Minecraft wiki entry for Feather_Falling, associated text: Feather Falling is one of the rarest enchantments to obtain through an enchanting table. There is only a 2.7% chance for Feather Falling IV to appear on a pair of diamond boots when enchantments that require 30 levels are applied. Feather Falling IV can also be obtained by combining two Feather Falling III enchantments on an anvil, or trading with villagers.