He did not die or resurrect, but circulated around the world in the form of a weird story——
When the "window" was discovered, the curse spirit had already been born. It was a special-level curse spirit that had not been recorded in the books. They defined it as a special-level imaginary resentful spirit and called it the "Mother of Ghost Nests".
…
A certain man with narrowed eyes smiled softly, but rolled up his sleeves, "Who named you? Come out, I promise I won't beat you to death~"
[Non-sexual transformation, OOC warning.
Intention: Resurrection becomes a curse (bushi)