Key of Light

The Key of Light is a craftable item which spawns a Hallowed Mimic when placed inside of an empty chest. The world must be in Hardmode and the only item inside the chest must be a single Key of Night.

Spawning the Hallowed Mimic consumes both the Key of Light and the chest.

History
Schlüssel des Lichts Clé de lumière 빛의 열쇠 Ключ света 光明钥匙