Binding of Isaac: Rebirth Wiki

Added in Afterbirth

Host Hat is a passive item added in The Binding of Isaac: Afterbirth.


  • Enemy shots that hit Isaac have a 25% chance to be blocked. When a projectile is effectively blocked, Host Hat fires 3 bullets similar to the Host Host's.
  • Grants immunity to explosions.
  • Added in Repentance Grants immunity to bullets falling from above.


  • Does not protect against exploding mushrooms.
  • Removed in Repentance Isaac becomes immune to Mom Mom and Satan Satan's stomp attacks, as they are considered explosions. This makes the item very valuable if trying to unlock The Forgotten The Forgotten, as it will protect Isaac from the effects of the Added in Afterbirth †Broken Shovel Broken Shovel.
  • Added in Afterbirth † This item is invaluable in Greedier Mode as nearly all of Ultra Greedier Ultra Greedier's attacks are considered explosions.
  • One of only two items that grant full immunity to explosive damage, the other being Pyromaniac Pyromaniac.
  • Although Host Hat has firing animation that expose itself after it blocks a tear, it can still block tears in this state, firing bullets as much it blocks.



In-game Footage[]


  • Prior to Repentance, Host Hat's description was "Nice hat!"


PC Removed in Repentance MK4N NFWS (Treasure Room adjacent to spawn)

PC Removed in Repentance EDSS 1MZB (Treasure Room adjacent to spawn)

PC Removed in Repentance Hard mode only QW3Y G44C (Treasure Room above spawn)

PC Removed in Repentance MY7Q 2AM7 (Treasure Room adjacent to spawn)

PC Added in Repentance Normal and hard modes only 2GC2 CMD4 (Treasure Room adjacent to spawn)

PS4 VDZ3 X8DZ (Treasure Room adjacent from spawn)

Switch VVXY XZJH (Treasure Room down right from spawn)