The mention of a 'mechanical being' Papyrus takes in stride, if with a degree of intrigue about the specifics. A robot, or some other meaning of the word? But there's questions, and he can always look for this Nightshade himself if he's really curious.

"It's no problem! I'm not opposed to giving others a turn at the conversational wheel," he reassures with extravagant graciousness. "I... Hmm." His jaw opens and shuts as he frowns towards the ocean. "I was a sentry. But, I was about to be unemployed. So maybe whatever livelihood I pick up here will be the hot topic to ask about..."