Monster Manual

Monster Manual is an activated item.

Effect

 * Summons a random familiar for the duration of the current room.

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.
 * Monster Manual is a direct reference to Dungeons & Dragons.

Seeds
HGN1 GBFC (Treasure room adjacent to spawn) A6V2 BD1M (Treasure room adjacent to spawn) RPFQ NXGG (Treasure room adjacent to spawn) PSXL 8WRV (treasure room adjacent to spawn) (both modes)