Binding of Isaac: Rebirth Wiki
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Binding of Isaac: Rebirth Wiki

Monster Manual is an activated item.

Effects[]

When used, a random familiar will be spawned from the following:

  • Removed in Repentance Familiars spawned by Monster Manual last for the current room.
    • Added in Repentance Familiars spawned by Monster Manual last for the rest of the floor.
  • Familiars generated by Monster Manual do not contribute toward transformations.
  • Added in Afterbirth † This item belongs to the Bookworm set. Collecting three items from this set will transform Isaac into Bookworm.

Notes[]

  • It can spawn familiars not yet unlocked.
  • If Cube of Meat Cube of Meat or Ball of Bandages Ball of Bandages are spawned and Isaac already has either of those items, the level of these items will increase for the current Removed in Repentance room Added in Repentance floor.
  • Using Monster Manual is a good method to unlock achievements related to Super Meat Boy and Super Bandage Girl.
    • Using Monster Manual and enough Batteries, Super Meat Boy and Super Bandage Girl can both be achieved in the same run.
    • If Isaac does not already have the Cube of Meat or Ball of Bandages, Monster Manual can spawn a level 2 Cube of Meat or Ball of Bandages in one use.
  • Mongo Baby Mongo Baby will not copy familiars spawned by Monster Manual.
  • Familiars spawned by Monster Manual cannot be rerolled into other items by D4 D4 or D100 D100.
  • Added in AfterbirthBox of Friends Box of Friends will not duplicate familiars spawned by Monster Manual.
  • Added in RepentanceTinytoma Tinytoma orbitals will persist between floors until they are all destroyed. They will not respawn outside of the floor they were generated in.
  • Added in Repentance The familiars summoned by Monster Manual are items with a monstermanual item tag.

Synergies[]

Interactions[]

  • Added in RepentanceSacrificial Altar Sacrificial Altar: Summoned familiars can be sacrificed since they persist for the entire floor, even if Monster Manual isn't currently being held.

In-game Footage[]

Trivia[]

  • In the original The Binding of Isaac, due to a typing error this item was called "Monster Manuel". This has been corrected for Rebirth.
    • Added in Repentance Monster Manual may sometimes display the misspelled name when picked up.
  • Monster Manual is a direct reference to Dungeons & Dragons. Its appearance in the game closely resembles the Advanced Dungeons & Dragons First Edition Monster Manual.

Gallery[]

Seeds[]

PC HGN1 GBFC (Treasure Room Treasure Room adjacent to spawn)

PC A6V2 BD1M (Treasure Room Treasure Room adjacent to spawn)

PC RPFQ NXGG (Treasure Room Treasure Room adjacent to spawn)

PC Added in Afterbirth Normal and hard modes only PSXL 8WRV (Treasure Room Treasure Room adjacent to spawn)

PC Added in Repentance Hard mode only KSVH 8CTT (Treasure Room Treasure Room adjacent to spawn)


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