One thing about modding that fest is that I never get to read the posts on-time; just furiously managing the entries and posting. But I'm definitely going to go through all of them, and this rec makes me want to start ASAP.

I love your description of the Naruto fandom: ninja are basically wizards who know martial arts.

Yeah, pretty much! Which is why I find using Harry Potter themes really easily. I remember using chakra-wards in a fic, based on the idea of wards in Harry Potter, and it felt so natural.