Minecraft wiki entry for Nether_survival, associated text: For armor, a combination of both Protection and Fire Protection are helpful. Most water-related enchantments such as Aqua Affinity and Respiration offer no use in the Nether at all; however, Frost Walker allows you to walk normally across magma blocks without taking damage, which can sometimes make traveling in the Nether easier. Enchanting your boots with Feather Falling can save your life by allowing you to drop down onto low terrain more safely. You may also enchant your boots with Soul Speed to traverse soul sand valleys at higher speeds, since walking on soul sand slows you down if you lack that enchantment; but keep in mind that moving too quickly means an easier time walking off ledges (and worse, into lava).