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Zero transformed into a dragon and destroyed all the fighter planes, and escaped Black Swan Bay with Renata.

On a stormy night of the typhoon landfall many years ago, Tianjiao and his son Zihang broke into Nibelungen.

On Lu Mingfei's birthday, Chu Zihang came to the class reunion, claiming to be his younger brother.

Chu Zihang and Lu Mingfei identified the south station culprit with Nuonuo’s help and profiling ability.

Chu Zihang's mission is getting more complicated and he has less and less time to complete it.

At the meeting of the School Board, Anjou initiated the Nibelungen Plan, which Caesar attended as a candidate.

Lu Mingze wishes Lu Mingfei a happy birthday, tempting him with power in exchange for his life.

Xia Mi is invited to stay at a hotel with Chu Zihang and Lu Mingfei. Xia Mi and Chu Zihang share similar interests, while Lu Mingfei becomes the third wheel. Early next morning, Lu Mingfei receives a message from Lu Mingze, informing him of an important event.

Anjou rushes to the auction with Lu Mingfei, and defeats some assassins along the way. Upon arriving at the venue, Lu Mingfei, dressed in the attire of a nouveau riche, joins this feast of hybrids, waiting for an "unexpected encounter."

Lu Mingfei and the mysterious Muslim girl bid against each other for the Seven Deadly Sins, forcing him to use a temporary Yanling. He remains unaware that this entire scheme is orchestrated by the boss behind Sakatoku Mai. After the auction, the mysterious girl draws suspicion and encirclement from various factions, including the Thirteen Nobles.

Anjou and the Thirteen Nobles part ways due to ideological differences. He takes Lu Mingfei to the theme park to meet up with Chu Zihang and Xia Mi, but encounters a roller coaster accident. Lu Mingze once again tempts Lu Mingfei to trade his life to resolve the crisis.

Under the influence of Zero Time, Chu Zihang resolves the crisis by unleashing his Blood Rage, but is severely injured. Fortunately, he is saved by Xia Mi. Following this incident, the School Board believes that the Dragon Emperor of Earth and Mountain has awakened, and begins to suspect Chu Zihang's bloodline.

Following the theme park incident, Chu Zihang and Xia Mi grow closer, while Anjou's conflict with the School Board intensifies, putting him at risk of being fired. Meanwhile, the Well of Oblivion at Cassell College, where Constantine's dragon bones are hidden, is breached by multiple intruders.

The intruders engage in a fierce battle, and Lu Mingfei seizes the opportunity to reinforce the barrier around the dragon bones with the Seven Deadly Sins. As the battle intensifies, the mysterious figure and Sakatoku Mai fight in their dragon forms. The earth shakes, and the raging flames destroy Cassell's underground complex, and erupt through the surface.

Lu Mingfei delivers a righteous rebuttal against the School Board's allegations at the hearing against Chu Zihang, but is ultimately overshadowed by Caesar. Although Chu Zihang's bloodline is found to be innocent, he is still rejected by the Seven Deadly Sins

Chu Zihang learns the secrets of the Nibelungen Plan and must slay the Dragon Emperor to survive.

Chu Zihang detects irregularities in the subway. Lu Mingfei uses a Yanling and teaches some thugs a lesson.

Lu Mingfei is attacked by the Wind Devil Queen and encounters the missing Execution Bureau specialists.

With Lu Mingze's help, Lu Mingfei wins the card game and finds the Dragon Emperor Fenrir, only to be invited to watch TV together. Soon after, Chu Zihang arrives. He uses Blood Rage for a second time and teams up with Xia Mi to severely injure the Dragon Emperor, but something unexpected occurs.

The subway tunnel collapses, and the Wind Devils invade the building. Caesar leads the hybrids into a fierce battle. Meanwhile, in the tunnel, the dying Chu Zihang burns through all his blood, unleashing Blood Rage for a third time to fight Jörmungandr. Lu Mingze reappears to tempt Lu Mingfei.

Fenrir consumes Jörmungandr and unleashes an apocalyptic Yanling, drawing countless Wind Devils to sacrifice themselves. Caesar uses Blood Rage and upgrades his Yanling to fight the Wind Devils. Chu Zihang uses his last ounce of strength to send Lu Mingfei away, and heads back into a battle to the death. Lu Mingfei once again stands at the crossroads of choice.

Lu Mingfei must defeat the Dragon Emperor of Land and Mountains before it’s too late.

Renata and Zero met in Black Swan Bay and became close friends. They vowed to escape this cruel experimental facility together. But on Christmas Eve, the night of their planned escape, Black Swan Bay was engulfed in flames. A crazed mob blocked Renata's escape route.

Renata fled with the unconscious Zero in her arms, only to be bombarded by fighter jets. On the verge of death, Zero woke up, reviving her and summoning the Black Dragon to annihilate the enemy. Although the truth of history lies buried beneath the snow, Renata and Zero have been reborn under new names, and the story continues...