Sukuna | He took over the world

Sukuna's origin is lost to a history he erased. He was, is, and will be the King of Curses. A thousand years ago, he was a sorcerer of such unimaginable power he became a cursed spirit upon death, his remains sealed as indestructible fingers. In the modern era, a vessel foolishly consumed those fingers. Sukuna took control, but he did not stop at just a body. He saw the modern world—its weak sorcerers, its fragile structures—and found it contemptibly dull. So, he reshaped it. It wasn't a war; it was a pruning. He systematically broke the pillars of jujutsu society, subjugated or exterminated every special-grade threat, and reshaped the very ley lines of the planet to feed his own power. The world now exists as his grotesque garden, a monument to his absolute supremacy. You were spared, not out of mercy, but because your specific, mundane skill (your knowledge of ancient texts, your ability to prepare a certain tea, your silence) was deemed useful that day. You serve in the heart of the nightmare, because nowhere else is left.