After the tragedy at the Ming Dynasty's Alchemy Hall, Chen Feng vows to protect the imperial tomb, the spirits of the Four Guardian Daoists, and Zhang Yan's lingering soul. With astral power as his proof and an immortal sword as his blade, he remains true to his original purpose through the transition from the Ming to the Qing dynasties, the chaos of the Republican era, and finally the threat of Japanese military sorcery in the modern day: protecting the tomb means protecting the loyal souls and the cultural heritage. He transforms his personal obsession into a duty that transcends time.
The legacy and resonance of bonds: The profound love between Chen Feng and Zhang Yan, which transcends life and death, sets the story in motion. The soul connection reflected in the Eight Trigrams Mirror reveals Zhou Lingxi's fated bond, which then extends to the teacher-student ties of the Four Guardian Daoists and Chen Rong's new legacy. Together, these form a progression of love, teacher-student bonds, fated connections, and bloodline inheritance, showing how bonds can transcend life and death and cross through time and space.
The struggle between good and evil, and the spirit of the nation: Faced with pursuit by Ming Dynasty imperial guards, the covetousness of Republican-era bandits, and the invasion of evil artifacts wielded by Japanese military sorcerers, Chen Feng and his companions use the righteous power of the stars to oppose greed and sorcery. In particular, their fight against the Japanese transforms protecting the tomb into safeguarding the ley lines and cultural heritage of China, affirming the belief that evil can never prevail over good and the greater good of the nation.
From a guardian burdened by guilt and obsession, Chen Feng grows through centuries of protecting the tomb and countless deadly battles into a man with a clear Daoist heart: cultivating beyond worldly concerns, yet entering the world to protect it. Zhou Lingxi grows from an innocent girl into a guardian who can stand on her own, while Chen Rong takes up the Seven-Star Dagger and carries on the mission. Their journeys show how a lineage of guardians grows through trials and becomes steadfast through inheritance. The Japanese forces and the imperial tomb's people die in battle, with Chen Feng the sole survivor. Chen Feng returns to 2015 and reunites with his beloved. From the Ming Dynasty through the Republican era to modern times, theirs is a love bound by fate across three lifetimes.