What?
Any man would be pissed that his sis is selling her body for money. As for that dude that led him there, he either needs to run or fight.
"You don't know anything." Girl, try dying. He killed people, helped a count find that even the lowest merc knows the pain of being backstabbed, giving a tortured soul the real desired result. So don't you dare say those words.
That, and he came across a nice payout as well.