How Do You Unlock Horadric Powers? You’ll earn components for Horadric Powers by Diablo 4 Items playing Season 9 content:   Catalysts, Infusions, and Arcana drop from seasonal bosses and events.   Jewels can be found in dungeons, world events, and through specific challenges.   A new Spellcrafting Interface lets you assemble, preview, and slot your spells.  ...