No hope for eternal life

Youth: Who is the master of the endless void? I will write the eternal history. Middle-aged: When the time comes, the heaven and earth will work together, when the luck is gone, the hero cannot be free. Old age: The way dies and the devil is born. Many years later, Mu Changsheng looked back on the past and sighed: Immortality is hard to find, and eternal life is hopeless! The nine realms are in constant conflict. Some people take advantage of the situation, some draw their swords to ask the sky, and some people take the responsibility. Who can save the world? The desperate reincarnation of one era after another, survival or destruction? This is indeed a question worth considering. (No system, no cool text, want to restore a real world of cultivation.)...