[ Rau would raise an eyebrow at Rey's name if he wasn't wearing a mask; because the mask cuts judgmental facial expressions in half, that obvious answer just gets a momentary thinning of the lips -- an amused but slightly reproachful really now. But he doesn't draw away and, however obvious the first answer may be, both answers are excellent starting points. After a moment Rau decides to pursue the latter. His voice is back to being conversational, amiably accepting the capture of a pawn. ]

We did share a mutual interest in my staying alive and functional, for a time. But ultimately, I wanted to stay alive long enough to see humanity destroy itself, while you preferred to avoid Muruta Azrael's nuclear tantrums.

[ Of course, it's easy to be amiable when, to his mind, he's lost the pawn to take a knight. ]