Is that Dragon Weapon?
Double-click to obtain Dragon Weapon Pack (1 pc.) or Aether (1000 pcs.) Chance to obtain Dragon Weapon Pack: 9%. Chance to obtain Aether (1000 pcs.): 91%.
Not dropped by monsters.
Cannot be spoiled.
The chances are official (x1). On servers with x10, x100 and higher rates, drop and spoil come more often.