Patch 11.0.7 adds a new meta-achievement for The War Within expansion and two mounts for everyone to earn! Check them out!
Shadow of Doubt Mount
The War Within Expansion meta-achievement is called 
You Xal Not Pass. It rewards the 
Shadow of Doubt mount. This is the unused black tint of the War Within Shadow Elemental mounts.
The Breaker’s Song Mount from the Siren Isle Meta-Achievement
Isle Remember You, a new meta-achievement for the small Siren Isle zone, will award you with the 
The Breaker’s Song mount upon completion. This is a flying ship mount. The achievement is required for You Xal Not Pass, so effectively, you will end up with 2 mounts!
Isle Remember You has the following requirements:
A Song of Secrets
Siren-ity Now!
Excavation Projects
Clean Up on Isle Siren
Treasures of the Storm
A Choir of Citrines
