What to do if you accidentally abandoned a quest and lost progress already made.

A character who has ever died cannot gain the Soul of Iron aura

Information regarding undeleting Diablo Immortal characters.

Information on restoring Clans in Diablo Immortal

What to do if a World of Warcraft profession or specialization was mistakenly unlearned

How to recover the Tabard of the Argent Dawn

What to do if you didn't receive Marks of Honor or they disappeared.

How to attach an Authenticator to your Battle.net account

Information regarding lost endorsement levels.

What to do if you accidentally traded gold or an item to the wrong person.