Hive Mind
ItemRebirthUnlocked
familiarGame ID 248★★★★
How do you unlock Hive Mind?
Verified starting unlockSource data confirms that no unlock is required.
Increases the size of Blue Spiders and Blue Flies and doubles the amount of damage they deal. [Repentance] Also increases the effectiveness of fly and spider familiars.
Available from the start
No unlock needed — this is available in every new save file.
What unlocking Hive Mind leads to
Nothing depends on this yet.
Source: bindingofisaacrebirth.wiki.gg
Imported 2026-09-13