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Wings are good thing in MU. They provide quite great absorption of damage and increase damage as well as giving speed. There are 3 levels of wings. Exceptions are capes, cape of lord, and mantle of lord.

Level 1 wings:

• Wings of Elf
• Wings of Heaven
• Wings of Satan

Its basic when you make 2lvl wings! Level 2 wings:

• Wings of Devil
• Wings of Darkness
• Wings of Spirits
• Wings of Archangel.