Originally Posted by
greg098
I suspect that in BFA this is what will happen:
WOTLK Timewalking: Wintergrasp Weekly Brawl
CAT Timewalking: Tol Barad Weekly Brawl
WOD Timewalking: Ashran Weekly Brawl
This would explain why the achievements are now FOS in BFA. I can see them opening the Ashran zone but not have a battle active. This would mainly be because of certain items that drop from mobs in ashran needed to make the garrison auction house.
This also relates to what Ian said about wanting to make more content for timewalking in the future in the last Q and A.