The Satanic Bible is unlocked by defeating Isaac in the Cathedral with Azazel. It is a 6 charge.

  • When active it works like the The Book Of Belial and gives black wings for a room like The Bible. Gives the player +1 Black Heart upon depletion the heart will deal 40 damage to any enemies in the room.


  • It is a reference to The Satanic Bible, a religeous text by Anton LaVey.