Rune Bag

"Rune generator"
Entity ID	5.100.389
Item Pool	Golden Chest Secret Room Treasure Room Treasure Room
Collection Grid	(page 4, column 4, row 2) (page 4, column 4, row 2) (page 4, column 5, row 2)
Unlock Method	Defeat Isaac as Lilith

Rune Bag is an unlockable passive item added in the Binding of Isaac: Afterbirth expansion.

Effects

• Spawns a familiar that drops a random rune alternatingly every 5 or 6 rooms ( 7 or 8 rooms).
  • If there are no runes unlocked, it will drop cards instead.
  • Rune Bag will also drop Soul Stones if any have been unlocked.
  • If not every rune is unlocked, it will drop Rune Shards.

Synergies

• BFFS!: The drop rate is improved to every 4-5 rooms.
  • The drop rate is improved to every 6 rooms.

Seeds

PC H46A 1PJE (Treasure room adjacent to spawn)

Switch 9XX3 HWL2 (First Golden Treasure Room)