Cultist

Cultists are an enemy added in The Binding of Isaac: Repentance. At the start of the room, they create a homing, indestructible Purple Ball (like Rag Mega's) and proceed to follow it around on a brief delay. These purple balls fade into Dark Balls after 6 seconds, which can be destroyed as normal and have 10 HP. They cannot spawn another ball as long as the one they previously spawned is still intact. If they detect an enemy has died in the current room, it will stop following the ball it summoned, move to where the enemy died, and resurrect it with full health before going back to following its ball. They can revive up to 5 enemies at a time and cannot revive other Cultists. They can, however, revive most bosses and mini-bosses.

• Cultist might be a reference to the Floater enemy from The Legend of Bumbo, despite there actually being a Cultist enemy in the game.
• Cultists may have replaced the Necromancer enemy from Antibirth, as they both have near identical mechanics and reside in Mausoleum. The Binding of Isaac: Rebirth
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