It Lives

It Lives is a boss that can appear on the second floor of Chapter 4 ( Womb, Utero, Scarred Womb). After being unlocked, it permanently replaces Mom's Heart.

Behavior[]

It Lives behaves identically to Mom's Heart, with the exceptions of different spawns for its phases:

In phase 1 its order is now:
- 3 Flesh Mobile Hosts
- Polycephalus
- Fistula
- 2 Eyes
In phase 2 its order is now:
- 2 Knights
- 4 Walking Boils
- Teratoma
- Chub
In phase 3 its order is now:
- 3 Lumps
- 3 Globins
- 4 Tumors
- 4 Hearts

Gallery[]

It Lives! in-game.
It Lives! as one of Delirium's forms.

Unlockable Achievements[]

A Halo - Defeat Mom, Mom's Heart, or It Lives using The Bible.

Flooded Caves - Defeat It Lives 16 times.

Dank Depths - Defeat It Lives 21 times.

Scarred Womb - Defeat It Lives 30 times.

Lost Baby - Defeat Mom's Heart on Hard mode as Isaac.

Cute Baby - Defeat Mom's Heart on Hard mode as Magdalene.

Glass Baby - Defeat Mom's Heart on Hard mode as Cain.

Shadow Baby - Defeat Mom's Heart on Hard mode as Judas.

Dead Baby - Defeat Mom's Heart on Hard mode as ???.

Crow Baby - Defeat Mom's Heart on Hard mode as Eve.

Fighting Baby - Defeat Mom's Heart on Hard mode as Samson.

Wrapped Baby - Defeat Mom's Heart on Hard mode as Azazel
Defeat Mom's Heart on Hard mode as Lazarus.

Begotten Baby - Defeat Mom's Heart on Hard mode as Lazarus
Defeat Mom's Heart on Hard mode as Azazel.

Glitch Baby - Defeat Mom's Heart on Hard mode as Eden.

-0- Baby - Defeat Mom's Heart on Hard mode as The Lost.

Goat Head Baby - Defeat Mom's Heart on Hard mode as Lilith.

Super Greed Baby - Defeat Mom's Heart on Hard mode as Keeper.

Smelter - Defeat Mom's Heart or It Lives! on Hard mode as Apollyon.

Marrow - Defeat Mom's Heart or It Lives! on Hard mode as The Forgotten.

Wisp Baby - Defeat Mom's Heart or It Lives! on Hard mode as Bethany.

Double Baby - Defeat Mom's Heart or It Lives! on Hard mode as Jacob and Esau.

Notes[]

Just like Mom and Mom's Heart, using The Bible or XV - The Devil? against It Lives will kill it instantly.
Isaac can encounter It Lives in the nightmare boss wave of chapter 4 in Greed/Greedier mode even if it has not been unlocked.

Trivia[]

It Lives! appeared in the original The Binding of Isaac.
The music that plays during this fight is titled Ventricide.^[1] Ventricide is a portmanteau formed from the word ventricle (chamber of the heart) and the suffix -cide, which denotes an act of killing. This theme is used in other tracks, such as Matricide, Hericide, and Infanticide.
- Ventricide could also be a junction of the prefix ventr-, which could denote "belly", "stomach", or "womb" with the suffix -cide.
It Lives, according to the developers, takes the shape of what Isaac looked like as a fetus.
It Lives makes the same sounds as Mom's Heart.
- Like Mom's Heart, if Isaac takes damage from It Lives' Brimstone attack, Mom's laugh can be heard.
Despite being a major boss, It Lives doesn't belong to any Ending, instead, it opens up entrances to both Sheol and the Cathedral, as well as ??? if beaten in under 30 minutes.
The unlock note for It Lives states "Your futures past awaits.", referencing Time Fcuk, another game by Edmund Mcmillen.
During the versus screen, It Lives' enemy/boss-spawning sound can be heard. It Lives is one of seven bosses that can be heard during the versus screen, the other six being The Stain, The Forsaken, Big Horn, Mom, Mom's Heart and Mother.

Bugs[]

Bug!	Sometimes, if the boss intro is skipped, the game will not teleport Isaac into the center of the bottom of the room, resulting in immediate contact damage with one of the Eyes or It Lives, depending on the direction of the room's entrance.

References[]

↑ http://ridiculon.bandcamp.com/

It Lives Unlocks

Bosses
Chapter 1	Gemini • Steven • Blighted Ovum • Dingle • The Duke of Flies • Famine • Gurglings • The Haunt • Larry Jr. • Monstro • Pin • Widow • The Fallen • The Headless Horseman Dangle • Little Horn • Rag Man • Turdlings Baby Plum
Chapter 1.5	Lil Blub • Wormwood • The Rainmaker • Min-Min • Clog • Colostomia • Turdlet
Chapter 2	Fistula • Chub • C.H.A.D. • Carrion Queen • Dark One • Gurdy • Gurdy Jr. • The Hollow • The Husk • Mega Fatty • Mega Maw • Peep • Pestilence • Polycephalus • The Wretched • The Fallen • The Headless Horseman The Forsaken • The Frail • The Stain Big Horn • Rag Mega Bumbino
Chapter 2.5	Reap Creep • Tuff Twins • Hornfel • Great Gideon • Singe • The Shell • The Pile
Chapter 3	The Adversary • The Bloat • The Cage • The Gate • Monstro II • Gish • Loki • Mask of Infamy • War • The Fallen • The Headless Horseman • Mom Brownie Sisters Vis Reap Creep • The Pile
Chapter 3.5	The Siren • The Heretic • The Visage • The Horny Boys • Mom • Mom's Heart
Chapter 4	Blastocyst • The Bloat • Conquest • Daddy Long Legs • Triachnid • Death • Lokii • Mama Gurdy • Mr. Fred • Scolex • Teratoma • The Fallen • The Headless Horseman • Mom's Heart • It Lives Sisters Vis • The Matriarch
???	Hush
Corpse	Chimera • The Scourge • Rotgut • Mother
Chapter 5	Satan • Isaac
Chapter 6	??? • The Lamb • Mega Satan
The Void	Delirium
Home	Dogma • The Beast • Ultra Death • Ultra Famine • Ultra Pestilence • Ultra War
Greed Mode	Ultra Greed Ultra Greedier

The Binding of Isaac: Rebirth
Achievements	Attributes	Bosses	Cards and Runes	Challenges	Chapters
Characters	Co-op	Items	Item pools	Monsters	Objects
Pickups	Pills	Rooms	Seeds	Transformations	Trinkets

[1] ttp://ridiculon.bandcamp.com/

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