Hmm, I guess that would explain the flickering... [It's easier to identify the direction of the voice if they're actually conversing, so Ren's movement closer starts to get a little more sure when Sheryl's actually speaking.

He has to stop himself from laughing at the idea of him ever having a power like that, though - light was never really his area.] I'm afraid not...I guess yours isn't either? I'm starting to wish I brought a torch...

[He's getting reasonably close to her now, judging by the sound of his movement and voice, and is slowing down again so he doesn't end up bumping into her.]