Though Lambert falls firmly in the category of people who want to hurt people, he and Papyrus share this particular wavelength, at least. His interest in the Mirror extends as far as its ability to help the people he cares about, and he isn't convinced there isn't a catch here waiting to be sprung on them.

With Peridot shuffling on the other side of Tyki's shoulder, though... he's going to reach around behind the man's head and plant a paw on her back. Settle down, Peridot.