BFFS!
ItemRebirthUnlocked
familiarGame ID 247★★★★
How do you unlock BFFS!?
Verified starting unlockSource data confirms that no unlock is required.
Increases the size and effectiveness of most familiars.
Available from the start
No unlock needed — this is available in every new save file.
What unlocking BFFS! leads to
Nothing depends on this yet.
Source: bindingofisaacrebirth.wiki.gg
Imported 2026-09-13