The Spiritual Energy Has Just Recovered, You Kill the Beast King with One Sword?

Lu Ran was originally the only cultivator on the earth. He originally wanted to survive as an ordinary person, but who would have expected that after the college entrance examination, the earth's spiritual energy would begin to recover. Various demons, snakes and insects have appeared one after another, but Lu Ran's strength has long been able to stand alone. Others are still struggling in the qi training period, but I have already achieved the golden elixir! Others are still struggling with the disaster beast, but I can kill the beast king with one sword! As he continued to practice, clues to various incidents emerged one after another. Only then did he realize that the spiritual energy recovery was a huge conspiracy. The calamity is coming, this time he will be a chess player and tear apart the conspiracy!