Haa? [ His head tilts the other way, and the other ear flicks before Gen realizes ] -- oh, I didn't tell you.

[ Then he casually holds his hand up, letting her see him flexing his fingers, before plunging it into the sheer surface of the cliff before him, straight up to the elbow. There's no digging noise, no displacement of dirt, nothing. His hand slides in smoothly, like through water, then pops out just as easily when he withdraws his hand to show her again. ]

Some weird new ability I got when I came to this side. I can move through the ground.

[ And then a brief pause before he frowns. ]

I can't take you with me, though. Living things are hard.