I traded my soul to become this. I thought the power would be enough. To protect my people. To avenge them. The first time I killed myself here, it was because I realized I'd gotten the opposite of what I'd paid for.

[Arthas carefully cups his hand over Riddick's shoulder - just to be comforting, not to try and roll him over.]

They didn't let me stay dead, because life isn't that easy. It's not that merciful. You can't just stop. Even if you're broken. You are forced to continue. I won't be the only person that refuses to leave you alone.

[If Riddick lets him, he'll start rubbing a line down and up his back. Maybe this isn't comfort, because comfort doesn't exist.]