With Season 4 making a substantial number of changes to Diablo 4, many will soon find out that, while you can visit the blacksmith to repair your weapons and gear, you can’t upgrade them. Can you still upgrade your weapons and armor in Diablo 4 Season 4: Loot Reborn? Well, let’s find out.Diablo 4: Can you still upgrade weapons in Season 4?Yes and no. Weapon and gear upgrading has undergone a revamp following the release of Diablo 4 Season 4: Loot Reborn and the introduction of both the Tempering and Masterworking systems. These systems effectively replace the traditional weapon and gear upgrading we have used since the game’s release. And, to be completely honest with you, it’s a long overdue change since upgrading weapons was pretty much pointless unless you had an endgame piece of gear that would be replaced by a new one five minutes after upgrading.Diablo 4: Tempering, explainedTempering is somewhat of an upgrade system that, instead of upgrad…