Fan Fic / A New Ninja Challenger

A New Ninja Challenger is a Naruto fan fic about a Ninja named Zazakru challenging Naruto.

Or at least it was. Instead, it morphed into a fan fic about several different series, all colliding in a battle called Anime Arena.



http://tvtropes.org/pmwiki/pmwiki.php/FanFic/ANewNinjaChallenger