you must complete 4 chapters of the Chains of Domination campaign (up to "The Last Sigil"). Then, you will receiveMemories of Sunless Skiesand unlock account-wide flying in theShadowlandszones. Players with Expert Riding skill can fly inBastion,Maldraxxus,Ardenweald, andRevendreth. However, not...
In actuality, 10 to 12 hours is the rate an average player can expect to climb all the way from 50 to 60. How you do that is mostly going to boil down to questing around the new zones of Bastion, Maldraxxus, Ardenweald and Revendreth (likely in that order), but there are a few ...