Go to the Mangano Summer Home on the north side of town and hide behind the stack of crates in its small courtyard. When Mangano's guard approaches, Death Strike him and grab the key off his corpse.

Find Kaineth at the entrance to the Swallows. Once you've seen the creation thereof, Kaineth teleports out, forcing you to run to catch up. It's quite a long trip to reach Kenneth, and you're likely ...