Rune Bag is a passive item added in the Binding of Isaac: Afterbirth expansion.
Effects[edit | edit source]
Synergies[edit | edit source]
- BFFS!Increases the size and damage of familiars.: Increases Rune Bag's size and increases the frequency of runes dropping.
In-game Footage[edit | edit source]
Seeds[edit | edit source]
|The Binding of Isaac: Rebirth|
|Achievements||Attributes||Bosses||Cards and Runes||Challenges||Chapters|