[Shockingly, Mephisto doesn't laugh when he falls, merely hiking up the stairs and staring down at where be vanished before he comes floating back up.]

[But Chuuya's words only cause Mephisto to tilt his head in confusion -- lips turned up in a pout.]

You keep saying things as if I need to be given your permission to do them. If I had no desire to follow you, I would have already left.

[Which means teleporting to the top of the stairs, waiting for Chuuya to catch up.]