Callow Flayedwing — is a rare-drop mount, which you can get from a special egg, which drops on Maldraxxus elite-mobs. You can do a lot of tries, or can buy Callow Flayedwing farm service on Balalaikaboost.
We know, all mobs, with the best drop rates, and can create for you a special group, which will help you get Callow Flayedwing from a special egg.
All that you to need is:
Notification: Your mount will drop from the egg, after 5 days of egg cooldown. Safe egg, and don’t put him out your bags!