Allen Walker was born with a deformed arm. His parents abandoned him. But Mana Walker found and raised him. A few years later, Mana died. The evil Millenium Earl Decided to resurect him and turn him into an akuma, a demon. When the akuma was resurected, it sliced open Allens left eye open, turning his arm into an enormous anti-akuma weapon destroying his demonized father. Later another man with the same arm asked him to become an excorsist. Now, If you had an anti-akuma weapon whot would it be?