Find Beastslayer is the eleventh optional quest. It is obtained by talking to Jessie in Kalm, near Kesha's Place. The objective of the quest is to kill Tempest Lizard in the Barrens, retrieve the Beastslayer Arrow and return it to Jessie. Tempest Lizard may spawn anywhere in Barrens and its location is pinged on the minimap.
Successfully completing the quest is rewarded with 300 Gold, 200 EXP and the ability Improved Marksmanship. This ability replaces the Archer's skill Marksmanship and gives Archer a 25% chance to deal 3x normal damage on an attack.