What is this Filth?

What is this Filth? is an achievement in .
==Requirements==
This achievement is earned by defeating Oaxiltso in Veteran Rockgrove.
*You must use all 4 cleansing pools simultaneously to remove the Sludge debuff from 4 different infected party members
==Reward==
*10 points
==Appearances==
*
Category:Blackwood: Achievements
Category:Online: Trial Achievements