it's explained on this page here on rochand forum and as Tif explains this has yet to be activated, my guesstimate is that it will be soon in NC Store as a promotion ;)
Mysterious Human Dye Elemental stats + 10, Debuff Resistance + 1%.
Mysterious Elf Dye Water Resistance + 20, P. Critical Rate + 10, M. Critical Rate + 10.
Mysterious Dark Elf Dye Wind Resistance + 20, P./ M. Critical Damage + 1%.
Mysterious Orc Dye Fire Resistance + 20, HP/MP/CP + 1%.
Mysterious Dwarf Dye Earth Resistance + 20, Skill Cooldown + 1%.
Mysterious Kamael Dye Dark Resistance + 20, PvP Damage + 1%.
[1-day limited 4th dye]
=Mysterious Slaughter Dye Damage received from PC - 5%, and Damage Reflect Resistance + 5 in castle sieges and dimensional castle sieges. Skill levels up each time you kill a PC.
==Mysterious Slaughter Dye Damage received from PC - 10%, and Damage Reflect Resistance + 10 in castle sieges and dimensional castle sieges.
===Mysterious Slaughter Dye Damage received from PC - 15%, and Damage Reflect Resistance + 15 in castle sieges and dimensional castle sieges.
====Mysterious Slaughter Dye Damage received from PC - 20%, and Damage Reflect Resistance + 20 in castle sieges and dimensional castle sieges.
=====Mysterious Slaughter Dye Damage received from PC - 25%, and Damage Reflect Resistance + 25 in castle sieges and dimensional castle sieges.
======Mysterious Slaughter Dye Damage received from PC - 30%, and Damage Reflect Resistance + 30 in castle sieges and dimensional castle sieges.
The Slaughter dye has levels, each new line below the first is the next level effect, up to lvl5.
L2Store only.
it's explained on this page here on rochand forum and as Tif explains this has yet to be activated, my guesstimate is that it will be soon in NC Store as a promotion ;)