He was the strongest warrior in the history of the Divine Luo, Sephiroth.
Sephiroth
He is a hero abandoned by the world, an avenger whose heart is filled with despair and hatred, and a tragic figure with a tragic life.
Avenger Sephiroth
The wings that were as dark as night would never fight for humanity again, they now represented chaos.
Claude vs Sapphiros
Since you can't choose your own life, you should choose the next path.
I will not become a memory
Even if he went from a radiant hero to a deeply hated destroyer, he died without regret.
There was no reason, just because he was —Sephiroth.