[Taking the grief seed, he uses it to clear out his own Soul Gem. His is noticeably darker to start, although maybe that's partly because the light shining from it is a bit gloomier in general.]

Okay, good as new. [With his Gem back to normal, he reverts to his human form in a flicker of light that somehow manages to look shadowy and gives Madoka a considering look.] Y'know, you're packin' a ton of power and got a lot of potential but your style could use a little work. If you want, I could show you a few moves.