[ He must have escaped their notice when he washed ashore. ]

It's the biggest problem in this place.

[ He pushes against the door, hesitates, then steps forward to sit closer to him, taking up a seat on a chair across from him. ]

Blood corrupts. The more that's spilled through violent means the more it corrupts the world and the one who spilled it. It can drive them mad and turn them into beasts.