Biome Keys

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Biome Keys
  • Biome Keys.gif
Stack digit 9.pngStack digit 9.pngStack digit 9.pngStack digit 9.png
Statistics
Type
RarityRarity level: 8
Research1 required
  • Internal Item ID: 1533–1537, 4714

Biome Keys are Hardmode items used to open the Biome Chests in the Dungeon. Opening a Chest consumes the key. Though unusable until Plantera is defeated, they can be dropped at any time during Hardmode. Each key has a 1/2500 (0.04%) chance of dropping from an enemy in the key's respective biome.

Any enemy in the biome that drops coins when killed has a chance of dropping a key, not just biome-exclusive enemies. Additionally, enemies in hybrid biomes have a chance to drop any key from their composite biomes. The type of key is determined by which biome the player currently is in, not the enemy killed.

Any Biome Key dropped prior to defeating Plantera will display the tooltip "It has been cursed by a powerful Jungle creature" and will be unable to open its respective chest until Plantera is defeated, although they are usable in other worlds that have Plantera defeated already.

Types

Item Tooltip Chest type Chest content
Jungle Key Jungle KeyInternal Item ID: 1533 Unlocks a Jungle Chest in the dungeon Jungle ChestJungle Chest Piranha GunPiranha Gun
Corruption Key Corruption KeyInternal Item ID: 1534 Unlocks a Corruption Chest in the dungeon Corruption ChestCorruption Chest Scourge of the CorruptorScourge of the Corruptor
Crimson Key Crimson KeyInternal Item ID: 1535 Unlocks a Crimson Chest in the dungeon Crimson ChestCrimson Chest Vampire KnivesVampire Knives
Hallowed Key Hallowed KeyInternal Item ID: 1536 Unlocks a Hallowed Chest in the dungeon Hallowed ChestHallowed Chest Rainbow GunRainbow Gun
Frozen Key Frozen KeyInternal Item ID: 1537 Unlocks an Ice Chest in the dungeon Ice ChestIce Chest (Desktop, Console and Mobile versions)
Frozen Chest (Old-gen console and 3DS versions)
Staff of the Frost HydraStaff of the Frost Hydra
Desert Key Desert Key(Desktop, Console and Mobile versions)Internal Item ID: 4714 Unlocks a Desert Chest in the dungeon Desert ChestDesert Chest(Desktop, Console and Mobile versions) Desert Tiger StaffDesert Tiger Staff(Desktop, Console and Mobile versions)

Crafting

Used in

ResultIngredientsCrafting station
Corruption ChestCorruption ChestShimmerShimmer Transmutation(Desktop, Console and Mobile versions)
Crimson ChestCrimson Chest
Desert ChestDesert Chest(Desktop, Console and Mobile versions)
Hallowed ChestHallowed Chest
Ice ChestIce Chest
Jungle ChestJungle Chest

Notes

Achievements

Achievement Big Booty.png
Big Booty • “Unlock one of the dungeon's large, mysterious chests with a special key.”
Open your first Biome Chest. (Desktop, Console and Mobile versions)
Category: Explorer Explorer

Tips

For elaborate tips on obtaining Biome Keys and Key Molds, see Guide:Farming Biome Keys or Key Molds.
  • Causing a large number of enemies to spawn in the respective biome is an efficient way to farm for the Keys/Key Molds. Events and certain boss fights are especially suitable for this.
  • Placing the player's spawn point/base in one of the biomes can increase their chances of obtaining a key due to the large number of enemy deaths that occur near player bases. This works particularly well for the Snow biome, which is much less dangerous than the others.

Trivia

  • Although there is no Crimson Chest in a world with Corruption, it is possible to obtain Crimson Keys from an artificial Crimson biome, and vice versa.
  • It is possible to obtain multiple different Biome Keys from the same enemy if it is killed in a hybrid biome, although the chance of this happening is very low.

History

  • Desktop 1.4.0.3: Corruption, Jungle, and Hallowed Key sprites updated. Old sprites: Corruption Key (old).png Jungle Key (old).png Hallowed Key (old).png
  • Desktop 1.4.0.1:
    • Added the Desert Key.
    • Changed the Frozen Key's tooltip from "Unlocks a Frozen Chest in the dungeon" to "Unlocks an Ice Chest in the dungeon".
  • Desktop 1.2.1: No longer drops from enemies, and are instead crafted from Biome Key Molds.
  • Console 1.0.750.0: (PlayStation 4)
    • No longer craftable.
    • Now drops from enemies again.
    • No longer drops from Meteor Heads.
    • The player can no longer open Biome Chests until Plantera's defeat.
  • Mobile 1.3.0.7:
    • Ice Chests no longer generate in Heart Shrines, as the structure has been removed.
    • No longer craftable.
    • Now drop from enemies again.
    • No longer drop from Meteor Heads.
    • The player can no longer open Biome Chests until Plantera's defeat.
  • Mobile 1.2.11212: Ice Chests now generate in Heart Shrines (containing different loot).