Afk biome key farm terraria. Notice the crimson and corruption blocks used to make the arapaimas drop corruption and crimson keys. Terraria step by step afk farm terraria how to happydays duration. Afk farming every biome. Biome keys are hardmode items used to open the biome chests in the dungeon.
By darkstar a straightforward how to on farming biome specific items such as biome keys souls and unique weapons from several different biomes at once. Biome keys are used to open biome chests in the dungeon which provide access to some powerful post plantera weapons such as the vampire knives and rainbow gun. The key to biome farming. But they drop at the very low rate of 004 12500 and are only dropped when the player is in the keys corresponding biome.
Opening a chest consumes the key.