Based on the time at the beginning of the FF7 game, Sephiroth was on a mission to investigate the Mako Reactor in Nibelheim. After seeing humans soaked in Mako with his own eyes, he began to have doubts about his life experience. doubt. After that, he consulted a large amount of literature and finally realized that he was not a descendant of humans, but a product of the Jenova project. Due to errors in the literature, he mistakenly identified Jenova and the ancient species Settra as the same creature. He began to hate humans and vowed to take back the planet that originally belonged to the ancient species from human hands.

Afterwards, in the fountain of life in the temple of the ancient species, Sephiroth, who absorbed the knowledge in the spring, finally recognized the difference between Jenova and the ancient species, and learned that he was actually Lucretia His son, with extreme hatred for human beings and inner distortion, embarked on the path of destruction. Although he was defeated by Cloud two years ago and the Meteor Project was stopped by Life stream, this does not mean that he failed completely because Jenova was not completely eliminated. "Even if it is beaten to pieces, every part of Jenova's body can still be reunited in the end." Can Hojo's prophecy come true? Two years after the end of the game story (in FF7 AC), Jenova's missing body - the mysterious trio: kadaj, loz, and yazoo won the Jenova's head in the big hole was successfully combined, resurrecting Sephiroth, and fought with Cloud. In the end, Sephiroth was defeated, and as his body disappeared, he said that sentence Famous quote: "I will not become a memory."