Ben 10: The Ultimate Legend

The Ultimate Legend is a fanfiction crossover of Ben 10: Ultimate Alien and Avatar: The Legend Of Korra, written by TerrorKing10.

Plot
Professor Paradox transports Ben to a steampunk world where some people can bend one of the four classical elements. The Ultimatrix bearing hero befriends a teenage girl named Korra, who happens to have the title of Avatar, and now his mission is to help her preserve balance in the world.

Heroes

 * Ben Tennyson
 * Avatar Korra

Villains

 * Amon
 * Lieutenant
 * Chi-Blockers
 * Tarrlok

Aliens
(Aliens will be added as story goes on)
 * Wildmutt

Chapters

 * 1) When Legends Meet