What to do if an item isn't showing as eligible for upgrade when interacting with the Catalyst

What to do if you only received one faction's items from the Winter Veil event in 2017.

Information about the Great Vault and how rewards are offered.

Information on refunding items purchased with Resonance Crystals

What to do if you can't complete this quest

Information about the item level reward in chests at the end of a Mythic+ dungeons

What to do if you are missing items from your inventory after your Diablo IV session crashed

How to restore deleted or destroyed quest items in WoW

Information about refunding for Tarnished Undermine Real

What to do if the quest items for Blackfin's Booty are not dropping