"Shh. You did what you had to. If it was the only way..." Vriska didn't think things through, Nepeta knew that all too well. And Gamzee had killed her and Equius - no, if she'd seen the future and been given the chance to change things, wouldn't she have too?

She just keeps on petting her hair, comforting her the only way she really knows how, making small hushing noises. And no, it's not pale, she doesn't pity Terezi, she simply doesn't want to see her so unhappy.