Heheh, actually there is indeed a movie where something similar happens. It's a japanese movie where the hero has to fight several monsters to obtain several treasures which in turn helps him defeat some multi-headed dragon-god-thing..... Well, in the end he grows to giant size and gets an actually vaguely similar looking armor, though I think the one in the movie had golden wings to make it even more over the top than it already is. Heheheh. But yes, from what little I have seen of sailer moon that would probably fit too.
Heheh, actually there is indeed a movie where something similar happens. It's a japanese movie where
