Siegfried had played host to Soul Calibur and, ultimately, destroyed Soul Edge. After that epic battle, the knight returned home and enjoyed a brief period of peace. But deep down he knew his work was not over; the cursed sword's minions-the malfested-remained a serious threat. Realizing he couldn't stop them alone, Siegfried gathered his staunchest allies from his old clan known as Schwarzwind, he reformed the clan of thieves into a clan of mercenaries. One day, after more than a decade of service protecting humanity from the malfested, Siegfried discovered that Soul Calibur had transformed into a new one-handed sword-a clear harbinger of Soul Edge's return. A new champion to wield Soul Calibur would need to be found; Siegfried assigned the task to Z.W.E.I., a wandering swordsman who had joined his mercenary group. "So... The time has come..." Soul Calibur, like Soul Edge, possessed dangerous power. Siegfried quietly awaited the one who would be worthy to wield it...