The story takes place half a year after Siegfried Schtauffen froze himself along with Nightmare. After half year has gone by, Nightmare was freed from his ice prison on the Tower of Remembrance because of the remaining Soul Edge shards reactivating because of Inferno's return. When Nightmare had been freed, he was given a new form with crimson armor being renamed Crimson Knight since he no longer wore azure armor. Not to long after Nightmare's release, Siegfried had also been freed, but not from Inferno's return, he was released by Zasalamel to once again keep the balance of the world. Like Nightmare, Siegfried had also been reborn in new armor, most of his armor had been turned into azure armor (similar to Nightmare's Soul Calibur II armor but mixed with some of the crystal armor from Sou