It's a relief that he doesn't question the statement out loud. She can't give all the details she would want to if he did, because she's trying to keep her world-hopping as quiet as possible. They shouldn't have had any way to find out that she traveled between worlds a lot, and if they don't know then she sure as hell doesn't want them finding out.

"For a little while I lived in a world that was covered in darkness at night. If someone died in the darkness they became part of it. It made them monsters."

They'd been balls of anger, sorrow and pain, all so profoundly strong that the first few months dealing with them were dizzying. The only thing those monsters could feel was suffering. It made it easier to kill them. It relieved their suffering until the darkness recreated them. Rinse and repeat.

Nill doesn't move to sit, but she does set her helmet of supplies on the ground by her feet, and leans her back against the wall, ignoring the way it squashes her wings. They were gonna be sore as hell later, but it took some of the weight off her ribs.

Her expression goes a little surprised, but it doesn't last long. It seemed like all of the trolls have nightmares, and they were all awful. Of all the awful things she could think of, it seems very understandable that they would want to avoid the dreams if it involved killing their friends.

"Yes. It would bother me more if you dreamed of me killing you."

While she hasn't exactly seen someone trying to kill her through their eyes before, seeing herself afraid or betrayed was considerably more appealing than seeing herself trying to hurt one of her friends. She could live with it.

"I know you wouldn't do that to me."