You be makin' headway now, mon. Your be ready to prove yerself worthy of the air totem, but first, ya must fin' Prate Cloudseer in Thousand Needles. She be willin' ta tell ya how to get yer air totem if ya treat her wit enough respect.
Head south through the Barrens, and after ya reach Thousand Needles, head east.
Prate Cloudseer can be found in a cave in Thousand Needles, coordinates are [53, 42].
For the time being, I shall give you what you need to focus your spells and to call upon the spirits of air. Take this totem, and when you are ready, train with me some more.