[Roxas swallows thickly, watching her raise her arm, forcing himself to look past the rivulets of blood and onto the patches of silvery skin beneath her arm.

Scales. She might be human, but she's changing into something like Walter. He looks at her other arm, biting his cheek enough to draw a little metallic taste as he tries not to think about the ripped flesh. More scales. She's changing--and really quickly. He breathes in deeply, and his chest expands to show it; his lungs have gotten bigger since he's changed.]

I think I know what's going on with you. [He looks back at her, but he's taking a step back, towards the tree again.] I don't know if it'll all happen at once, but we've gotta get you to some water, now. [If her legs decide to fuse, Roxas has no idea what he'll do.] I know where there's some water nearby, but... you've gotta promise me something before I take you there.