Schwarzwind (German for "black wind") is a group of fictional characters within the Soul series. Siegfried began to socialize with them prior to the events of Soul Edge (Soul Blade), and he soon became the leader of their band of thieves. After accidentally killing his father, Frederick, Siegfried disbanded from the clan and he wandered for 4 years in Europe, because Siegfried was seeking redemption. In the end of Soul Calibur IV Siegfried destroyed his nemesis, Nightmare and thus he got his redemption, 17 years have passed and Siegfried reformed the clan of thieves into a clan of mercenaries. In Soul Calibur V, Siegfried took both Z.W.E.I and Viola under his protection, Hilde also joined the clan as second in command.