Items, NPCs, quests, objects and spells of patch 1.12.1, read live from the realm itself.

Heavy Mithril Boots

Quest Level Side

The World At Your Feet 45 Both
Source How Reagents

Heavy Mithril Boots Blacksmithing (1) Mithril Bar ×14Thick Leather ×4
Item Count Chance

Dream Dust 1-2 75.0%

Greater Nether Essence 1-2 20.0%

Large Radiant Shard 1 5.00%