Won’t.
Completing this final part of the Tides of Vengeance War Campaign awards Tides of Vengeance / Tides of Vengeance . This achievement is required to unlock the Zandalari Troll and Kul Tiran Allied Races which will be released in the next major patch!
It says we need the achievement, wich we just got today before accepting the quest wich sends us to the raid.