Go to the Tower Entrance, ASK GUARD PRISONER -> the guard will break the key in half and throw half out the window, KILL GUARD GET KEY CORPSE, CLIMB (or fly) DOWN -> beware of the Deathtrap! GET KEY, CLIMB (or fly) UP -> unless you're on a DT tour, go to the Smithy, ASK SMITH REPAIR KEY, GIVE KEY SMITH 2* -> he repairs the key and returns it to you, return to the Tower Entrance, UNLOCK EAST, OPEN EAST, go EAST -> the prisoner will escape *You receive exp!
credit: <a href="http://www.legenddb.com">legenddb</a>