Binding of Isaac: Rebirth Wiki
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Abaddon is an unlockable passive item.

Effects[]

Notes[]

  • The fear effect chance depends on the Luck stat, starting at 15% at 0 Luck, reaching 100% with 85 Luck.
    • Dark Matter Dark Matter is significantly better at inflicting fear than Abaddon.
  • Does not remove Soul Heart Soul Hearts or Eternal Heart Eternal Hearts.
  • Removed in Repentance As it removes all Red Heart Containers, other Deals with the Devil can be taken for "free" as long as Abaddon is taken last while still having at least 1 Container.
  • Has no negative trade-off when taken as ??? ???, minus losing the opportunity of an Angel Room Angel Room.
  • Can always be taken when offered as a 3 Soul Heart Deal. Even if Isaac only has one or two Soul Hearts, the Black Hearts will be granted after taking the item.
  • Added in Afterbirth † / Removed in Repentance Will instantly kill the Keeper Keeper when picked up.
  • Added in Repentance Bethany Bethany will be left with half a Red Heart with her other Heart Containers removed.
  • Added in Repentance Tainted Bethany Tainted Bethany will not lose stored Red Hearts, but can't gain more black hearts from this item as a result.

Synergies[]

In-game Footage[]

Trivia[]

  • In the Hebrew Bible, the name Abaddon is used as a reference to a bottomless pit, often appearing alongside the place of the dead (which is known as Sheol), meaning the land of the dead. The actual Hebrew word Abaddon (אבדון - pronounced avadon) means "doom".
  • Abaddon is the Hebrew equivalent of Apollyon.
  • In the New Testament's Book of Revelation, an angel called Abaddon is written as the king of an army of locusts; his name is first transcribed in Greek (Revelation 9:11 – "whose name in Hebrew Abaddon").
  • Abaddon also shares its name with a level from Edmund's previous game Super Meat Boy.
  • Added in RepentanceLil Abaddon Lil Abaddon resembles this item's costume, but its effects are closer to Maw of the Void Maw of the Void.
  • Added in RepentanceIn the Russian version of the game, the profile icon of Russian streamer Neonomi can be found beside the item name in Abaddon's achievement popup, referencing a clip where he screamed the name "Abaddon" in Russian.

Seeds[]

PC Normal mode only SYE1 41CK (Red Chest on first floor teleports to Devil Room)

PC S97N 07DH (Curse Room adjacent to spawn teleports to Devil Room, also contains Lil Brimstone)

PC Added in Afterbirth QJGK ZRFA (Red Chest in Curse Room adjacent to spawn teleports to Devil Room)

Bugs[]

Bug Bug! Removed in Afterbirth † If Keeper Keeper picks up Abaddon, it will remove all of his Coin Hearts but will not kill him until he picks up an item.
This still applies if Abaddon is acquired via the Debug Console, but not if the item is picked up normally.


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