Once you get back inside the mansion, a cutscene plays and a hunter appears. You can kill it or flee, keep in mind that you will be passing through this corridor a lot, so you might as well kill it, ...

In the south of the major settlement in Rostok, you'll find a Barkeep underground. Speak with him and ask for a job, in which he'll then task you with clearing out a nearby bandit base, recommending ...