Devil Arms are demonic, sometimes sentient weapons that are commonly the manifestation of a defeated Demon's soul or power.
You get to choose any devil arm that appeared in the game series except for Yamato, Rebellion and Devilsword Dante.
Devil Arm (Devil May Cry)
Cost: 12 SP (Descendant of Sparda (Devil May Cry))
Cost: 5 SP (Descendant of Sparda (Devil May Cry))