[Ahhhh nuts. This is gonna be bumpy. Sans's grin widens, in a very "so this is probably a bad idea but we're screwed if we don't do something" kind of sense.]

Welp. I hate doing this without knowing where I'm going, so, uh - if we end up in a wall, just know that I'm very sorry. Probably.

[His grip on Newt's shoulder tightens, preemptively, as he asks the only permission he's gonna ask.]

But it'll get us outta here.

[There's plenty of loose space around here to blip through, but the hard part is making sure he ends up someplace safe enough to let him catch his breath (so to speak). If he ends up clipping through a cave wall, that's gonna be bad news for everyone involved.]