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Mom's Heart

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Moms Heart Full

Mom's Heart is the final boss of The Womb II. In the beginning of the battle it is always accompanied by two Eyes. If you listen closely to its theme song, you can hear heart beats.

Strategies

Mom's heart spawns two to four monsters and then disappears. After killing those monsters, the heart will reappear in the middle of the room for 3-4 seconds, spawn more monsters, then disappear again. If you manage to kill the monsters within two seconds from their spawning (before the Heart disappears), Mom's Heart will stay on screen and spawn a next pack.

Provided you have bombs, placing a bomb just as the heart is about to drop into vision will not only damage the heart, but may also destroy any monsters the heart spawns; this can afford you essentially double the attack time against the heart.

When Mom's Heart drops down to 33% health, it will stop hiding but continuously spawn monsters and start firing bombs similar to those fired by Sloth and other monsters. The explosions will leave glowing puddles of blood, similar to the ones left by the brains, that do damage on contact and last for several seconds. The monsters it spawns in this phase are usually weaker, consisting largely of various small flies.

Alternatively, using The Bible will act as an instant kill, similar to using it on Mom. This is not to be confused with the similar looking 'Book of Revelations' item which has no effect on Mom or Mom's Heart.

Also items such as the My Little Unicorn and the Gamekid do not work on it, but those items may be useful to fight the monsters it spawns.

After you defeat Mom's Heart nine times, it is replaced with It Lives, supposedly a representation of Isaac in Mom's womb.


Bugs

Mom's heart bug

The bug, and the chest that appears after you defeat Mom's Heart.

  • When defeating Mom's Heart using the Bible, the health bar will not disappear, but the game will go on with the ending as usual and the chest will appear (seems to have only appeared since The Wrath of the Lamb was released)
  • The devil room after Mom's Heart sometimes will not show up at all and the player is forced to continue and opening the golden chest. This is intended, and is supposed to happen.
  • The firing bombs, similar to those fired by Sloth, can get you out of the map and then you will be unable to finish the game (because you are stuck in an invisible wall).
Bindingofisaacwiki

Mom's Heart's health is behind the HP bar.

  • If you are in the Womb XL or Utero XL, then the boss right before Mom's Heart/It Lives! will also play the heart's music, and Mom's Heart/It Lives! will still play its own music. This also occurs with Mom in The Depths XL and Necropolis[XL].

Videos

The Binding of Isaac - Unlockable Boss Moms Heart01:18

The Binding of Isaac - Unlockable Boss Moms Heart

A fight with Mom's Heart, plus the game's first ending. (BEFORE WOTL)

Cain vs. It Lives - TBoI 101:06

Cain vs. It Lives - TBoI 1.4 Petden

It Lives fight in 1.4

Bosses
Basement Larry Jr.MonstroThe Duke of FliesGeminiStevenFamine
Cellar WidowPinThe Duke of FliesFamineGurdy Jr.The Blighted Ovum
The Caves FistulaPeepGurdyChubC.H.A.D.Pestilence
Catacombs The HuskThe HollowThe Blighted OvumThe Carrion QueenPeepPestilenceThe WretchedGurdy Jr.
The Depths LokiMonstro IIGishWarMom
Necropolis Mask of InfamyDaddy Long LegsThe Carrion QueenThe BloatLokiWarThe WretchedMom
The Womb ScolexBlastocystThe BloatDeathConquestDaddy Long LegsTriachnidTeratomaMom's HeartIt Lives
Utero TeratomaThe BloatDeathConquestDaddy Long LegsTriachnidLokiiMom's HeartIt Lives
Sheol The FallenSatan
Cathedral Isaac
The Chest ???
First to fifth and seventh level The FallenHeadless Horseman
Devil Room Krampus

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