Location: This quest takes place in Loch Modan.

Shortly: Wanted Poster in Thelsamar wants you to kill Gorick Guzzledraught.

How to: Climb the hill south of the town. The climbing path starts from the east of the hill. On the hill you will find a cave in which Gorick is. Near him you will also find a scroll that starts the Quest: Explorers’ League Document (1 of 6). You will also loot Gorick’s Stash List which tells you of the places of all other hidden documents. These are the locations you need to check;

Guide for Loch Modan Quests; Explorers' League Document 1 to 6
Guide for Loch Modan Quests; Explorers' League Document 1 to 6

Report to Magistrate Bluntnose in Thelsamar afterwards.

The Rewards are 10 silvers.