Archmage Khadgar was planning an expedition to Azsuna – you should seek him out at Krasus’ Landing in Dalaran immediately.
Speak with Archmage Khadgar at Krasus’ Landing in Dalaran.
Archmage Khadgar: There you are, (name). Azsuna awaits.
Archmage Khadgar: Perfect. Up for a little trip down to Azsuna?