[technically we're the exact same speed. :P but there's a moment for him to steady himself, start calling the beam of light that would unlock his heart. it's not going to be possible to get between, he's got it well braced with his arms framing it, but you knock it aside enough to scrape his shoulder instead of killing him]

[and that wrenches a desperate sob out of him; he struggles, trying to get a chance to have another try, he's starting to cry] Roxas please--please--I'm begging you--don't make me do what Xion did, please--