Key Master (Item Pool)

Item Pools
Normal / Hard	Treasure Room	Boss	Shop	Curse Room	Secret Room	Devil Room	Angel Room
	Library	Golden Chest	Red Chest	Beggar	Devil Beggar	Key Master	Bomb Bum
	Planetarium	Ultra Secret Room	Crane Game	Rotten Beggar	Battery Bum	Old Chest	Wooden Chest
	Baby Shop	Glass Chest	Dire Chest	Drug Dealer	Blacksmith	Zodiac	Robot Fortune Teller
Greed / Greedier	Treasure Room	Boss	Shop	Curse Room	Secret Room	Devil Room	Angel Room

Key Master can pay out with this item after being given enough keys.

To see the Key Master pool of items in the original game, see its page on The Binding of Isaac: Rebirth wiki.

Name	Icon	Weight	Description
Familiar Fly		1	Orbiting familiar that deals contact damage and blocks projectiles. Swells up when close to enemies, until exploding into a ring of 10 tears that can charm enemies. Respawns some time afterwards. Can charm Fly-related enemies in close proximity.