|Debut||Soul Edge (as Siegfried)|
Nightmare has been confirmed to appear in Super Smash Bros. Smash Wars.
Nightmare's Special Moves
Standard Special Move = Abyssal Blast
Side Special Move = Envoy of Demise
Up Special Move = Hellfire Rush
Down Special Move = Dark Charge
Final Smash = Night Terror
Final Smash #2 = Evil Seed
Final Smash #3 = Dark Reconquista==Alternate Costumes==
Nightmare's alternate costumes affect the color of his armor.
Using the Soul Caliber, Nightmare was able to defeat all the other Soul Caliber warriors. He ends up becoming too powerful, even for himself. He goes crazy with power, and eventually makes his own undoing.