6th Anniversary Party Cube Manage (Event) 20-day limited period
When you double-click, the reward is created. What reward will you receive? That depends on how lucky you are. One use per day. Reuse Delay 23 hour. Cannot be exchanged, dropped, or destroyed.
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.