Prestige Cube
PA Cube. Double-click to obtain one of the following items: Dark/ Bloody Eternal Upgrade Stone, Scroll: Enchant S-R-grade Weapon, Blessed Scroll of Resurrection, High-grade Elixir Pack, Destructive Energy, Giant's Power. Can be used once a day. Cannot be used in the Olympiad.
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.