Necrolords assault not completable

[Shammoz-terokkar (Shammoz)]

A lot have found that this workaround resolves that quest issue.

Bugged Covenant Assault Quest: Putting a Plan Together

To quickfix this issue or similar ones you can phase to another shard through LFG or turn on/off WM. You can report bugs ingame as CS doesn’t forward nor handle them: Retail WoW Press Esc or click the ? button to open the menu. Click Support. Click Submit feedback or bug report. Enter the details of the bug into the Submit a bug description box, making sure to follow the guidelines outlined on the submission form. Click Submit.