To obtain Wings 4 lvl you must collect all Talisman of Wings (1,2,3,4,5,6).
Talisman of Wings drop from Talisman of Wings Box in Vulcanus map:
If you collect all Talisman of Wings go to Lorencia (130x147).
Remember if you go to exchange class Blade Master you obtain
wing to Blade Master. If you go class Soul Master you obtain wing
to Soul Master! Etc.
You obtain wing who class go to exchange!
We not exchange if you go wrong character!