12 4 1Actions Report Solution This is the last quest in the Thieves Guild quest line, and you must reach a Thieves Guild skill level of 8 before this is available.Showing only comment. Leave a comment. I’m not sure if this has been changed, but it is incorrect that you have to be level 8 with the Thieves Guild. Simply complete the Zone Story for Hew’s Bane, I finished with a Thieves Guild skill level of 4.Posted by Gas Leek on 15 Jan at 01:38 Leave a comment