Why the alternate portraits unlocked by 1000 wins may not be available even if you've completed the achievement.
Information about not getting Ahead of the Curve: N'zoth
Drop isn't guaranteed. You must have rank 3 before you can get rank 4
What to do if your quest is reset, abandoned, or failed
What to do if you didn't receive loot from the last boss in Ny'alotha
Information on the quests in each Chapter in 8.3 to unlock Ashjra'kamas, Shroud of Resolve
Troubleshooting steps for game crashes
When Surfacing Threats cannot be completed due to the ongoing invasion having been defeated
How to disable music in Rock N Roll Racing
What to do if you have not completed the "His Eye Upon You" quest that cleanses this buff but it is missing.