Leona's Cube
Leona's cube. Double-click to obtain 1 of the following items: Emperor's Rune Pack (2-hour), Emperor's Vitality Tonic, Scroll: 10 mln/ 5 mln/ 1 mln SP. Can be used once a day. Available for 30 d.
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.

