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, leading to mental instability and Nightmare taking over as the new terrorizer, seeking to recover the lost Soul Edge fragments. Three years later, he prepared for a ritual to complete Soul Edge, but three warriors from Asia, Chai Xianghua, Kilik, and Maxi, defeated him, with Soul Edge's spirit (Inferno) being shattered by Xianghua's blade, which was revealed to be the lost Soul Calibur.