The Book of Belial

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The   Book   of   Belial
Item icon
Item altar
"Temporary DMG up"
Table dividing line 1.png
Item ID
5.100.34
Character Appearance
Character appearance
Table dividing line 2.png
Recharge Time
3 rooms 3 rooms
Table dividing line 3.png
Collection Grid
Removed in Afterbirth(page 1, column 4, row 4)
Added in Afterbirth(page 1, column 14, row 2)

Not to be confused with 15►Satanic Bible Satanic Bible.

The Book of Belial is an activated item.

Effects[edit | edit source]

  • Gives +2 damage for the current room.
  • Removed in Afterbirth Guarantees the Devil Room or Angel Room to spawn after killing a boss while holding it.
  • Added in Afterbirth Increases the chance to open the Devil Room or Angel Room by 12.5%.
  • Added in Afterbirth † This item belongs to the Bookworm set. Collecting three items from this set will transform Isaac into Bookworm.

Notes[edit | edit source]

  • Judas starts with this item by default.
  • Removed in Repentance The damage bonus does not stack with multiple uses in the same room or with XV - The Devil XV - The Devil.
  • Added in Repentance The damage bonus will stack with multiple uses in the same room and with XV - The Devil XV - The Devil.
  • While activated, switching items will end the bonus damage effect.
  • If the Added in Afterbirth †15►Schoolbag Schoolbag and a second activated item are held, the book must be equipped in the primary slot to receive the Devil/Angel room bonus.
  • Removed in Afterbirth Only guarantees Devil/Angel Rooms on floors that they can normally appear on, and, unlike 15►Goat Head Goat Head, picking up The Book of Belial after killing the boss will not open the Devil/Angel Room door.

Synergies[edit | edit source]

In-game Footage[edit | edit source]

Gallery[edit | edit source]

Trivia[edit | edit source]

  • Can still open Angel Rooms even though it is a satanic book.
  • It is one of the four books in the Satanic Bible.
  • Belial is a name used for Satan in some Jewish and Christian texts.

Seeds[edit | edit source]

PC ZWQY MQ6C

Switch ZWC9 D2WY


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