It doesn't matter whether they're dead or not, not while they're here. This place is screwed up, but it's a chance to fix things from before. Not that this is how he's meant to fix them, but it's what seems right in the moment.

Never trust your feelings. Don't allow yourself to need.

It's a mantra he knows well, and one he's pushing to the back of his mind. Riddick can't think about that now, not with her beneath him, his knee moving between her thighs and his hand following. He wants her, maybe even needs her. It terrified him before this place, and he fucked things up in Gotham because of it. He knows that now, and he knows he's not going to do that again.