The Book of Belial

Not to be confused with Satanic Bible. The Book of Belial is an activated item.

Effect

 * Increases damage by 2 upon use for the current room.
 * Increases damage by a further +50% if the character is also holding the Blood of the Martyr.
 * Guarantees the Devil Room or Angel Room to spawn after killing a boss while holding it.
 * Increases the chance to open the Devil Room or Angel Room by 12.5% after killing a boss while holding it instead.
 * If used while fighting Satan, and not the Fallen that spawns before him, Satan will instantly advance to his final stage.

Gallery
bookofbelialgiantbook.png | Book of Belial when activated. Book_Of_Belial_Activated.png | Unused image for use animation. 3DS_Detailed_Book_Of_Belial.png | The Icon of the Book of Belial as seen on the lower 3DS screen. 

Trivia

 * 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
ZWQY MQ6C

The Book of Belial