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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.

Behavior

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.

Strategy

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.

Gallery

Bugs

  • 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 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).
  • 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].
  • Audio: If Mom's Heart or It Lives is taking multiple hits of damage right before it starts firing bombs, many occurances of it saying "Isaac!" happens.
  • If you kill yourself after defeating Mom's heart, but have a respawn item (1up, Ankh, Guppy), when you return to the room, mom's heart will have returned, but the chest is still there. You must wait for the heart to rise back up before running into the chest. The game goes on normally after opening it.
  • If Mom's Heart or It Lives is damaged enough to start firing bombs before it comes down from the roof (via The Candle), it will stay on the roof and its shadow will remain, but bombs will still be fired from the center of the room.

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

Start a Discussion Discussions about Mom's Heart

  • Mum's Heart Room Glitch?

    3 messages
    • I hope you are still monitering this after 12 days, but here is your answer to the best of my abilities: Yes, you will still unlock ...
    • just a bug it says womb 2 but it is acttually sheol
  • Moms heart bug?

    3 messages
    • I hope you are still monitering this page after about a month and 5 days, but ill still give you my answer to the best of my abilities: You ...
    • "You may not have unlocked the chest after beating moms heart the first time" I said this, but i meant you may not have opened the chest ...

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