Sack of Sacks is an unlockable passive item added in Afterbirth †.


  • Spawns a familiar that follows Isaac and drops a sack alternatingly Dlc nr indicator.png every 5 or 6 rooms. ( Dlc r indicator.png 7 or 8 rooms).


  • Dlc nr indicator.png Collectible BFFS! icon.png BFFS!: The drop rate is improved to every 4-5 rooms.
    • Dlc r indicator.png The drop rate is improved to every 6 rooms.

In-game Footage


This item is the sack counterpart to the Sack of Pennies, Rune Bag, Mystery Sack, and Bomb Bag.
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