 Of these, only Amy and Revenant would be included in later installments, with the former expanded into a full character and the latter appearing as a boss alongside Zasalamel.was initially introduced as a background character for Raphael, as a young girl who hid him from his pursuers and taken in as his foster daughter in a debt of gratitude.To secure a future for her, he left Amy behind to pursue the cursed sword Soul Edge, with plans to present it to the nobles that pursued him so they would be overtaken by its curse and destroy each other.