The team from Nexon America has provided us with this info on the T-Bird a mount only available to players from July 16th until July 23rd.

From July 16 to July 23, Nexon is making available the Thunderbird, a flying mount of rare beauty with dashing blue feathers that appear soaked in the indigo sky of Iria.

There is a fascinating legend concerning the Thunder Bird--namely, that lightning strikes from its sharp beak and thunder roars when it flaps its wings. For many years, Thunder Birds were regarded only as creatures of wonder, leaving little else known to the public.

Read The T-Bird Mount