Something I've noticed and I'm not sure if I'm doing it right or not but, lately I've been leveling some alts, which Legion has not been friendly to, and I'm not sure if I'm missing something but is the class hall campaign progression gated behind your progress of each zone?
I ask this because ever since the Invasions have been introduced, I'll hop on an alt when an Invasion starts and do the quests they offer so for the large XP gains they give and hop back off, while rarely ever doing the zone stuff. I'll ding 110 but I have to go back and do each zone to gain more progress in my class halls. I love this expansion, but having to do each zone just to progress is tedious and frustrating.
Is there something I'm missing or is this the route alt lovers are doomed to relive, over and over again?