Recaps

Xiao Zhen returned to the Jia Ma Empire, helped Xiao Yan face Nalan Yanran, then entered the world of Ultraman Tiga and became the warrior Achilles while training Daigo. After defeating Kilanbo and freeing the trapped children, Xiao Zhen left Daigo to rescue them and returned to Kurumi and Miku with candy.

• Xiao Zhen returned from the Inner Academy with Zi Yan, defeated Han Feng, and absorbed the Sea Heart Flame, advancing to three-star Dou Zong before refining a Form Transformation Pill for Zi Yan.
• Zi Yan took the pill and revealed her true form as an Ancient Void Dragon, while Xiao Zhen explained the wider clans and powers to his companions.
• Xiao Zhen helped Xiao Yan train until he reached five-star Dou Zhe, then sent him to defeat Nalan Yanran in their long-promised match at the Misty Cloud Sect.
• Xiao Zhen entered the Ultraman Tiga world, watched Daigo awaken Tiga, and fused with another Giant Stone Statue to become the blue warrior Ultraman Achilles.
• After defeating a Kirieiloid, Xiao Zhen trained Daigo in combat and helped him save the souls of three astronauts trapped inside a monster by restoring them to prepared bodies.
• Xiao Zhen and Daigo confronted Kilanbo in its pocket dimension, where Tiga destroyed the monster after Xiao Zhen exposed its real form and set its head ablaze.
• Xiao Zhen told Daigo that the children were safe and the dimension was collapsing, then left Daigo to rescue them and brought candy from Kilanbo’s stall to Kurumi and Miku.

Xiao Zhen and Daigo faced a succession of monsters while Xiao Zhen encountered Keigo Masaki and joined the women on a camping trip. The arc left Xiao Zhen and Daigo separated from Horii and the girl as they escaped the fog and life-draining monsters.

• Xiao Zhen killed Gagi at Water Mountain Amusement Park, and Daigo joined him for a meal made from the monster.
• Xiao Zhen killed the Muzhenian and sent Lucia and Zara to safety, then helped Daigo defeat the second Gazort after Takuma asked him to save Mayumi.
• Xiao Zhen warned GUTS about Sukuna Oni, and Daigo fought the awakened demon until Ida Iryu destroyed its head.
• Xiao Zhen met Keigo Masaki, who revealed his Light Gene and plan to awaken it by taking Daigo’s Spark Lens.
• Xiao Zhen and the women camped in a mountain valley, where he killed Silvergon and Gagi after Silvergon attacked Gagi.
• Daigo and Horii crashed near a village and encountered a girl who warned them that fog was coming.
• Xiao Zhen, Kurumi, Daigo, Horii, and the girl fled through the fog and encountered monsters draining people’s life energy near a meteorite.
• Xiao Zhen and Kurumi destroyed the monsters pursuing them, then found and woke Daigo by calling out that Rena might marry another man.

Xiao Zhen helped Daigo stop the Kirieiloids, rescued Maya and Shinjoh, and defeated Keigo Masaki after he transformed into a giant. As Kijera spread and trapped the villa’s residents in dreams, Luke revealed the ancient history of Tiga and Achilles, and Daigo asked Xiao Zhen for guidance.

• Xiao Zhen weakened Magunia by burning its meteorite, allowing Tiga to destroy it, and Dr. Esaki died after briefly regaining consciousness.
• Daigo stopped the Naga People’s plan to destroy Earth, while Xiao Zhen sent the villa’s occupants to Mecha Beast World for safety.
• Xiao Zhen confronted the Kirieiloids, but Daigo released the female Kirieiloid in hope of coexistence, and she later joined the male Kirieiloid to summon a stronger enemy.
• Tiga destroyed the gate before the Kirieiloid invasion could begin, while Xiao Zhen erased the fused aliens’ consciousnesses and stored their body.
• Xiao Zhen helped Maya and Shinjoh escape a Natarnian, and the siblings chose to remain on Earth and begin a new life.
• Keigo Masaki merged with an Ultraman statue and tried to claim Earth, but Xiao Zhen defeated him as Achilles and took his transformation device after Keigo refused to honor their wager.
• Kijera spread across the mountains and plains, leaving many of the villa’s residents lost in dreams, while Zi Yan ate the flowers in hopes of advancing.
• Luke told Xiao Zhen about Tiga, the Dark Giant, and Kijera’s role in humanity’s ancient collapse, then Xiao Zhen treated the Spirit Maidens’ Kijera dependence as Daigo asked to meet him.

Xiao Zhen destroyed Kijera, traveled through time with Chariga, and helped Tsubasa become Tiga before returning to face Gatanothor alongside Daigo. After Tiga and Achilles defeated the Evil God, Xiao Zhen returned to the Mecha Beast World and discovered a newly formed guard force and a summoned Zetton who became a girl.

• Xiao Zhen, Daigo, and Zi Yan destroyed Kijera, and Luke told Xiao Zhen that he and Dina had enough essence to survive for hundreds of thousands of years.
• Xiao Zhen followed Chariga through time, killed Goldras, and forced Chariga to serve him and repair the Time-Space Machine.
• Xiao Zhen met Mahoroba and Tsubasa, helped Tsubasa transform into Tiga, and fought Doguf as Achilles while Tsubasa returned to his own era.
• Xiao Zhen returned to find Gatanothor and the Zogas attacking Earth, then joined Daigo in the battle against them.
• Gatanothor turned Daigo into a stone statue and defeated Xiao Zhen’s first attacks, but children around the world sent light that restored his strength.
• Tiga and Achilles destroyed Gatanothor, after which Daigo reunited with Rena and the GUTS team while Keigo Masaki entered a cave near the R'lyeh Ruins.
• Xiao Zhen returned to the Mecha Beast World, where Miku presented the Prince's Guard and Mahoroba explained why she had joined it.
• Xiao Zhen summoned Zetton, failed to capture it with an Ultra Ball, and watched it shrink into a girl less than 1.6 meters tall.