Nightshroud

Nightshroud, known as Darkness in the Japanese version, is a mysterious entity and the final antagonist of Yu-Gi-Oh! GX. He was partially responsible for the Abandoned Dorm incident and the disappearance of Yusuke Fujiwara. His identity was previously hinted in the first two seasons as he influenced the possessed Atticus Rhodes, and later makes his full debut as the progenitor of the World of Darkness, enacting his plot to engulf all humanity into his realm but was thwarted in his final duel with Jaden Yuki. Yusuke Fujiwara learned about Nightshroud before the incident at the Abandoned Dorm...