Introduction: What has happened to this world?Who will listen to the historical truth buried in the long river of time?Bodies were strewn over a thousand miles of mountains and river; the harrowing hunger of tigers depicted across a hundred years of heaven and earth.The impartiality of the cosmos is as heartless as ever,Yet I possess a burning red heart—one that patrols the heavens!…Welcome to the Immortal Sword World, where emotions run deep....