The Evil Seed event had major impact to the world, including several people going insane, and Nightmare replaced Cervantes in terrorizing the world, wanting to recover the lost Soul Edge fragments. Three years later, Nightmare had prepared for the ritual to complete Soul Edge, but three warriors from Asia, Chai Xianghua, Kilik, and Maxi stormed his castle, the Ostrheinsburg, and managed to defeat Nightmare, with Soul Edge's spirit (Inferno) being shattered by Xianghua's blade, which was revealed to be the lost Soul Calibur.
The Evil Seed event had a significant impact on the world, including several people becoming mentally unstable, and Nightmare took over as the terrorizer of the world, seeking to recover the lost Soul Edge fragments. Three years later, Nightmare prepared for the ritual to complete Soul Edge, but three warriors from Asia, Chai Xianghua, Kilik, and Maxi stormed his castle, the Ostrheinsburg, and defeated him, with Soul Edge's spirit (Inferno) being shattered by Xianghua's blade, which was revealed to be the lost Soul Calibur.