Key Master (Item Pool)

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Key Master.png

Key Masters will pay out with either one of these items or the Paper Clip Paper Clip after being given enough keys.

Activated Collectibles[edit | edit source]

Name ID Icon Weight Description
Dad's Key 5.100.175
Dad's Key
2 rooms
1 Opens all doors in the current room when activated, including doors which require a key to open and entrances to Secret Rooms. Opens the big doors in the first room of both The Chest The Chest and the Dark Room Dark Room.
Added in Repentance Mr. ME! 5.100.527
Mr. ME!
4 rooms
1 Summons a controllable ghost that can perform various tasks depending on what it targets.
Added in Repentance Red Key 5.100.580
Red Key
4 rooms
1 Creates a new room adjacent to a viable wall, indicated by the outline of a door. These rooms have a chance to be various special rooms.

Passive Collectibles[edit | edit source]

Name ID Icon Weight Description
BBF 5.100.272 BBF 1 Spawns a familiar that flies around the room in a zig-zag pattern and explodes on contact with an enemy. Respawns after ten seconds.
Distant Admiration 5.100.57 Distant Admiration 1 Spawns an attack fly that circles further out than 15►Halo of Flies Halo of Flies, but closer than 15►Forever Alone Forever Alone, dealing 75 damage per second.
Forever Alone 5.100.128 Forever Alone 1 Spawns an attack fly that orbits a long distance from Isaac, dealing 30 damage per second.
Halo of Flies 5.100.10 Halo of Flies 1 Spawns two Pretty Flies that block enemy shots and deal contact damage to flies.
Mom's Key 5.100.199 Mom's Key 1 Adds 2 keys. Chests will drop additional pickups.
Smart Fly 5.100.264 Smart Fly 1 Spawns an orbital familiar that blocks enemy shots. Upon taking damage, the familiar will pursue enemies for the rest of the room, dealing 22.5 damage per second.
Added in Afterbirth ???'s Only Friend 5.100.320 ???'s Only Friend 1 Spawns a controllable familiar that deals 37.5 damage per second on touch. It can be moved using the shooting directional keys
Added in Afterbirth Friend Zone 5.100.364 Friend Zone 1 Spawns a white attack fly that orbits somewhere between 15►Distant Admiration Distant Admiration and 15►Forever Alone Forever Alone, dealing 45 damage per second.
Added in Afterbirth Key Bum 5.100.388 Key Bum 1 Spawns a familiar that follows Isaac and collects Keys for himself, giving random Chests in return.
Added in Afterbirth Lost Fly 5.100.365 Lost Fly 1 Spawns fly familiar that moves in a straight line and circles around the first wall or obstacle it hits, dealing 105 damage per second on contact.
Added in Repentance Bot Fly 5.100.629 Bot Fly 1 Spawns an orbiting fly familiar that fires shielded tears at incoming enemy projectiles.
Added in Repentance Fruity Plum 5.100.649 Fruity Plum 1 Gives Isaac a miniature Baby Plum familiar that propels itself diagonally around the room, firing tears behind itself as it travels.
Added in Repentance Latch Key 5.100.343 Latch Key 1 Grants 1 Soul Heart and +1 luck. Spawns 2 Keys.
Added in Repentance Obsessed Fan 5.100.426 Obsessed Fan 1 Spawns a familiar that follows Isaac's movements on a 3 second delay and deals contact damage to enemies.
Added in Repentance Papa Fly 5.100.430 Papa Fly 1 Spawns a familiar that follows Isaac's movements on a 3 second delay, firing tears at nearby enemies.
Added in Repentance Psy Fly 5.100.581 Psy Fly 1 Spawns a fly orbital familiar that chases and deflects enemy shots and converts them into homing tears.
Added in Repentance The Swarm 5.100.693 The Swarm 1 Spawns nine orbital flies, which turn into Blue Flies after they block a shot. Each time a room is cleared, spawns another orbital fly.
Added in Repentance YO LISTEN! 5.100.492 YO LISTEN! 1 +1 luck. Spawns a fairy familiar that points out Secret Rooms, Crawl Space entrances, and tinted rocks.

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