The Nozdormu quest is misleading at best or flatly bugged

[Aegaeon-1787]

It’s a bug with completing any quest in Casual, not with the Noz quest.

From the Bug Report Forum (it’s the last item in the most recent list in the post):

21.4 Live Known Issues

Hello all, We wanted to let you know about some known issues we are tracking with patch 21.4. We will continue to update this post as we get more information. We’re aware of a visual bug where Rewards Track progress is not being shown. The XP is still being earned and tracked, but we are working on fixing the visuals to match. (Resolved 10/13): Some players had their Battlegrounds rating reset after downloading the patch. We have addressed the problem causing this issue, and are continuin…