4fb22cfc_nia___RuneScape_Guide___RuneHQ__Description
[#] 4 [Task] Cranius Lupus [Notes] You will need a Ring of Charos to access the Werewolf Agility Course area. If you lost it, you can obtain it again by pick-pocketing Doctor Fenkenstrain in his castle found north of Canifis. If you have completed The Great Brain Robbery, then Doctor Fenkenstrain will be found on the Harmony island. [Quest Reqs.] Creature of Fenkenstrain [Skill Reqs.] 25 Agility [Description] 
Finish a game of Werewolf Skullball.
Morytania - RuneScape Guide - RuneHQ