Unlock Recipes
Right-click the manual to learn it and unlock new recipes at the Blacksmith.
Access the Tempering tab by Diablo 4 Items clicking on the anvil icon in the Blacksmith menu.
How to Temper Items in Diablo 4
Choose an Item
Select the gear piece you wish to upgrade, ensuring it has open Tempering Slots.
Apply Tempering
Insert your desired affix using the recipes unlocked by Tempering Manuals.
Magic, Rare, and Legendary Manuals provide increasingly powerful affix rolls.
Each item has Tempering Durability, which cheap Diablo 4 Items determines how many rerolls you can make.