Binding of Isaac: Rebirth Wiki
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{{bossesHeader}}
'''Bosses''' are very strong monsters found in [[Boss Room|boss rooms]] at the end of a floor. The boss at the end of the floor must be defeated in order to advance to the next floor. In later chapters, bosses are able to spawn as normal enemies. This starts in the caves, where the '''Gurglings''' are often encountered. The boss for a particular floor is chosen from the pool of bosses for the [[Chapters|environment]] of the floor. Bosses may also spawn as [[champion]]s, which can change various attributes such as health, damage, and attack pattern. Upon defeat, most bosses will drop an item from the boss [[Item Pool|item pool]].
 
   
  +
'''Bosses''' are very strong [[monsters]] found in [[Boss Room]]s at the end of a floor. The boss at the end of the floor must be defeated to advance to the next floor. In later chapters, many of these non-final bosses can spawn as degraded bosses, or normal [[enemy|enemies]]. The same can go for mini-bosses, which can spawn on later floors as degraded mini-bosses. However, some bosses and mini-bosses may not appear as degraded bosses at all. The boss for a particular floor is chosen from the pool of bosses for the [[chapter]]s of the floor. After defeating [[Satan]] for the first time, bosses may also spawn as [[champion]]s, which can change various attributes such as health, damage, and attack pattern. Upon defeat, most bosses will drop an item from the [[Boss (Item Pool)|Boss item pool]] as well as 1-2 [[Hearts]] of any kind.
Bosses boast additional resistances to status effects. For example, [[Effects#Fear Tears|fear]] occurs less often and the [[Night Light]] is unable to slow them down.
 
   
  +
Bosses boast additional resistances to [[status effect]]s. Once a boss has been inflicted with a status, they become immune to further ones for some time, lasting longer than the initial effect itself. Slowdown-causing items that require the enemy to stay within their area such as {{i|Night Light}} are nearly useless on bosses due to the immunity triggering from the first tick. On the other hand, whole-room slowdown and slowing creep, such as that from {{i|Stop Watch}} and {{i|Juicy Sack}}, ignore the immunity and affect bosses like normal enemies.
Additionally, some floors may spawn a room with a [[Bosses#All Mini-Bosses|Mini-Boss]].
 
   
  +
Additionally, some floors may spawn a room with a [[mini-boss]].
In total, there are 72 bosses and 18 mini-bosses. 10 bosses were added in [[The Binding of Isaac: Afterbirth|Afterbirth]] and 6 were added in [[Afterbirth †]].
 
{{clear}}
 
=Chapter 1=
 
===[[The Basement]]===
 
{| style="width:70%; align:left padding-right:2em"
 
| style="text-align: center; border: none" |[[File:Boss_Monstro.png|link=Monstro]]
 
| style="text-align: center; border: none" |[[File:Boss_Gemini.png|link=Gemini]]
 
| style="text-align: center; border: none" |[[File:Boss_Larry Jr..png|center|link=Larry Jr.]]
 
| style="text-align: center; border: none" |[[File:Boss_Dingle.png|center|link=Dingle]]
 
| style="text-align: center; border: none" |[[File:Boss_Gurglings.png|center|link=Gurglings]]
 
|-
 
| style="text-align: center; border: none" |[[Monstro]]
 
| style="text-align: center; border: none" |[[Gemini]]
 
| style="text-align: center; border: none" |[[Larry Jr.]]
 
| style="text-align: center; border:none" |[[Dingle]]
 
| style="text-align: center; border:none" |[[Gurglings]]
 
|}
 
{| style="width:70%; align:left padding-right:2em"
 
| style="text-align: center; border: none" |[[File:Boss_Steven.png|link=Steven]]
 
| style="text-align: center; border: none" |[[File:Boss_Dangle.png|center|link=Dangle]]
 
| style="text-align: center; border: none" |[[File:Boss_Turdlings.png|center|link=Turdlings]]
 
|-
 
| style="text-align: center; border:none" |[[Steven]] {{Unlockable}}
 
| style="text-align: center; border: none" |[[Dangle]] {{dlc|a}} {{Unlockable}}
 
| style="text-align: center; border: none" |[[Turdlings]] {{dlc|a}} {{Unlockable}}
 
|}
 
===[[The Cellar]]===
 
{| style="width:70%; align:left padding-right:2em"
 
| style="text-align: center; border: none" |[[File:Boss_Pin.png|link=Pin]]
 
| style="text-align: center; border: none" |[[File:Boss_Widow.png|center|link=Widow]]
 
| style="text-align: center; border: none" |[[File:Boss Blighted Ovum.png|center|link=Blighted Ovum]]
 
| style="text-align: center; border: none" |[[File:Boss_Fistula.png|center|link=Fistula]]
 
| style="text-align: center; border: none" |[[File:Boss_The_Haunt.png|center|link=The Haunt]]
 
|-
 
| style="text-align: center; border: none" |[[Pin]]
 
| style="text-align: center; border: none" |[[Widow]]
 
| style="text-align: center; border: none" |[[Blighted Ovum]]
 
| style="text-align: center; border: none" |[[Fistula]]
 
| style="text-align: center; border: none" |[[The Haunt]]
 
|}
 
===The Basement and The Cellar===
 
{| style="width:70%; align:left padding-right:2em"
 
| style="text-align: center; border: none" |[[File:Boss_The_Duke_of_Flies.png|center|link=The Duke of Flies]]
 
| style="text-align: center; border: none" |[[File:Boss_Famine.png|center|link=Famine]]
 
| style="text-align: center; border: none" |[[File:Boss_Rag_Man.png|center|link=Rag Man]]
 
| style="text-align: center; border: none" |[[File:Boss_Little_Horn.png|center|link=Little Horn]]
 
|-
 
| style="text-align: center; border: none" |[[The Duke of Flies]]
 
| style="text-align: center; border: none" |[[Famine]] {{Unlockable}}
 
| style="text-align: center; border: none" |[[Rag Man]] {{dlc|a}} {{Unlockable}}
 
| style="text-align: center; border: none" |[[Little Horn]] {{dlc|a}} {{Unlockable}}
 
|}
 
===[[Burning Basement]] {{dlc|a}}===
 
{| style="width:70%; align:left padding-right:2em"
 
| style="text-align: center; border: none" |[[File:Boss_Monstro.png|link=Monstro]]
 
| style="text-align: center; border: none" |[[File:Boss_Larry Jr..png|center|link=Larry Jr.]]
 
| style="text-align: center; border: none" |[[File:Boss_The_Duke_of_Flies.png|center|link=The Duke of Flies]]
 
| style="text-align: center; border: none" |[[File:Boss_The_Haunt.png|center|link=The Haunt]]
 
| style="text-align: center; border: none" |[[File:Boss_Famine.png|center|link=Famine]]
 
|-
 
| style="text-align: center; border: none" |[[Monstro]]
 
| style="text-align: center; border: none" |[[Larry Jr.]]
 
| style="text-align: center; border: none" |[[The Duke of Flies]]
 
| style="text-align: center; border: none" |[[The Haunt]]
 
| style="text-align: center; border: none" |[[Famine]] {{Unlockable}}
 
|-
 
{| style="width:70%; align:left padding-right:2em"
 
| style="text-align: center; border: none" |[[File:Boss_Rag_Man.png|center|link=Rag Man]]
 
| style="text-align: center; border: none" |[[File:Boss_Little_Horn.png|center|link=Little Horn]]
 
|-
 
| style="text-align: center; border: none" |[[Rag Man]] {{dlc|a}} {{Unlockable}}
 
| style="text-align: center; border: none" |[[Little Horn]] {{dlc|a}} {{Unlockable}}
 
|}
 
   
  +
In total, there are 102 bosses and 20 mini-bosses. 10 bosses were added in ''[[The Binding of Isaac: Afterbirth]]'', 6 were added in ''[[The Binding of Isaac: Afterbirth †]]'', and 30 bosses and 2 mini-bosses were added in ''[[The Binding of Isaac: Repentance]]''.
= Chapter 2 =
 
===[[The Caves]]===
 
{| style="width:70%; align:left padding-right:2em"
 
| style="text-align: center; border: none" |[[File:Boss_Chub.png|center|link=Chub]]
 
| style="text-align: center; border: none" |[[File:Boss_Gurdy.png|center|link=Gurdy]]
 
| style="text-align: center; border: none" |[[File:Boss_Mega_Maw.png|center|link=Mega Maw]]
 
| style="text-align: center; border: none" |[[File:Boss_Mega_Fatty.png|center|link=Mega Fatty]]
 
| style="text-align: center; border: none" |[[File:Boss_C.H.A.D..png|center|link=C.H.A.D.]]
 
|-
 
| style="text-align: center; border: none" |[[Chub]]
 
| style="text-align: center; border: none" |[[Gurdy]]
 
| style="text-align: center; border: none" |[[Mega Maw]]
 
| style="text-align: center; border: none" |[[Mega Fatty]]
 
| style="text-align: center; border: none" |[[C.H.A.D.]] {{Unlockable}}
 
|}
 
===[[The Catacombs]]===
 
{| style="width:70%; align:left padding-right:2em"
 
| style="text-align: center; border: none" |[[File:Boss_The_Hollow.png|center|link=The Hollow]]
 
| style="text-align: center; border: none" |[[File:Boss_The_Husk.png|center|link=The Husk]]
 
| style="text-align: center; border: none" |[[File:Boss_Dark_One.png|center|link=Dark One]]
 
| style="text-align: center; border: none" |[[File:Boss_Polycephalus.png|center|link=Polycephalus]]
 
|-
 
| style="text-align: center; border: none" |[[The Hollow]]
 
| style="text-align: center; border: none" |[[The Husk]]
 
| style="text-align: center; border: none" |[[Dark One]]
 
| style="text-align: center; border: none" |[[Polycephalus]]
 
|}
 
{| style="width:70%; align:left padding-right:2em"
 
| style="text-align: center; border: none" |[[File:Boss Carrion Queen.png|center|link=Carrion Queen]]
 
| style="text-align: center; border: none" |[[File:Boss_The Wretched.png|center|link=The Wretched]]
 
|-
 
| style="text-align: center; border: none" |[[Carrion Queen]]
 
| style="text-align: center; border: none" |[[The Wretched]]
 
|}
 
===The Caves and The Catacombs===
 
{| style="width:70%; align:left padding-right:2em"
 
| style="text-align: center; border: none" |[[File:Boss_Gurdy_Jr..png|link=Gurdy Jr.]]
 
| style="text-align: center; border: none" |[[File:Boss_Peep.png|center|link=Peep]]
 
| style="text-align: center; border: none" |[[File:Boss_Pestilence.png|center|link=Pestilence]]
 
| style="text-align: center; border: none" |[[File:Boss_The_Frail.png|center|link=The Frail]]
 
| style="text-align: center; border: none" |[[File:Boss_The_Stain.png|center|link=The Stain]]
 
|-
 
| style="text-align: center; border: none" |[[Gurdy Jr.]]
 
| style="text-align: center; border: none" |[[Peep]]
 
| style="text-align: center; border: none" |[[Pestilence]] {{Unlockable}}
 
| style="text-align: center; border: none" |[[The Frail]] {{dlc|a}} {{Unlockable}}
 
| style="text-align: center; border: none" |[[The Stain]] {{dlc|a}} {{Unlockable}}
 
|}
 
{| style="width:70%; align:left padding-right:2em"
 
| style="text-align: center; border: none" |[[File:Boss_The_Forsaken.png|center|link=The Forsaken]]
 
| style="text-align: center; border: none" |[[File:Boss Big Horn.png|center|link=Big Horn]]
 
| style="text-align: center; border: none" |[[File:Boss_Rag Mega.png|center|link=Rag Mega]]
 
|-
 
| style="text-align: center; border: none" |[[The Forsaken]] {{dlc|a}} {{Unlockable}}
 
| style="text-align: center; border: none" |[[Big Horn]] {{dlc|a+}} {{Unlockable}}
 
| style="text-align: center; border: none" |[[Rag Mega]] {{dlc|a+}} {{Unlockable}}
 
|}
 
====Double Trouble====
 
{| style="width:70%; align:left padding-right:2em"
 
| style="text-align: center; border: none" |[[File:Boss_Dingle.png|center|link=Dingle]]
 
| style="text-align: center; border: none" |[[File:Boss_The_Duke_of_Flies.png|center|link=The Duke of Flies]]
 
| style="text-align: center; border: none" |[[File:Boss_Gemini.png|link=Gemini]]
 
| style="text-align: center; border: none" |[[File:Boss_Widow.png|center|link=Widow]]
 
| style="text-align: center; border: none" |[[File:Boss_Pin.png|center|link=Pin]]
 
|-
 
| style="text-align: center; border: none" |(Double Trouble)
 
[[Dingle]]
 
| style="text-align: center; border: none" |(Double Trouble)
 
[[The Duke of Flies]]
 
| style="text-align: center; border: none" |(Double Trouble)
 
[[Gemini]]
 
| style="text-align: center; border: none" |(Double Trouble)
 
[[Widow]]
 
| style="text-align: center; border: none" |(Double Trouble)
 
[[Pin]]
 
|}
 
{| style="width:70%; align:left padding-right:2em"
 
| style="text-align: center; border: none" |[[File:Boss_Larry_Jr..png|center|link=Larry Jr.]]
 
| style="text-align: center; border: none" |[[File:Boss_Blighted_Ovum.png|center|link=Blighted Ovum]]
 
| style="text-align: center; border: none" |[[File:Boss_Monstro.png|link=Monstro]]
 
|-
 
| style="text-align: center; border: none" |(Double Trouble)
 
[[Larry Jr.]]
 
| style="text-align: center; border: none" |(Double Trouble)
 
[[Blighted Ovum]]
 
| style="text-align: center; border: none" |(Double Trouble)
 
[[Monstro]]
 
|}
 
===[[Flooded Caves]] {{dlc|a}}===
 
{| style="width:70%; align:left padding-right:2em"
 
| style="text-align: center; border: none" |[[File:Boss_Chub.png|center|link=Chub]]
 
| style="text-align: center; border: none" |[[File:Boss_C.H.A.D..png|center|link=C.H.A.D.]]
 
| style="text-align: center; border: none" |[[File:Boss_Gurdy_Jr..png|link=Gurdy Jr.]]
 
| style="text-align: center; border: none" |[[File:Boss_Gurdy.png|center|link=Gurdy]]
 
| style="text-align: center; border: none" |[[File:Boss_Polycephalus.png|center|link=Polycephalus]]
 
|-
 
| style="text-align: center; border: none" |[[Chub]]
 
| style="text-align: center; border: none" |[[C.H.A.D.]] {{Unlockable}}
 
| style="text-align: center; border: none" |[[Gurdy Jr.]]
 
| style="text-align: center; border: none" |[[Gurdy]]
 
| style="text-align: center; border: none" |[[Polycephalus]]
 
|}
 
{| style="width:70%; align:left padding-right:2em"
 
| style="text-align: center; border: none" |[[File:Boss_Pestilence.png|center|link=Pestilence]]
 
| style="text-align: center; border: none" |[[File:Boss_The_Stain.png|center|link=The Stain]]
 
| style="text-align: center; border: none" |[[File:Boss_The_Frail.png|center|link=The Frail]]
 
| style="text-align: center; border: none" |[[File:Boss_The_Forsaken.png|center|link=The Forsaken]]
 
|-
 
| style="text-align: center; border: none" |[[Pestilence]] {{Unlockable}}
 
| style="text-align: center; border: none" |[[The Stain]] {{dlc|a}} {{Unlockable}}
 
| style="text-align: center; border: none" |[[The Frail]] {{dlc|a}} {{Unlockable}}
 
| style="text-align: center; border: none" |[[The Forsaken]] {{dlc|a}} {{Unlockable}}
 
|}
 
{| style="width:70%; align:left padding-right:2em"
 
| style="text-align: center; border: none" |[[File:Boss Big Horn.png|center|link=Big Horn]]
 
| style="text-align: center; border: none" |[[File:Boss_Rag Mega.png|center|link=Rag Mega]]
 
|-
 
| style="text-align: center; border: none" |[[Big Horn]] {{dlc|a+}} {{Unlockable}}
 
| style="text-align: center; border: none" |[[Rag Mega]] {{dlc|a+}} {{Unlockable}}
 
|}
 
   
  +
== Gallery ==
=Chapter 3=
 
  +
<gallery>
===Floor 1===
 
  +
File:Boss_Concepts.jpg| Concept art for a few bosses.
===[[The Depths]]===
 
  +
File:MiniBosses_Gurdy.jpg| Mini-boss concept art.
{| style="width:70%; align:left padding-right:2em"
 
  +
</gallery>
| style="text-align: center; border: none" |[[File:Boss_The_Cage.png|center|link=The Cage]]
 
| style="text-align: center; border: none" |[[File:Boss_Monstro_II.png|center|link=Monstro II]]
 
| style="text-align: center; border: none" |[[File:Boss_Gish.png|center|link=Gish]]
 
|-
 
| style="text-align: center; border: none" |[[The Cage]]
 
| style="text-align: center; border: none" |[[Monstro II]]
 
| style="text-align: center; border: none" |[[Gish]] {{Unlockable}}
 
|}
 
===[[Necropolis]]===
 
{| style="width:70%; align:left padding-right:2em"
 
| style="text-align: center; border: none" |[[File:Boss_The_Bloat.png|center|link=The Bloat]]
 
| style="text-align: center; border: none" |[[File:Boss_Mask of Infamy.png|center|link=Mask of Infamy]]
 
|-
 
| style="text-align: center; border: none" |[[The Bloat]]
 
| style="text-align: center; border: none" |[[Mask of Infamy]]
 
|}
 
===The Depths and Necropolis===
 
{| style="width:70%; align:left padding-right:2em"
 
| style="text-align: center; border: none" |[[File:Boss_Loki.png|center|link=Loki]]
 
| style="text-align: center; border: none" |[[File:Boss_The_Gate.png|center|link=The Gate]]
 
| style="text-align: center; border: none" |[[File:Boss_The_Adversary.png|center|link=The Adversary]]
 
| style="text-align: center; border: none" |[[File:Boss_War.png|center|link=War]]
 
|-
 
| style="text-align: center; border: none" |[[Loki]]
 
| style="text-align: center; border: none" |[[The Gate]]
 
| style="text-align: center; border: none" |[[The Adversary]]
 
| style="text-align: center; border: none" |[[War]] {{Unlockable}}
 
|}
 
{| style="width:70%; align:left padding-right:2em"
 
| style="text-align: center; border: none" |[[File:Boss_Brownie.png|center|link=Brownie]]
 
| style="text-align: center; border: none" |[[File:Boss Sisters Vis.png|center|link=Sisters Vis]]
 
|-
 
| style="text-align: center; border: none" |[[Brownie]] {{dlc|a}} {{Unlockable}}
 
| style="text-align: center; border: none" |[[Sisters Vis]] {{dlc|a+}} {{Unlockable}}
 
|}
 
====Double Trouble ====
 
{| style="width:70%; align:left padding-right:2em"
 
| style="text-align: center; border: none" |[[File:Boss_Gurdy_Jr..png|center|link=Gurdy Jr.]]
 
| style="text-align: center; border: none" |[[File:Boss The Haunt.png|center|The Haunt]]
 
| style="text-align: center; border: none" |[[File:Boss_The Wretched.png|center|link=The Wretched]]
 
| style="text-align: center; border: none" |[[File:Boss_The Husk.png|center|link=The Husk]]
 
|-
 
| style="text-align: center; border: none" |(Double Trouble)
 
[[Gurdy Jr.]]
 
| style="text-align: center; border: none" |(Double Trouble)
 
[[The Haunt]]
 
| style="text-align: center; border: none" |(Double Trouble)
 
[[The Wretched]]
 
| style="text-align: center; border: none" |(Double Trouble)
 
[[The Husk]]
 
|}
 
{| style="width:70%; align:left padding-right:2em"
 
| style="text-align: center; border: none" |[[File:Boss_Peep.png|center|link=Peep]]
 
| style="text-align: center; border: none" |[[File:Boss_Mega_Fatty.png|center|link=Mega Fatty]]
 
| style="text-align: center; border: none" |[[File:Boss_Dark_One.png|center|link=Dark One]]
 
|-
 
| style="text-align: center; border: none" |(Double Trouble)
 
[[Peep]]
 
| style="text-align: center; border: none" |(Double Trouble)
 
[[Mega Fatty]]
 
| style="text-align: center; border: none" |(Double Trouble)
 
[[Dark One]]
 
|}
 
{| style="width:70%; align:left padding-right:2em"
 
| style="text-align: center; border: none" |[[File:Boss_Mega_Maw.png|center|link=Mega Maw]]
 
| style="text-align: center; border: none" |[[File:Boss_Larry_Jr..png|center|link=Larry Jr.]]
 
| style="text-align: center; border: none" |[[File:Boss Blighted Ovum.png|center|link=Blighted Ovum]]
 
|-
 
| style="text-align: center; border: none" |(Double Trouble)
 
[[Mega Maw]]
 
| style="text-align: center; border: none" |(Double Trouble)
 
[[Larry Jr.]]
 
| style="text-align: center; border: none" |(Double Trouble)
 
[[Blighted Ovum]]
 
|}
 
===[[Dank Depths]] {{dlc|a}}===
 
{| style="width:70%; align:left padding-right:2em"
 
| style="text-align: center; border: none" |[[File:Boss_Monstro_II.png|center|link=Monstro II]]
 
| style="text-align: center; border: none" |[[File:Boss_Gish.png|center|link=Gish]]
 
| style="text-align: center; border: none" |[[File:Boss_The_Adversary.png|center|link=The Adversary]]
 
| style="text-align: center; border: none" |[[File:Boss_Loki.png|center|link=Loki]]
 
| style="text-align: center; border: none" |[[File:Boss_War.png|center|link=War]]
 
|-
 
| style="text-align: center; border: none" |[[Monstro II]]
 
| style="text-align: center; border: none" |[[Gish]] {{Unlockable}}
 
| style="text-align: center; border: none" |[[The Adversary]]
 
| style="text-align: center; border: none" |[[Loki]]
 
| style="text-align: center; border: none" |[[War]] {{Unlockable}}
 
|}
 
{| style="width:70%; align:left padding-right:2em"
 
| style="text-align: center; border: none" |[[File:Boss_Brownie.png|center|link=Brownie]]
 
| style="text-align: center; border: none" |[[File:Boss Sisters Vis.png|center|link=Sisters Vis]]
 
|-
 
| style="text-align: center; border: none" |[[Brownie]] {{dlc|a}} {{Unlockable}}
 
| style="text-align: center; border: none" |[[Sisters Vis]] {{dlc|a+}} {{Unlockable}}
 
|}
 
===Floor 2===
 
===The Depths, Necropolis and Dank Depths===
 
{| style="width:70%; align:left padding-right:2em"
 
| style="text-align: center; border: none" |[[File:Boss_Mom.png|center|link=Mom]]
 
|-
 
| style="text-align: center; border: none" |[[Mom]]
 
|}
 
   
=Chapter 4=
 
===Floor 1===
 
===[[The Womb]]===
 
{| style="width:70%; align:left padding-right:2em"
 
| style="text-align: center; border: none" |[[File:Boss_Scolex.png|center|link=Scolex]]
 
|-
 
| style="text-align: center; border: none" |[[Scolex]]
 
|}
 
===The Womb and Utero===
 
{| style="width:70%; align:left padding-right:2em"
 
| style="text-align: center; border: none" |[[File:Boss_Teratoma.png|center|link=Teratoma]]
 
| style="text-align: center; border: none" |[[File:Boss_Mr._Fred.png|center|link=Mr. Fred]]
 
| style="text-align: center; border: none" |[[File:Boss_Blastocyst.png|center|link=Blastocyst]]
 
| style="text-align: center; border: none" |[[File:Boss_The_Bloat.png|center|link=The Bloat]]
 
| style="text-align: center; border: none" |[[File:Boss_Daddy_Long_Legs.png|center|link=Daddy_Long_Legs]]
 
|-
 
| style="text-align: center; border: none" |[[Teratoma]]
 
| style="text-align: center; border: none" |[[Mr. Fred]]
 
| style="text-align: center; border: none" |[[Blastocyst]]
 
| style="text-align: center; border: none" |[[The Bloat]]
 
| style="text-align: center; border: none" |[[Daddy Long Legs]]
 
|}
 
{| style="width:70%; align:left padding-right:2em"
 
| style="text-align: center; border: none" |[[File:Boss_Lokii.png|center|link=Lokii]]
 
| style="text-align: center; border: none" |[[File:Boss_Mama_Gurdy.png|center|link=Mama Gurdy]]
 
| style="text-align: center; border: none" |[[File:Boss_Triachnid.png|center|link=Triachnid]]
 
| style="text-align: center; border: none" |[[File:Boss_Death.png|center|link=Death (Boss)]]
 
| style="text-align: center; border: none" |[[File:Boss_Conquest.png|center|link=Conquest]]
 
|-
 
| style="text-align: center; border: none" |[[Lokii]]
 
| style="text-align: center; border: none" |[[Mama Gurdy]]
 
| style="text-align: center; border: none" |[[Triachnid]] {{Unlockable}}
 
| style="text-align: center; border: none" |[[Death (Boss)|Death]] {{Unlockable}}
 
| style="text-align: center; border: none" |[[Conquest]] {{Unlockable}}
 
|}
 
{| style="width:70%; align:left padding-right:2em"
 
| style="text-align: center; border: none" |[[File:Boss Sisters Vis.png|center|link=Sisters Vis]]
 
| style="text-align: center; border: none" |[[File:Boss_The_Matriarch.png|center|link=The Matriarch]]
 
|-
 
| style="text-align: center; border: none" |[[Sisters Vis]] {{dlc|a+}} {{Unlockable}}
 
| style="text-align: center; border: none" |[[The Matriarch]] {{dlc|a+}} {{Unlockable}}
 
|}
 
====Double Trouble====
 
{| style="width:70%; align:left padding-right:2em"
 
| style="text-align: center; border: none" |[[File:Boss_The_Cage.png|center|link=The Cage]]
 
| style="text-align: center; border: none" |[[File:Boss_Gurdy.png|center|link=Gurdy]]
 
| style="text-align: center; border: none" |[[File:Boss_The_Fallen.png|center|link=The Fallen]]
 
| style="text-align: center; border: none" |[[File:Boss_The_Gate.png|center|link=The Gate]]
 
| style="text-align: center; border: none" |[[File:Boss_Loki.png|center|link=Loki]]
 
|-
 
| style="text-align: center; border: none" |(Double Trouble)
 
[[The Cage]]
 
| style="text-align: center; border: none" |(Double Trouble)
 
[[Gurdy]]
 
| style="text-align: center; border: none" |(Double Trouble)
 
[[The Fallen]]
 
| style="text-align: center; border: none" |(Double Trouble)
 
[[The Gate]]
 
| style="text-align: center; border: none" |(Double Trouble)
 
[[Loki]]
 
|}
 
===[[Scarred Womb]]===
 
{| style="width:70%; align:left padding-right:2em"
 
| style="text-align: center; border: none" |[[File:Boss_Blastocyst.png|center|link=Blastocyst]]
 
| style="text-align: center; border: none" |[[File:Boss_The_Bloat.png|center|link=The Bloat]]
 
| style="text-align: center; border: none" |[[File:Boss_Daddy_Long_Legs.png|center|link=Daddy_Long_Legs]]
 
| style="text-align: center; border: none" |[[File:Boss_Triachnid.png|center|link=Triachnid]]
 
| style="text-align: center; border: none" |[[File:Boss_Mama_Gurdy.png|center|link=Mama Gurdy]]
 
|-
 
| style="text-align: center; border: none" |[[Blastocyst]]
 
| style="text-align: center; border: none" |[[The Bloat]]
 
| style="text-align: center; border: none" |[[Daddy Long Legs]]
 
| style="text-align: center; border: none" |[[Triachnid]] {{Unlockable}}
 
| style="text-align: center; border: none" |[[Mama Gurdy]]
 
|}
 
{| style="width:70%; align:left padding-right:2em"
 
| style="text-align: center; border: none" |[[File:Boss_Teratoma.png|center|link=Teratoma]]
 
| style="text-align: center; border: none" |[[File:Boss_Scolex.png|center|link=Scolex]]
 
| style="text-align: center; border: none" |[[File:Boss_Death.png|center|link=Death (Boss)]]
 
| style="text-align: center; border: none" |[[File:Boss_Conquest.png|center|link=Conquest]]
 
|-
 
| style="text-align: center; border: none" |[[Teratoma]]
 
| style="text-align: center; border: none" |[[Scolex]]
 
| style="text-align: center; border: none" |[[Death (Boss)|Death]] {{Unlockable}}
 
| style="text-align: center; border: none" |[[Conquest]] {{Unlockable}}
 
|}
 
{| style="width:70%; align:left padding-right:2em"
 
| style="text-align: center; border: none" |[[File:Boss Sisters Vis.png|center|link=Sisters Vis]]
 
| style="text-align: center; border: none" |[[File:Boss_The_Matriarch.png|center|link=The Matriarch]]
 
|-
 
| style="text-align: center; border: none" |[[Sisters Vis]] {{dlc|a+}} {{Unlockable}}
 
| style="text-align: center; border: none" |[[The Matriarch]] {{dlc|a+}} {{Unlockable}}
 
|}
 
===Floor 2===
 
===The Womb, Utero and Scarred Womb===
 
{| style="width:70%; align:left padding-right:2em"
 
| style="text-align: center; border: none" |[[File:Boss_Mom's_Heart.png|center|link=Mom's Heart]]
 
| style="text-align: center; border: none" |[[File:Boss_It_Lives.png|center|link=It Lives]]
 
|-
 
| style="text-align: center; border: none" |[[Mom's Heart]]
 
| style="text-align: center; border: none" |[[It Lives]] {{Unlockable}}
 
|}
 
 
=Chapter 5=
 
===[[Sheol]]===
 
{| style="width:70%; align:left padding-right:2em"
 
| style="text-align: center; border: none" |[[File:Boss_Satan.png|center|link=Satan]]
 
|-
 
| style="text-align: center; border: none" |[[Satan]]
 
|}
 
===[[The Cathedral]]===
 
{| style="width:70%; align:left padding-right:2em"
 
| style="text-align: center; border: none" |[[File:Boss_Isaac_(Boss).png|center|link=Isaac (Boss)]]
 
|-
 
| style="text-align: center; border: none" |[[Isaac (Boss)|Isaac]]
 
|}
 
=Chapter 6=
 
===[[The Chest]]===
 
{| style="width:70%; align:left padding-right:2em"
 
| style="text-align: center; border: none" |[[File:Boss_Blue_Baby.png |center|link=??? (Boss)|???]]
 
|-
 
| style="text-align: center; border: none" |[[??? (Boss)|???]]
 
|}
 
===[[Dark Room]]===
 
{| style="width:70%; align:right padding-left:2em"
 
| style="text-align: center; border: none" |[[File:Boss The Lamb.png|center|link=The Lamb]]
 
|-
 
| style="text-align: center; border: none" |[[The Lamb]]
 
|}
 
===Golden Door Boss===
 
{| style="width:70%; align:left padding-right:2em"
 
| style="text-align: center; border: none" |[[File:Boss_Mega_Satan.png|center|link=Mega Satan]]
 
|-
 
| style="text-align: center; border: none" |[[Mega Satan]]
 
|}
 
=[[Blue Womb]] {{dlc|a}}=
 
{| style="width:70%; align:left padding-right:2em"
 
| style="text-align: center; border: none" |[[File:Boss_Hush.png|center|link=Hush]]
 
|-
 
| style="text-align: center; border: none" |[[Hush]] {{dlc|a}}
 
|}
 
=[[The Void]] {{dlc|a+}}=
 
{| style="width:70%; align:left padding-right:2em"
 
| style="text-align: center; border: none" |[[File:Boss_Delirium.png|center|link=Delirium]]
 
|-
 
| style="text-align: center; border: none" |[[Delirium]] {{dlc|a+}}
 
|}
 
=Universal=
 
Universal Bosses are those which may appear at the end of floors 1-5 and 7, replacing a boss from the pool for that environment.
 
{| style="width:70%; align:left padding-right:2em"
 
| style="text-align: center; border: none" |[[File:Boss_The_Fallen.png|center|link=The Fallen]]
 
| style="text-align: center; border: none" |[[File:Boss_The_Headless_Horseman.png|center|link=The Headless Horseman]]
 
|-
 
| style="text-align: center; border: none" |[[The Fallen]]
 
| style="text-align: center; border: none" |[[The Headless Horseman]] {{Unlockable}}
 
|}
 
 
=Devil and Angel Room {{Unlockable}}=
 
===[[Devil Room]]===
 
{| style="width:70%; align:left padding-right:2em"
 
| style="text-align: center; border: none" |[[File:Boss_Krampus.png|center|link=Krampus]]
 
|-
 
| style="text-align: center; border: none" |[[Krampus]]
 
|}
 
===[[Angel Room]]===
 
{| style="width:70%; align:left padding-right:2em"
 
| style="text-align: center; border: none" |[[File:Boss_Angel.png|center|link=Angel#Uriel]]
 
| style="text-align: center; border: none" |[[File:Boss_Angel2.png|center|link=Angel#Gabriel]]
 
|-
 
| style="text-align: center; border: none" |[[Angel#Uriel|Uriel]]
 
| style="text-align: center; border: none" |[[Angel#Gabriel|Gabriel]]
 
|}
 
 
=Seven Deadly Sins and Others=
 
==Seven Deadly Sins==
 
The Seven Deadly Sins are mini-bosses that can be encountered on any floor in their respective Mini-Boss rooms outside of The Chest and Dark Room. Unlike with regular bosses, there is no special door leading to a mini-boss room, meaning that there is no way to tell whether a room is inhabited by a mini-boss unless the player is in possession of an item that reveals map icons such as [[The Compass|Compass]] or a Map item. Once in a mini-boss room, the player cannot escape through means of bombing the door, as it will be boarded off.<br>
 
 
Each of the Sins has specific drops, that are consumables or a pedestal item (less frequently).<br>
 
In a room containing multiple Sins, only the last one will drop something, allowing you to choose what drop you want by killing a certain mini-boss last.
 
 
All them are based on the [http://en.wikipedia.org/wiki/Seven_deadly_sins Seven Deadly Sins].
 
 
{| style="width:70%; align:left padding-right:2em"
 
| style="text-align: center; border: none" |[[File:Boss_Envy.png|64px|center|link=Envy]]
 
| style="text-align: center; border: none" |[[File:Boss_Gluttony.png|64px|center|link=Gluttony]]
 
| style="text-align: center; border: none" |[[File:Boss_Wrath.png|64px|center|link=Wrath]]
 
|-
 
| style="text-align: center; border: none" |[[Envy]]
 
| style="text-align: center; border: none" |[[Gluttony]]
 
| style="text-align: center; border: none" |[[Wrath]]
 
|}
 
{| style="width:70%; align:left padding-right:2em"
 
| style="text-align: center; border: none" |[[File:Boss_Pride.png|64px|center|link=Pride]]
 
| style="text-align: center; border: none" |[[File:Boss_Lust.png|64px|center|link=Lust]]
 
| style="text-align: center; border: none" |[[File:Boss_Greed.png|64px|center|link=Greed]]
 
|-
 
| style="text-align: center; border: none" |[[Pride]]
 
| style="text-align: center; border: none" |[[Lust]]
 
| style="text-align: center; border: none" |[[Greed]]
 
|}
 
{| style="width:70%; align:left padding-right:2em"
 
| style="text-align: center; border: none" |[[File:Boss_Sloth.png|64px|center|link=Sloth]]
 
|-
 
| style="text-align: center; border: none" |[[Sloth]]
 
|}
 
 
These monsters can also spawn as much stronger alternatives, known as the Seven Super Deadly Sins.
 
 
{| style="width:70%; align:left padding-right:2em"
 
| style="text-align: center; border: none" |[[File:Boss_Super_Envy.png|center|link=Super Envy]]
 
| style="text-align: center; border: none" |[[File:Boss_Super_Gluttony.png|center|link=Super Gluttony]]
 
| style="text-align: center; border: none" |[[File:Boss_Super_Wrath.png|center|link=Super Wrath]]
 
|-
 
| style="text-align: center; border: none" |[[Super Envy]]
 
| style="text-align: center; border: none" |[[Super Gluttony]]
 
| style="text-align: center; border: none" |[[Super Wrath]]
 
|}
 
{| style="width:70%; align:left padding-right:2em"
 
| style="text-align: center; border: none" |[[File:Boss_Super_Pride.png|center|link=Super Pride]]
 
| style="text-align: center; border: none" |[[File:Boss_Super_Lust.png|center|link=Super Lust]]
 
| style="text-align: center; border: none" |[[File:Boss_Super_Greed.png|center|link=Super Greed]]
 
|-
 
| style="text-align: center; border: none" |[[Super Pride]]
 
| style="text-align: center; border: none" |[[Super Lust]]
 
| style="text-align: center; border: none" |[[Super Greed]]
 
|}
 
{| style="width:70%; align:left padding-right:2em"
 
| style="text-align: center; border: none" |[[File:Boss_Super_Sloth.png|center|link=Super Sloth]]
 
|-
 
| style="text-align: center; border: none" |[[Super Sloth]]
 
|}
 
 
There is also an Ultra variant of both Pride and Greed. Ultra Pride resembles Edmund and Florian, while Ultra Greed serves as the final boss for [[Greed Mode]].
 
 
{| style="width:70%; align:left padding-right:2em"
 
| style="text-align: center; border: none" |[[File:Boss_Ultra_Pride.png|center|link=Ultra Pride]]
 
|-
 
| style="text-align: center; border: none" |[[Ultra Pride]]
 
|}
 
 
=Greed Mode {{dlc|a}}=
 
===[[Greed Mode]]===
 
{| style="width:70%; align:left padding-right:2em"
 
| style="text-align: center; border: none" |[[File:Boss_Ultra_Greed.png|center|link=Ultra Greed]]
 
|-
 
| style="text-align: center; border: none" |[[Ultra Greed]] {{dlc|a}}
 
|}
 
===[[Greedier Mode]]===
 
{| style="width:70%; align:left padding-right:2em"
 
| style="text-align: center; border: none" |[[File:Boss_Ultra_Greedier.png|center|link=Ultra Greedier]]
 
|-
 
| style="text-align: center; border: none" |[[Ultra Greedier]] {{dlc|a+}}
 
|}
 
=All Mini-Bosses=
 
===The Seven Deadly Sins===
 
{| style="width:70%; align:left padding-right:2em"
 
| style="text-align: center; border: none" |[[File:Boss_Envy.png|center|link=Envy]]
 
| style="text-align: center; border: none" |[[File:Boss_Gluttony.png|center|link=Gluttony]]
 
| style="text-align: center; border: none" |[[File:Boss_Wrath.png|center|link=Wrath]]
 
|-
 
| style="text-align: center; border: none" |[[Envy]]
 
| style="text-align: center; border: none" |[[Gluttony]]
 
| style="text-align: center; border: none" |[[Wrath]]
 
|}
 
{| style="width:70%; align:left padding-right:2em"
 
| style="text-align: center; border: none" |[[File:Boss_Pride.png|center|link=Pride]]
 
| style="text-align: center; border: none" |[[File:Boss_Lust.png|center|link=Lust]]
 
| style="text-align: center; border: none" |[[File:Boss_Greed.png|center|link=Greed]]
 
|-
 
| style="text-align: center; border: none" |[[Pride]]
 
| style="text-align: center; border: none" |[[Lust]]
 
| style="text-align: center; border: none" |[[Greed]]
 
|}
 
{| style="width:70%; align:left padding-right:2em"
 
| style="text-align: center; border: none" |[[File:Boss_Sloth.png|center|link=Sloth]]
 
|-
 
| style="text-align: center; border: none" |[[Sloth]]
 
|}
 
===The Seven Super Deadly Sins===
 
{| style="width:70%; align:left padding-right:2em"
 
| style="text-align: center; border: none" |[[File:Boss_Super_Envy.png|center|link=Super Envy]]
 
| style="text-align: center; border: none" |[[File:Boss_Super_Gluttony.png|center|link=Super Gluttony]]
 
| style="text-align: center; border: none" |[[File:Boss_Super_Wrath.png|center|link=Super Wrath]]
 
|-
 
| style="text-align: center; border: none" |[[Super Envy]]
 
| style="text-align: center; border: none" |[[Super Gluttony]]
 
| style="text-align: center; border: none" |[[Super Wrath]]
 
|}
 
{| style="width:70%; align:left padding-right:2em"
 
| style="text-align: center; border: none" |[[File:Boss_Super_Pride.png|center|link=Super Pride]]
 
| style="text-align: center; border: none" |[[File:Boss_Super_Lust.png|center|link=Super Lust]]
 
| style="text-align: center; border: none" |[[File:Boss_Super_Greed.png|center|link=Super Greed]]
 
|-
 
| style="text-align: center; border: none" |[[Super Pride]]
 
| style="text-align: center; border: none" |[[Super Lust]]
 
| style="text-align: center; border: none" |[[Super Greed]]
 
|}
 
{| style="width:70%; align:left padding-right:2em"
 
| style="text-align: center; border: none" |[[File:Boss_Super_Sloth.png|center|link=Super Sloth]]
 
|-
 
| style="text-align: center; border: none" |[[Super Sloth]]
 
|}
 
===Ultra Pride===
 
{| style="width:70%; align:left padding-right:2em"
 
| style="text-align: center; border: none" |[[File:Boss_Ultra_Pride.png|center|link=Ultra Pride]]
 
|-
 
| style="text-align: center; border: none" |[[Ultra Pride]]
 
|}
 
===Krampus {{Unlockable}}===
 
{| style="width:70%; align:left padding-right:2em"
 
| style="text-align: center; border: none" |[[File:Boss_Krampus.png|center|link=Krampus]]
 
|-
 
| style="text-align: center; border: none" |[[Krampus]]
 
|}
 
===Angels {{Unlockable}}===
 
{| style="width:70%; align:left padding-right:2em"
 
| style="text-align: center; border: none" |[[File:Boss_Angel.png|center|link=Angel#Uriel]]
 
| style="text-align: center; border: none" |[[File:Boss_Angel2.png|center|link=Angel#Gabriel]]
 
|-
 
| style="text-align: center; border: none" |[[Angel#Uriel|Uriel]]
 
| style="text-align: center; border: none" |[[Angel#Gabriel|Gabriel]]
 
|}
 
 
=All Bosses=
 
{| style="width:70%; align:left padding-right:2em"
 
| style="text-align: center; border: none" |[[File:Boss_Monstro.png|link=Monstro]]
 
| style="text-align: center; border: none" |[[File:Boss_Gemini.png|link=Gemini]]
 
| style="text-align: center; border: none" |[[File:Boss_Larry Jr..png|center|link=Larry Jr.]]
 
|-
 
| style="text-align: center; border: none" |[[Monstro]]
 
| style="text-align: center; border: none" |[[Gemini]]
 
| style="text-align: center; border: none" |[[Larry Jr.]]
 
|}
 
{| style="width:70%; align:left padding-right:2em"
 
| style="text-align: center; border: none" |[[File:Boss_Dingle.png|center|link=Dingle]]
 
| style="text-align: center; border: none" |[[File:Boss_Gurglings.png|center|link=Gurglings]]
 
| style="text-align: center; border: none" |[[File:Boss_Steven.png|link=Steven]]
 
|-
 
| style="text-align: center; border: none" |[[Dingle]]
 
| style="text-align: center; border: none" |[[Gurglings]]
 
| style="text-align: center; border: none" |[[Steven]] {{Unlockable}}
 
|}
 
{| style="width:70%; align:left padding-right:2em"
 
| style="text-align: center; border: none" |[[File:Boss_Pin.png|link=Pin]]
 
| style="text-align: center; border: none" |[[File:Boss_Widow.png|center|link=Widow]]
 
| style="text-align: center; border: none" |[[File:Boss Blighted Ovum.png|center|link=Blighted Ovum]]
 
|-
 
| style="text-align: center; border: none" |[[Pin]]
 
| style="text-align: center; border: none" |[[Widow]]
 
| style="text-align: center; border: none" |[[Blighted Ovum]]
 
|}
 
{| style="width:70%; align:left padding-right:2em"
 
| style="text-align: center; border: none" |[[File:Boss_Fistula.png|center|link=Fistula]]
 
| style="text-align: center; border: none" |[[File:Boss_The_Haunt.png|center|link=The Haunt]]
 
|-
 
| style="text-align: center; border: none" |[[Fistula]]
 
| style="text-align: center; border: none" |[[The Haunt]]
 
|}
 
{| style="width:70%; align:left padding-right:2em"
 
| style="text-align: center; border: none" |[[File:Boss_The_Duke_of_Flies.png|center|link=The Duke of Flies]]
 
| style="text-align: center; border: none" |[[File:Boss_Rag_Man.png|center|link=Rag Man]]
 
| style="text-align: center; border: none" |[[File:Boss_Little_Horn.png|center|link=Little Horn]]
 
|-
 
| style="text-align: center; border: none" |[[The Duke of Flies]]
 
| style="text-align: center; border: none" |[[Rag Man]] {{dlc|a}} {{Unlockable}}
 
| style="text-align: center; border: none" |[[Little Horn]] {{dlc|a}} {{Unlockable}}
 
|}
 
{| style="width:70%; align:left padding-right:2em"
 
| style="text-align: center; border: none" |[[File:Boss_Dangle.png|center|link=Dangle]]
 
| style="text-align: center; border: none" |[[File:Boss_Turdlings.png|center|link=Turdlings]]
 
| style="text-align: center; border: none" |[[File:Boss_Chub.png|center|link=Chub]]
 
|-
 
| style="text-align: center; border: none" |[[Dangle]] {{dlc|a}} {{Unlockable}}
 
| style="text-align: center; border: none" |[[Turdlings]] {{dlc|a}} {{Unlockable}}
 
| style="text-align: center; border: none" |[[Chub]]
 
|}
 
{| style="width:70%; align:left padding-right:2em"
 
| style="text-align: center; border: none" |[[File:Boss_Gurdy_Jr..png|link=Gurdy Jr.]]
 
| style="text-align: center; border: none" |[[File:Boss_Gurdy.png|center|link=Gurdy]]
 
| style="text-align: center; border: none" |[[File:Boss_Mega_Maw.png|center|link=Mega Maw]]
 
| style="text-align: center; border: none" |[[File:Boss_C.H.A.D..png|center|link=C.H.A.D.]]
 
|-
 
| style="text-align: center; border: none" |[[Gurdy Jr.]]
 
| style="text-align: center; border: none" |[[Gurdy]]
 
| style="text-align: center; border: none" |[[Mega Maw]]
 
| style="text-align: center; border: none" |[[C.H.A.D.]] {{Unlockable}}
 
|}
 
{| style="width:70%; align:left padding-right:2em"
 
| style="text-align: center; border: none" |[[File:Boss_Mega_Fatty.png|center|link=Mega Fatty]]
 
| style="text-align: center; border: none" |[[File:Boss_The_Hollow.png|center|link=The Hollow]]
 
| style="text-align: center; border: none" |[[File:Boss_The_Husk.png|center|link=The Husk]]
 
|-
 
| style="text-align: center; border: none" |[[Mega Fatty]]
 
| style="text-align: center; border: none" |[[The Hollow]]
 
| style="text-align: center; border: none" |[[The Husk]]
 
|}
 
{| style="width:70%; align:left padding-right:2em"
 
| style="text-align: center; border: none" |[[File:Boss_Dark_One.png|center|link=Dark One]]
 
| style="text-align: center; border: none" |[[File:Boss_Polycephalus.png|center|link=Polycephalus]]
 
| style="text-align: center; border: none" |[[File:Boss_The_Frail.png|center|link=The Frail]]
 
|-
 
| style="text-align: center; border: none" |[[Dark One]]
 
| style="text-align: center; border: none" |[[Polycephalus]]
 
| style="text-align: center; border: none" |[[The Frail]] {{dlc|a}} {{Unlockable}}
 
|}
 
{| style="width:70%; align:left padding-right:2em"
 
| style="text-align: center; border: none" |[[File:Boss_The_Stain.png|center|link=The Stain]]
 
| style="text-align: center; border: none" |[[File:Boss_The_Forsaken.png|center|link=The Forsaken]]
 
| style="text-align: center; border: none" |[[File:Boss Carrion Queen.png|center|link=Carrion Queen]]
 
|-
 
| style="text-align: center; border: none" |[[The Stain]] {{dlc|a}} {{Unlockable}}
 
| style="text-align: center; border: none" |[[The Forsaken]] {{dlc|a}} {{Unlockable}}
 
| style="text-align: center; border: none" |[[Carrion Queen]]
 
|}
 
{| style="width:70%; align:left padding-right:2em"
 
| style="text-align: center; border: none" |[[File:Boss_The Wretched.png|center|link=The Wretched]]
 
| style="text-align: center; border: none" |[[File:Boss_Peep.png|center|link=Peep]]
 
| style="text-align: center; border: none" |[[File:Boss_Big_Horn.png|center|link=Big Horn]]
 
|-
 
| style="text-align: center; border: none" |[[The Wretched]]
 
| style="text-align: center; border: none" |[[Peep]]
 
| style="text-align: center; border: none" |[[Big Horn]] {{dlc|a+}} {{Unlockable}}
 
|}
 
{| style="width:70%; align:left padding-right:2em"
 
| style="text-align: center; border: none" |[[File:Boss_Rag_Mega.png|center|link=Rag Mega]]
 
| style="text-align: center; border: none" |[[File:Boss_The_Cage.png|center|link=The Cage]]
 
| style="text-align: center; border: none" |[[File:Boss_Loki.png|center|link=Loki]]
 
|-
 
| style="text-align: center; border: none" |[[Rag Mega]] {{dlc|a+}} {{Unlockable}}
 
| style="text-align: center; border: none" |[[The Cage]]
 
| style="text-align: center; border: none" |[[Loki]]
 
|}
 
{| style="width:70%; align:left padding-right:2em"
 
| style="text-align: center; border: none" |[[File:Boss_Monstro_II.png|center|link=Monstro II]]
 
| style="text-align: center; border: none" |[[File:Boss_Gish.png|center|link=Gish]]
 
| style="text-align: center; border: none" |[[File:Boss_The_Gate.png|center|link=The_Gate]]
 
|-
 
| style="text-align: center; border: none" |[[Monstro II]]
 
| style="text-align: center; border: none" |[[Gish]] {{Unlockable}}
 
| style="text-align: center; border: none" |[[The Gate]]
 
|}
 
{| style="width:70%; align:left padding-right:2em"
 
| style="text-align: center; border: none" |[[File:Boss_The_Adversary.png|center|link=The Adversary]]
 
| style="text-align: center; border: none" |[[File:Boss_The_Bloat.png|center|link=The Bloat]]
 
| style="text-align: center; border: none" |[[File:Boss_Mask of Infamy.png|center|link=Mask of Infamy]]
 
|-
 
| style="text-align: center; border: none" |[[The Adversary]]
 
| style="text-align: center; border: none" |[[The Bloat]]
 
| style="text-align: center; border: none" |[[Mask of Infamy]]
 
|}
 
{| style="width:70%; align:leftght: padding-ri2em"
 
| style="text-align: center; border: none" |[[File:Boss_Brownie.png|center|link=Brownie]]
 
| style="text-align: center; border: none" |[[File:Boss_Sisters_Vis.png|center|link=Sisters Vis]]
 
| style="text-align: center; border: none" |[[File:Boss_Mr._Fred.png|center|link=Mr. Fred]]
 
|-
 
| style="text-align: center; border: none" |[[Brownie]] {{dlc|a}} {{Unlockable}}
 
| style="text-align: center; border: none" |[[Sisters Vis]] {{dlc|a+}} {{Unlockable}}
 
| style="text-align: center; border: none" |[[Mr. Fred]]
 
|}
 
{| style="width:70%; align:left padding-right:2em"
 
| style="text-align: center; border: none" |[[File:Boss_Scolex.png|center|link=Scolex]]
 
| style="text-align: center; border: none" |[[File:Boss_Mama_Gurdy.png|center|link=Mama Gurdy]]
 
| style="text-align: center; border: none" |[[File:Boss_Lokii.png|center|link=Lokii]]
 
|-
 
| style="text-align: center; border: none" |[[Scolex]]
 
| style="text-align: center; border: none" |[[Mama Gurdy]]
 
| style="text-align: center; border: none" |[[Lokii]]
 
|}
 
{| style="width:70%; align:left padding-right:2em"
 
| style="text-align: center; border: none" |[[File:Boss_Blastocyst.png|center|link=Blastocyst]]
 
| style="text-align: center; border: none" |[[File:Boss_The_Matriarch.png|center|link=The Matriarch]]
 
| style="text-align: center; border: none" |[[File:Boss_Teratoma.png|center|link=Teratoma]]
 
|-
 
| style="text-align: center; border: none" |[[Blastocyst]]
 
| style="text-align: center; border: none" |[[The Matriarch]] {{dlc|a+}} {{Unlockable}}
 
| style="text-align: center; border: none" |[[Teratoma]]
 
|}
 
{| style="width:70%; align:left padding-right:2em"
 
| style="text-align: center; border: none" |[[File:Boss_Daddy_Long_Legs.png|center|link=Daddy_Long_Legs]]
 
| style="text-align: center; border: none" |[[File:Boss_Triachnid.png|center|link=Triachnid]]
 
| style="text-align: center; border: none" |[[File:Boss_The_Fallen.png|center|link=The Fallen]]
 
|-
 
| style="text-align: center; border: none" |[[Daddy Long Legs]]
 
| style="text-align: center; border: none" |[[Triachnid]] {{Unlockable}}
 
| style="text-align: center; border: none" |[[The Fallen]]
 
|}
 
===The Harbingers {{Unlockable}}===
 
{| style="width:70%; align:left padding-right:2em"
 
| style="text-align: center; border: none" |[[File:Boss_Famine.png|center|link=Famine]]
 
| style="text-align: center; border: none" |[[File:Boss_Pestilence.png|center|link=Pestilence]]
 
| style="text-align: center; border: none" |[[File:Boss_War.png|center|link=War]]
 
|-
 
| style="text-align: center; border: none" |[[Famine]]
 
| style="text-align: center; border: none" |[[Pestilence]]
 
| style="text-align: center; border: none" |[[War]]
 
|-
 
| style="text-align: center; border: none" |[[File:Boss_Death.png|center|link=Death (Boss)]]
 
| style="text-align: center; border: none" |[[File:Boss_Conquest.png|center|link=Conquest]]
 
| style="text-align: center; border: none" |[[File:Boss_The_Headless_Horseman.png|center|link=The Headless Horseman]]
 
|-
 
| style="text-align: center; border: none" |[[Death (Boss)|Death]]
 
| style="text-align: center; border: none" |[[Conquest]]
 
| style="text-align: center; border: none" |[[The Headless Horseman]]
 
|}
 
===Final Bosses===
 
{| style="width:70%; align:left padding-right:2em"
 
| style="text-align: center; border: none" |[[File:Boss_Mom.png|center|link=Mom]]
 
| style="text-align: center; border: none" |[[File:Boss_Mom's_Heart.png|center|link=Mom's Heart]]
 
| style="text-align: center; border: none" |[[File:Boss_It_Lives.png|center|link=It Lives]]
 
|-
 
| style="text-align: center; border: none" |[[Mom]]
 
| style="text-align: center; border: none" |[[Mom's Heart]]
 
| style="text-align: center; border: none" |[[It Lives]] {{Unlockable}}
 
|}
 
{| style="width:70%; align:left padding-right:2em"
 
| style="text-align: center; border: none" |[[File:Boss_Satan.png|center|link=Satan]]
 
| style="text-align: center; border: none" |[[File:Boss_Isaac_(Boss).png|center|link=Isaac (Boss)]]
 
|-
 
| style="text-align: center; border: none" |[[Satan]]
 
| style="text-align: center; border: none" |[[Isaac (Boss)|Isaac]]
 
|}
 
{| style="width:70%; align:left padding-right:2em"
 
| style="text-align: center; border: none" |[[File:Boss_Blue_Baby.png |center|link=??? (Boss)|???]]
 
| style="text-align: center; border: none" |[[File:Boss The Lamb.png|center|link=The Lamb]]
 
|-
 
| style="text-align: center; border: none" |[[??? (Boss)|???]]
 
| style="text-align: center; border: none" |[[The Lamb]]
 
|}
 
{| style="width:70%; align:left padding-right:2em"
 
| style="text-align: center; border: none" |[[File:Boss_Mega_Satan.png|center|link=Mega Satan]]
 
| style="text-align: center; border: none" |[[File:Boss_Hush.png|center|link=Hush]]
 
|-
 
| style="text-align: center; border: none" |[[Mega Satan]]
 
| style="text-align: center; border: none" |[[Hush]] {{dlc|a}}
 
|}
 
{| style="width:70%; align:left padding-right:2em"
 
| style="text-align: center; border: none" |[[File:Boss_Ultra_Greed.png|center|link=Ultra Greed]]
 
| style="text-align: center; border: none" |[[File:Boss Ultra Greedier.png|center|link=Ultra Greedier]]
 
|-
 
| style="text-align: center; border: none" |[[Ultra Greed]] {{dlc|a}}
 
| style="text-align: center; border: none" |[[Ultra Greedier]] {{dlc|a+}}
 
|}
 
{| style="width:70%; align:left padding-right:2em"
 
| style="text-align: center; border: none" |[[File:Boss_Delirium.png|center|link=Delirium]]
 
|-
 
| style="text-align: center; border: none" |[[Delirium]] {{dlc|a+}}
 
|}
 
 
== Trivia ==
 
== Trivia ==
* "Originally every boss/enemy in Isaac was going to resemble Isaac in some way. this is the case for most."[http://edmundm.com/post/51416553970/binding-of-isaac-fast-facts-now-they-need-to-do]
+
* Originally, every boss and enemy in Binding of Isaac was going to resemble Isaac in some way. [http://edmundm.com/post/51416553970/binding-of-isaac-fast-facts-now-they-need-to-do] This is still the case for some.
* Double Trouble boss pools can have bosses from any of the previous chapters' pools, and are the same for both versions of that chapter's floor. This means that, for example, Double Trouble boss fights in the Caves can feature bosses from the Cellar or the Basement, and every Double Trouble fight in the Caves can also be encountered in the Catacombs.
+
* Double Trouble boss pools can have bosses from previous chapters and can be the same for both versions of that chapter's floor. This means that, for example, Double Trouble boss fights in The Caves can feature bosses from The Cellar or The Basement, and every Double Trouble fight in The Caves can also be encountered in The Catacombs.
* Bosses often come in three versions: normal (For example, Monstro), posthumous (Monstro II), and alternate (Gish). Usually, the posthumous boss looks like the original with some horrible mutilation; for example, Monstro and Chub had most of their skin ripped off.
+
* Bosses often come in three versions: normal (for example, [[Monstro]]), posthumous ([[Monstro II]]), and alternate ([[Gish]]). Usually, the posthumous boss looks like the original with some horrible mutilation; for example, Monstro and [[Chub]] had most of their skin ripped off.
* Most bosses and their alternate/posthumous forms either share similar death animations or share the fact that they lack death animations.
+
** Most bosses and their alternate/posthumous forms either share similar death animations or share the fact that they lack death animations.
  +
* Some bosses appear as evolved or larger versions of enemies (for example, [[Chub]] looks like a bigger [[Charger]]). Some even act as larger versions of other bosses ([[Little Horn]] {{dlc|a}} and [[Big Horn]] {{dlc|a+}}).
==Bugs==
 
{{Bug|Defeating a boss quickly enough might cause the boss music to play, even after the boss dies.}}
 
   
{{nav}}
+
{{nav|boss}}
  +
[[category:bosses| ]]
{{nav boss}}
 
[[Category:Monsters|*]]
 
[[fr:Boss]]
 

Revision as of 20:37, 19 August 2021

Bosses are very strong monsters found in Boss Rooms at the end of a floor. The boss at the end of the floor must be defeated to advance to the next floor. In later chapters, many of these non-final bosses can spawn as degraded bosses, or normal enemies. The same can go for mini-bosses, which can spawn on later floors as degraded mini-bosses. However, some bosses and mini-bosses may not appear as degraded bosses at all. The boss for a particular floor is chosen from the pool of bosses for the chapters of the floor. After defeating Satan for the first time, bosses may also spawn as champions, which can change various attributes such as health, damage, and attack pattern. Upon defeat, most bosses will drop an item from the Boss item pool as well as 1-2 Hearts of any kind.

Bosses boast additional resistances to status effects. Once a boss has been inflicted with a status, they become immune to further ones for some time, lasting longer than the initial effect itself. Slowdown-causing items that require the enemy to stay within their area such as (except in Rebirth)Collectible Night Light iconNight Light are nearly useless on bosses due to the immunity triggering from the first tick. On the other hand, whole-room slowdown and slowing creep, such as that from Collectible Stop Watch iconStop Watch and Collectible Juicy Sack iconJuicy Sack, ignore the immunity and affect bosses like normal enemies.

Additionally, some floors may spawn a room with a mini-boss.

In total, there are 102 bosses and 20 mini-bosses. 10 bosses were added in The Binding of Isaac: Afterbirth, 6 were added in The Binding of Isaac: Afterbirth †, and 30 bosses and 2 mini-bosses were added in The Binding of Isaac: Repentance.

Gallery

Trivia

  • Originally, every boss and enemy in Binding of Isaac was going to resemble Isaac in some way. [1] This is still the case for some.
  • Double Trouble boss pools can have bosses from previous chapters and can be the same for both versions of that chapter's floor. This means that, for example, Double Trouble boss fights in The Caves can feature bosses from The Cellar or The Basement, and every Double Trouble fight in The Caves can also be encountered in The Catacombs.
  • Bosses often come in three versions: normal (for example, Monstro), posthumous (Monstro II), and alternate (Gish). Usually, the posthumous boss looks like the original with some horrible mutilation; for example, Monstro and Chub had most of their skin ripped off.
    • Most bosses and their alternate/posthumous forms either share similar death animations or share the fact that they lack death animations.
  • Some bosses appear as evolved or larger versions of enemies (for example, Chub looks like a bigger Charger). Some even act as larger versions of other bosses (Little Horn (except in Rebirth) and Big Horn (in Afterbirth † and Repentance)).