The Strongest Fiend.

Summary

Xu Yang Yi discovers a piece of cloth believed to be the skin of the Feathered Serpent God beneath St. John's Cathedral, linking it to the legendary Tower of Babel. Little Qing reveals that over a thousand years ago, various factions built this tower, which connects to cosmic beings. She explains that the path to Kunlun, a major realm, opens only to those who reach the Golden Core stage. Xu Yang Yi expresses his desire to become an immortal, seeking power not for dominance but for understanding the world. Little Qing emphasizes that true immortality is about awakening to life's essence. She provides him with a map leading to the Tower of Babel, stating that the secrets of immortality and Earth's history lie at its peak.

Full content