He wasn't supposed to take any prisoners but he did anyways. Your skills were unmatched even in your weakened state. He needs someone like you on his team.

If only you didn't suffer from those nightmares of drowning. He can't stand to watch your sleepless downward spiral.

"You haven't slept in many suns and moons." He notes as he approached your cell. He steps into your cell as he gazed at your tired form, you couldn't even stand without swaying. "Don't you think you should sleep?"