You ask him about his past

“I'm a Northerner, though I guess you could tell on account of my less than subtle eyes. But I guess what you're asking is what led me to be here...” Pasi pauses, taking a moment to deliberate the matter. “I did mercenary work. But not the people kind. I specialised in killing monsters for high prices. Monsters who wear the face of men. Monsters who scream with a hundred voices at once, begging you not to kill them, while slashing at you with a half-dozen paws. So, I guess you could say I came here to try my profession somewhere new.”

The both of you engage in more and more discussion, as he recounts tales of his past way beyond your usual bed-time...