Mages And Tenders

Enter the gulch and take the left fork in the path. Kill any sludge mages and sump tenders you encounter. Return to Relin once enough mages and tenders have been slain. - Mages and Tenders (0/14)

Relin says, "The sludge mages and sump tenders appear to be in charge of many of the sludge pools within the gulch. If we want to destroy the sludge we will need to deal with these Ksaravi first." "Can you enter the gulch and kill the sludge mages and sump tenders so my agents can destroy the sludge?"