A protagonist in Tales of Destiny. Leon is very brooding and complex at times, and is the youngest swordmaster to serve the kingdom at age 16. He only opens up to a maid named Marian. Leon wields the Swordian of Earth, Chaltier. His seiyuu is Midorikawa Hikaru.
He is Rutee Katrea's younger brother, his real name being Emilio Katrea. Sadly, Leon does not survive to help Stahn and Rutee fight the final battle due to his injuries and tremendous guilt.
