As Mingfei struggles to reach Cassell College, the true nature of the school is unveiled.

The strange college has suddenly turned into a battlefield, Lu Mingfei must keep himself alive while the dragon slayers display their strength.

Lu Mingfei faces an unexpected test, and cheating might be his only option to succeed.

The students of Cassell College will have to do everything in their power to rescue two of their classmates from the deadly City of Bronze.

Low on oxygen, Ye Sheng and Aki's only tool to escape the ancient city and its guardian is a constantly changing map.

Lu Mingfei has been invited to the Student Union's dance, and he brought Finger along. Through one awkward situation after another, he will learn more about his peculiar classmates.

In order to protect their school, Cassell's students are now free to use their Yanling skills, even if it allows their enemies to do the same.

Number thirteen's mission takes an unexpected turn, Lu Mingfei must think of a birthday gift for Nono, and Caesar struggles to defeat his adversary.

Two old friends unexpectedly reunite, while a dragon runs amok, the students must decide wether to hide or face the beast.

The principal has a plan to deal with the threat against his school, and Mingfei seems to be an integral part of it.

The Student Union has a mission, to track the Dragon King down and slay it. Lu Mingfei is asked to live up to his revered S-Rank status, much to his dismay.

Exploring Norton's ancient palace, Lu Mingfei and Nono learn more about the ancient brothers, while trying to avoid sharing Ye Sheng and Aki's fate.

Mingfei and Nono must rely on their allies to escape the City of Bronze, while Norton begins his hunt.

Equipped with broken weapons and a damaged ship, Caesar and the students are forced to face a vengeful Dragon King on their own.

Trapped in Lu Mingze's vision, Mingfei needs to make a difficult decision if he wants to help Nono get back to the surface.

Lu Mingfei must remember not to underestimate his opponent if he hopes to protect his friends.

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.