This addon is an expansion of "Meta Achievment Tracker: Core" which can be found HERE

WoW Addon Expansion with over 5,000+ lines of waypoints, guides and data that enables you to track your progress for all "Back from the Beyond" (Shadowlands Meta-Achievement) related achievements and objectives - all in one place.

Are you trying to complete the Shadowlands Meta-Achievement "Back from the Beyond"? Are you looking to complete it quickly, efficiently and without spending 70% of your time on websites reading up guides and copying waypoint coordinates?

Well then you have come to the right addon.
Made by Completionists, for Completionists.