Quote Originally Posted by Gare View Post
That'd be fine as well. Ni naru and to naru are both grammatical and both are used, I've heard both quite often. Ni naru is used when becoming something is a natural process and kinda just happens on its own due to external circumstances, while to naru signals agency - a definite intention to become something. To naru in this case would reflect Light's intentions better - he doesn't just become a pimp-ass god by chance, that's his goal from his very beginning, that's the thing he's actively working towards.

(I'm not actually that smart, my source was here: http://okwave.jp/qa/q4499016.html )
ZOMG knowing Japanese gives a completely different view to anime.