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Old-gen console versionWindows Phone versionNintendo 3DS version
Old-gen console/Windows Phone/3DS-Only Content: This information applies only to the Old-gen console, Windows Phone, and 3DS versions of Terraria.
Biome Key Molds
  • Jungle Key Mold Corruption Key Mold Crimson Key Mold Hallowed Key Mold Frozen Key Mold
Stack digit 1
Statistics
Type
RarityRarity level: 8
    For tips on obtaining Key Molds, see Guide:Farming Biome Keys or Key Molds.

    Biome Key Molds are extremely rare Hardmode crafting materials that are used to craft Biome Keys, which open Biome Chests once Plantera is defeated. After the Wall of Flesh is defeated, every enemy killed within an eligible biome has a 0.04*1/2500 (0.04%) chance of dropping a Biome Key Mold, with the exception of Meteor Heads and statue-spawned enemies. The type of key mold that is dropped depends on the biome the player is currently in (Jungle, Corruption, Crimson, Hallow, or Snow).

    On the PC version PC, Console version Console, Mobile version Mobile, Old Chinese version Old Chinese, tModLoader version tModLoader, and tModLoader 1 tModLoader Legacy versions, Biome Keys drop instead of Key Molds, and all existing Key Molds will change into their respective Keys if any exist in the world.

    Types[]

    Jungle Key Mold
    • Jungle Key Mold item sprite
    Stack digit 9Stack digit 9Stack digit 9Stack digit 9
    Statistics
    Type
    TooltipUsed for crafting a Jungle Key
    RarityRarity level: 8
    Corruption Key Mold
    • Corruption Key Mold item sprite
    Stack digit 9Stack digit 9Stack digit 9Stack digit 9
    Statistics
    Type
    TooltipUsed for crafting a Corruption Key
    RarityRarity level: 8
    Crimson Key Mold
    • Crimson Key Mold item sprite
    Stack digit 9Stack digit 9Stack digit 9Stack digit 9
    Statistics
    Type
    TooltipUsed for crafting a Crimson Key
    RarityRarity level: 8
    Hallowed Key Mold
    • Hallowed Key Mold item sprite
    Stack digit 9Stack digit 9Stack digit 9Stack digit 9
    Statistics
    Type
    TooltipUsed for crafting a Hallowed Key
    RarityRarity level: 8
    Frozen Key Mold
    • Frozen Key Mold item sprite
    Stack digit 9Stack digit 9Stack digit 9Stack digit 9
    Statistics
    Type
    TooltipUsed for crafting a Frozen Key
    RarityRarity level: 8

    Crafting[]

    Used in[]

    ResultIngredientsCrafting station
    Old-gen console versionWindows Phone versionNintendo 3DS version only:
    Corruption KeyCorruption Key
    By Hand
    Old-gen console versionWindows Phone versionNintendo 3DS version only:
    Crimson KeyCrimson Key
    Old-gen console versionWindows Phone versionNintendo 3DS version only:
    Frozen KeyFrozen Key
    Old-gen console versionWindows Phone versionNintendo 3DS version only:
    Hallowed KeyHallowed Key
    Old-gen console versionWindows Phone versionNintendo 3DS version only:
    Jungle KeyJungle Key

    Notes[]

    • Key molds can also be dropped by bosses, like any other enemy, if the player is in the right biome.
    • Enemies in artificially created Corruption and Crimson biomes will still drop appropriate key molds, even if the world does not have a corresponding Biome Chest.
    • Because of how many slimes it spawns during the battle, the King Slime is an efficient way to get biome key molds.

    Trivia[]

    • Unlike some real-world molds, these are consumed in the crafting process and cannot be reused.
    • Although the key molds were removed in 1.3.0.1, their sprites still exist within the game files of the PC version PC version.
    • Since it was added after the removal of Key Molds, the Desert Key does not have a corresponding mold.

    History[]

    • Desktop 1.3.0.1:
      • Keys to Biome Chests are now dropped instead of molds.
      • Biome Chests can only be opened after Plantera has been defeated.
      • Removed. All molds obtained in previous versions have been replaced with keys.
    • Desktop 1.2.3: Drop chance increased from 0.025*1/4000 (0.025%) to 0.040*1/2500 (0.040%).
    • Console 1.0.933.1: (Xbox One)
      • Keys to Biome Chests are now dropped instead of molds.
      • Biome Chests can only be opened after Plantera has been defeated.
      • Removed. All molds obtained in previous versions have been replaced with keys.
    • Console 1.0.750.0: (PlayStation4)
      • Keys to Biome Chests are now dropped instead of molds.
      • Biome Chests can only be opened after Plantera has been defeated.
      • Removed. All molds obtained in previous versions have been replaced with keys.
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