Legend of the Holy Ancestor Emperor

When interstellar spirits descend and shatter humanity's technological pinnacle, civilization crumbles into ruin. From the ashes rises Astin, a mysterious villager caught between human and beast—neither fully one nor the other. As ancient powers awaken and the line between species blurs, he must shoulder an impossible destiny: to forge a new path for humanity's survival. But can a being of uncertain origin become the savior of a broken world?