Biome key molds are hardmode items that have a 1 in 2500 chance of dropping when a mob is killed in a corresponding biome. What if you could farm them while AFK? In this video I show you how to setup a simple ocean biome farm. We also look at a handy trick to farm heaps of platinum while were at it! Enjoy :)\r \r ★Expert Modded Archer★ \r ★Expert Modded Yo-Yo★ \r ★Expert Spirit Mod★ \r \r