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Mystery Sack [edit | edit source]
The Mystery Sack will spawn 1-4 random pickups upon touching it. They will not drop any hearts, pills or chests, and they have an increased chance to drop batteries. Sack HeadGreatly increases the chance to find sacks. has a 33% chance to replace pickups with sacks.
|The Binding of Isaac: Rebirth|
|Achievements||Attributes||Bosses||Cards and Runes||Challenges||Chapters|