V's body language conveys relief, fairly strongly at that.

"I will agree, the answers did prove correct, but having a voice in my head whose source I cannot trace is stressful."

Someone installed that sigil - marked them - and was presumably responsible for the voice as well.

M-Bot chirps again, attempting to nuzzle and thus provide comfort; V keeps still to not disturb the gesture.

"... Would you be willing to talk about yours?" His knowledge had to come from somewhere.

Oh. "My name is V." And Serph knew M-Bot's, now.