"It's inscribed with a fire design."
— Item examination

Fire Key (火のカギ Hi no kagi?) is a key item in Resident Evil Zero. Before examination it is known as "Facility Key".


This key opens red doors within the Umbrella Research Center. It also appears in the Leech Hunter minigame and is required in order to get all 100 leech charms.[citation needed]


The key is found in the animal cage in the rearing pool, located on level 2F.[1]



  1. Hamamura (ed.), KAITAISHINSHO, p.278.

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