: Allen uses his "Innocence"—a mysterious holy substance—to transform his left arm into a massive claw, allowing him to destroy Akuma and save the trapped souls within them.
The first episode of , titled " The Boy Who Hunts Akuma ," introduces Allen Walker , a young Exorcist with a cursed eye and a powerful left arm. Set in a fictional 19th-century world, the story follows Allen as he joins the Black Order to fight against the Millennium Earl and his tragic, soul-infused monsters known as Akuma . Episode 1: "The Boy Who Hunts Akuma" (2006) D.Gray-man Episode 1
: It ends with a shocking cliffhanger involving the fate of Allen's master, Cross Marian . Where to Watch Episode 1: "The Boy Who Hunts Akuma" (2006)
: The episode highlights the grim nature of Akuma: they are created from the souls of the dead by the Millennium Earl, and the trapped souls are forced to murder against their will. " introduces Allen Walker
Watch the first episode to see Allen's first major battle and the dark introduction to the world of Exorcists: D.Gray-man (Season 1-2) | E1 - The Boy Who Hunts Akuma Crunchyroll• Aug 25, 2017