Mysterious Slaughter Dye
Take it to the Dye Merchant in town to get a 1-day tattoo that grants certain bonuses (PvP damage -2%, Damage Reflection Resistance +2; the effect level is increased with PvP kills, up to Lv. 5). Requirements: all classes after the Awakening. Note! The tattoo is only effective in PvP zones.
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.