 The season follows the first adventures of Allen Walker, an Exorcist that wields the power of "Innocence" to fight against The Millennium Earl, an ancient sorcerer seeking to destroy the world with monsters called Akuma.Joining an organization of Exorcists known as the "Black Order", Allen teams up with multiple soldiers to collect other Innocences.The season initially ran from October 3, 2006 to April 3, 2007 in Japan on TV Setouchi and TV Tokyo.