[ He had no idea about this secret side to Muffet. She's kinda blowing his mind, here. What the heck, lady.

He puts up his hands in surrender, but the real reason? ]

Great. Now I'm hungry.

[ And here they are, up on a mountain. Sans directs his attention to the empty mana pool. Or, at least, that's what he suspects it is. ]

That thing over there, looks a lot like the pool back at, uh, camp. Too bad it's dried up, I'd call it a day.

[ And leave everyone else to keep working? Yeah, he would. ]