Biome Key Molds

Dungeon Key Molds are extremely rare Hardmode items used to craft Dungeon Keys for Dungeon Chests. When in hardmode every enemy has a 0.04% (1 in 2500) chance of dropping a Dungeon Key Mold. The type of Dungeon Key Mold that is dropped depends on the biome you are currently in (Jungle, Corruption, Crimson, Hallow or Snow). Farming these molds can take multiple play sessions.

Tips

 * Biomes can be mixed - any of the designs below can be upgraded via biome-respective blocks to drop several of the molds. Note that Corruption, Hallow and Crimson cancel each other out.
 * During a Blood Moon or similar events, travel to the biome you want to find a mold in. The massive amount of enemies will help you to get the mold. grinding box.PNG
 * It is a very easy way to simply use the Spiky Ball Trap method and keep your computer running while you go and do something else. Check back in a few hours and you might have at least one mold. Sometimes a mold will drop quickly, other times it will take several hours or days; it just depends on luck.