A book with a centaur, horse, and a dragon on its cover.
Effects
Upon activation, Satan's laugh will be heard and a random Familiar (even locked familiars) will spawn and help Isaac for the current room. Can spawn one of the following:
- Brother Bobby
- Level 2 or 3 Cube Of Meat
- Halo Of Flies
- Distant Admiration
- Sister Maggy
- Little Chubby
- Robo-Baby
- Little Gish
- Little Steve
- Guardian Angel
- Demon Baby
- Forever Alone
Synergies
- Combined with items such as the 9 Volt, Habit, etc. can allow Isaac to have an army of familiars following him. Using this in a boss room can cause the boss to lose health very rapidly.
Gallery
The cover of the D&D Monster Manual
Combining the Habit and The Monster Manuel can result in an army of familiars.
Trivia
- The item and its graphics are both references to the D&D Monster Manual.
Bugs
- More than 3 orbitals may be active as a result using this item; this may have been done to avoid deleting old orbitals by accident, or could have been simply overlooked.
- Will spawn "undefined," if too many familiars are present on screen.
Related Achievements
"The Monster Manual" - Complete Sheol with Judas.