Red Dimensional Stone
Stone that distorts space and time. When used after clearing the Pailaka quest, you can enter 1 more time. Cannot be exchanged, dropped, or sold. Can be stored in a private warehouse. Reuse delay is 5 hours.
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.