Tateossian Accessory of Fortune Pack (S-Grade) 90-day limited period
When used, you acquire a Tateossian Accessory Set. Expires after 90 days if not used. Cannot be exchanged or dropped. Can be stored in a private warehouse.
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.