With all the new Diablo 4 Season 4 PTR changes it’s hard to take in everything that Blizzard is implementing. There are two new crafting systems called Tempering and Masterworking arriving in Diablo 4‚ but how do they work? What is the Tempering crafting system in Diablo 4? As described in this Blizzard blog post‚ Tempering is a crafting system coming to the Season 4 PTR that will allow you to add affixes to items using a new reusable item through a Blacksmith. This reusable item is a Temper Manual‚ and they can drop from practically anything. Image: Blizzard You can use Temper Manuals an unlimited amount of times‚ and they come with more than just one affix‚ although you can attach them one at a time. If you’re unhappy with the affixes‚ you can reroll them up to their Temper Reroll limit. Each Temper Manual is categorized like the Codex of Power‚ and while most items can only have Tempered affixes from one category‚ Ancestral items can have two affixes fro...