Mystic Yayo'jin at Revantusk Village in the Hinterlands wants you to kill 15 Vilebranch Scalpers and 10 Vilebranch Soothsayers. Return to her when this task is complete.$B$BYayo'jin indicated that these trolls could be found near the Shaol'watha and Agol'watha temples in the north by northeastern region of the Hinterlands.