The patch notes for the first Patch 10.0.7 PTR build, and there is a big note for players with a lot of alts who have an interest in collection: The Balance of Power questline from Legion rewards will finally be account wide!
Balance of Power is a long questline from Legion that spanned a significant portion of the expansion, requiring ventures into many Legion Mythic dungeons, multiple visits to the Emerald Nightmare and Nighthold raids, and rep grinding some of the Legion reputations.
