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The Key Beggar or Key Master is a new type of Beggar added in The Binding of Isaac: Rebirth. Bumping into The Key Beggar gives him a key and he has a chance to spawn either a Red Chest, a Golden Chest or a Regular Chest, just like the regular / Devil Beggar does. (It has more chance to spawn a Red Chest.)
- If the character got the Skeleton Key item, you can get almost infinite chests.
- The Key Beggar will still deplete the character's keys if they're holding the level's Golden Key.
- Key Bum is a portable Key Beggar/Master.