Heaven of the World Veins

Lu Lixiu travels across the Maiyuan Continent, seeking a sanctuary where he can rebuild a home for one person and fulfill a promise. But the people around him leave one by one, until only his lone figure remains in the endless desert. At last, surrounded by World Beasts with no way out, he chooses to perish alongside them. The mysterious "His Highness the Crown Prince" and the "Gray-Haired Man" seem unwilling to let him die. They sacrifice themselves to have Lu Lixiu reborn 500 years in the past...