“I swear by sacred iron that, for the rest of my life, I will devote myself to slaying the enemies of humanity. Whoever threatens our people, no matter how far away, must be destroyed!” In the age of sword cultivators, humanity could no longer cultivate immortality. The methods of cultivation turned to ash, and magical treasures became scrap metal. People no longer believed in immortals or Buddhas. They began to put their faith in the swords in their own hands.