"I have a contract here which you should sign!"; "I sence so much potential in you. It's almost a shame I have to kill you."; "Yes, slay me for the loot I might have. Give in to your greed."; "Wealth, Power, it is all at your fingertips. All you have to do is a bit blackmailing and bullying."; "Come on. being a bit evil won't hurt you.".
He will attack at a certain distance. Therefore, if you approach him, he will run away.
It's the third floor boss. Use it to get your reward.