It's probably a story about "When Yuhuatian was the Fengli Dao of the future, Fengli Dao was the Yuhuatian of that year."
Sixty years later, Feng Lizao went to Longmen again, but was transported back to the past in the wind and sand. Only then did he discover that there had never been rain in the world.
Facing himself back then, he was Yu Huatian.
Scumbag attacks start from humble beginnings! ——Fengli Dao