Clark watches very closely. He's still a bit wary of this whole thing, but he's committed to it now, and the benefit might outweigh the risks.

There's a strange sensation, almost like the gentle heat of sunlight, concentrated around the area of the scar. It doesn't hurt, exactly, but it's not entirely comfortable either. Bit by bit, the dark lines fade, until there's little left but silvery white, not really noticeable unless you're looking for it.