"That's good," he says outloud to Syrlya more than the Mother of Invention, only because he read body language and is now accessing the situation. Yet he hasn't seen Sans this calm in a while and part of him senses something is up.

His visor scans both Sans and Syrlya, glancing them over. It's a gamble to reveal himself he realizes, given Sans can scan him in return, but this was his partner and he'd rather him not another brainwashed toy again.