Mysterious Debuff Resistance Dye
Take it to the Dye Merchant in town to get a 30-day tattoo that grants certain bonuses (Infection/ Stupor/ Confusion/ Obstruction Resistance +20, Buff Cancel Resistance +20, P./ M. Debuff Reflection Rate +5%). Requirements: all classes.
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.