Gemini (Item)
ItemRebirthUnlocked
familiarGame ID 318★★★★
How do you unlock Gemini (Item)?
Verified starting unlockSource data confirms that no unlock is required.
Spawns a conjoined familiar which chases enemies close to Isaac, dealing ~6.43 damage per second.
Available from the start
No unlock needed — this is available in every new save file.
What unlocking Gemini (Item) leads to
Nothing depends on this yet.
Source: bindingofisaacrebirth.wiki.gg
Imported 2026-09-13