Template:ItemTable Mystery Sack is an unlockable passive item.
Effects
- Spawns a familiar that follows Isaac around and has a chance to drop a heart, coin, bomb, or key after clearing a room.
- Template:Afterbirth Mystery Sack also has a chance to drop trinkets.
Notes
- Prior to patch 1.04, this item did not drop any items, or do anything at all.
Ingame Footage
Trivia
- The Mystery Sack is one of the only two familars that can give keys, the other being Bum Friend.
Seeds
Template:PlatPC A3ES 1TQN (First floor, Treasure room next to spawn) Template:PlatPC QHKQ ZE4N (First floor, Treasure room next to spawn) Template:PlatPS4 CGVC XKY3 (Play as Isaac, and reroll the first item in the secret room just below the starting room) Template:PlatVita Q73A BMMP (adjacent to starting room) Template:MasterNav