Chapter Summaries

Xiao Zhen and Chariga were accidentally pulled through the Time-Space Tunnel when Chariga activated his malfunctioning machine, leaving them stranded in an unknown era. To keep Chariga from escaping, Xiao Zhen planted a flame inside him that could make him explode if Xiao Zhen chose.

• Chariga accidentally activated the Time-Space Machine, and the tunnel swallowed him and Xiao Zhen.
• Xiao Zhen caught up to Chariga inside the tunnel, where Chariga admitted he had not set a destination.
• The two escaped the tunnel into an unfamiliar place, and Xiao Zhen sensed human presence over fifty kilometers to the southwest.
• Xiao Zhen demanded that Chariga repair the machine within ten days, threatening to use him as a sacrifice if he failed.
• Xiao Zhen fed Chariga an azure flame seed and warned that he could turn him into fireworks, prompting Chariga to swear loyalty.

Mahoroba defeated a giant beast and found the Monster Slaying Sword and a bronze Spark Lens, but Xiao Zhen and Chariga arrived and demanded to inspect the Lens. After Xiao Zhen easily stopped Mahoroba's attacks, the group introduced themselves, and Mahoroba remained wary of letting him handle her treasure.

• Mahoroba slew a giant beast and pulled the Monster Slaying Sword from its corpse.
• Mahoroba found a bronze Spark Lens, and Xiao Zhen told her it could bring the Giant of Light back into the world.
• Mahoroba attacked Xiao Zhen, but he effortlessly caught her Monster Slaying Sword and her original saber between two fingers.
• Xiao Zhen introduced himself and his subordinate Chariga, and Mahoroba gave her name as a wandering swordswoman.
• Xiao Zhen asked to inspect the Spark Lens, but Mahoroba refused, and he ordered Chariga to stand down when he threatened her.

Xiao Zhen exchanged the Bronze Spark Lens with Mahoroba to inspect it, then revealed that his Spark Blade let him transform into the Giant of Light Achilles. After Mahoroba lost their wager, she was bound by her promise to serve him, and Xiao Zhen teased her with increasingly outrageous demands.

• Xiao Zhen exchanged his Spark Blade with Mahoroba for her Bronze Spark Lens, and they later traded the items back.
• Mahoroba asked to trade her possessions for the Spark Blade, but Xiao Zhen instead told her about the Giants of Light and claimed he could become one.
• Mahoroba bet that she would become Xiao Zhen's subordinate if he transformed, and Xiao Zhen used the Spark Blade to become Achilles.
• Achilles demonstrated his power by blasting apart a nearby mountain with the Despair Ray.
• Xiao Zhen transformed back and told Mahoroba she had to keep her promise, then joked that she could bear him children if she would not warm his bed.

Xiao Zhen and Mahoroba reached a village attacked by a giant dinosaur, where Xiao Zhen saved Tsubasa, a GUTS member from the future. Tsubasa recognized Xiao Zhen in an old GUTS photograph, and Xiao Zhen showed him another photo that left him shocked about his father, Daigo.

• Xiao Zhen sensed trouble ahead and used his Clairvoyance to spot a giant dinosaur rampaging through a village.
• Xiao Zhen realized the nearby Pyramid and the bronze Spark Lens suggested they had entered a Tiga side story, while Mahoroba urged him to save the villagers.
• Tsubasa fired at the dinosaur, hoping he could protect the village with power like his father's, until Xiao Zhen struck the monster down with lightning.
• Tsubasa introduced himself as a future member of Elite GUTS, and Xiao Zhen asked whether he recognized his name.
• Tsubasa showed Xiao Zhen an old photograph of GUTS that included him, then revealed that he was Daigo and Rena's son.
• Xiao Zhen handed Tsubasa another photograph, and Tsubasa stared at it in shock and exclaimed about his father.

Tsubasa struggled with his image of his father after seeing an embarrassing photograph, then joined Xiao Zhen and Mahoroba as they ate monster meat in the village. Xiao Zhen learned how the villagers used light energy and asked Mahoroba for her Bronze Rod, leaving Tsubasa stunned by Xiao Zhen’s claim that Mahoroba belonged to him.

• Tsubasa saw a photograph of Daigo enjoying being stepped on by a cloaked woman, and Xiao Zhen tried to console him.
• Mahoroba brought roasted monster meat for Xiao Zhen and Tsubasa, who was shocked to learn what he was eating.
• Priestess Yulian thanked Xiao Zhen for saving the village and explained that its legends had led her to recognize him as a Warrior of Light.
• Several light-wielding warriors returned to the village in flying contraptions and taught Xiao Zhen how to use light energy.
• Xiao Zhen asked Mahoroba to lend him her Bronze Rod, then claimed she belonged to him, leaving Tsubasa shaken.

Xiao Zhen helped Tsubasa resonate with the Bronze Rod and transform into Tiga, then showed him the vast difference between his form and a true Giant of Light. The next morning, Mahoroba found Xiao Zhen still lounging while she had already trained.

• Xiao Zhen explained that the Bronze Rod might allow Tsubasa to become a Warrior of Light and encouraged him to try it.
• Tsubasa asked Xiao Zhen for help, focused on the Bronze Rod, and transformed into a twenty-meter-tall Tiga after resonating with the statue in the Pyramid.
• Xiao Zhen transformed into the fifty-meter-tall Achilles, leaving Tsubasa intimidated by the size difference and warning him not to get carried away.
• Tsubasa returned to human form and answered questions from the tribe members about transforming.
• Mahoroba visited Xiao Zhen the next morning after practicing swordsmanship and complained that he was so powerful despite his lazy habits.

Xiao Zhen and Mahoroba caught Tsubasa trying to learn combat skills from the village warriors, then helped him retrieve his aircraft and captured two spies serving the Dark Mage. The Dark Mage summoned the demon god Guff and set out to destroy the village’s stone statues.

• Tsubasa was beaten by a village warrior after trying to show off his future combat techniques, and Xiao Zhen explained that the villagers’ harsh lives had made them strong.
• Tsubasa asked Xiao Zhen to help with his damaged aircraft, which was embedded in a cliff, and Xiao Zhen pulled it free with Dou Qi.
• Xiao Zhen blasted two Dark Mage subordinates out of the grass, and Mahoroba tied them up to take back to the village.
• The Dark Mage summoned the demon god Guff and declared that they would destroy the stone statues.

Xiao Zhen dressed Mahoroba in a maid outfit and gave her a Storage Ring before a vast darkness approached the village. He agreed to help Yulian and assigned the inexperienced Tsubasa to meet the enemy first while he observed from the shadows.

• Xiao Zhen had Mahoroba try on a maid outfit, and she emerged from the bushes awkwardly dressed in it.
• Xiao Zhen gave Mahoroba a Storage Ring and taught her to store her weapons and old clothes inside it.
• Xiao Zhen sensed a massive object approaching beneath dark clouds and returned to the village with Mahoroba.
• Tsubasa and the villagers stared at Mahoroba's maid outfit, while she grew irritated at their attention.
• Yulian asked Xiao Zhen to help defend the village against the approaching darkness, and he agreed.
• Tsubasa offered to fight, so Xiao Zhen told him to confront the enemy first while he watched for its strength and weaknesses.

The Dark Mage attacked the Pyramid with Doguf, but Xiao Zhen ambushed and killed him while Tsubasa failed to stop the monster. Achilles then faced Doguf as the villagers watched, leaving the battle underway.

• The Dark Mage ordered Doguf to expose the Pyramid and destroy the three sealed stone statues, but Tsubasa intervened as Tiga.
• Doguf overwhelmed Tiga and broke through the Zeppelion Beam, causing Tsubasa to revert to normal.
• Xiao Zhen stabbed the Dark Mage from behind and teleported away with him to evade Doguf.
• Xiao Zhen killed the Dark Mage and absorbed his destiny with the Sword of Destiny.
• Achilles drew the Spark Blade and confronted Doguf while the villagers cheered him on.
• Achilles dodged Doguf's charge and formed a spinning light wheel behind the monster.

Xiao Zhen used Chariga’s time-space passage to send Tsubasa back to his own era, where he reunited with Daigo, Rena, and Guang. Their happy reunion turned awkward when a photograph fell from Tsubasa’s pocket and Rena demanded an explanation from Daigo.

• Xiao Zhen stopped Tsubasa from leaving and asked Chariga to open a time-space passage, despite Chariga’s uncertain assurances about its safety.
• Tsubasa entered the passage without his plane and returned to his era, where passersby found him unconscious and took him to a hospital.
• Daigo, Rena, and Guang rushed to the hospital after learning Tsubasa had returned, and Tsubasa tearfully embraced his mother.
• A photograph of a younger Daigo fell from Tsubasa’s pocket, and Rena coldly asked Daigo to explain it.
• Daigo tried to postpone the explanation until they got home while Xiao Zhen thought about returning to his villa and checking on the elf girls and Zi Yan.

Xiao Zhen returned from the past with Mahoroba and Chariga as Gatanothor’s attack plunged the world into chaos. After reuniting with his companions, he sent them somewhere safe and prepared to find Daigo, while Old Ya warned him that Gatanothor’s power exceeded that of a three-star Dou Sheng.

• Xiao Zhen and his companions emerged in a darkened city, where two Zogas began attacking the buildings.
• Xiao Zhen confirmed that Daigo was still alive, contacted his companions, and teleported with Mahoroba to the villa.
• Xiao Zhen reunited with the girls and learned that Gatanothor had risen from the seabed and the Zogas had begun appearing.
• Xiao Zhen sent everyone through a spatial gate to safety and used the Black Ring to ask Old Ya for help.
• Old Ya warned Xiao Zhen that Gatanothor’s power surpassed the level of a three-star Dou Sheng.

Gatanothor’s black fog overwhelmed TPC’s sea base while Shinjoh and Horii were trapped underwater in the Dolphin. As Daigo chose to face the monster alone, Xiao Zhen appeared and asked whether he had truly accepted the risk of dying.

• Gatanothor’s black fog invaded TPC headquarters, killing personnel and defeating the base’s defenses as Sawai urged everyone to survive and evacuate.
• Shinjoh and Horii lost contact with headquarters aboard the Dolphin, struggled with dwindling oxygen, and feared Gatanothor would notice them.
• Nakai showed the base staff a satellite image of Gatanothor, and Megumi identified it as the Ruler of Darkness seeking to engulf the world.
• The base’s core was breached, forcing the remaining personnel to evacuate aboard the ArtDessey while Daigo stayed behind.
• Daigo said he wanted to fight Gatanothor alone, and Rena and Sawai urged him to leave with them.
• Xiao Zhen appeared in the base, questioned Daigo’s decision, and introduced himself to the others as Daigo’s friend.

As Gatanothor’s darkness closed in on TPC headquarters, Xiao Zhen and Daigo prepared to face the Evil God, and Xiao Zhen revealed that he was Ultraman Achilles. They met Ms. Yulian, who said only Daigo and Xiao Zhen could defeat Gatanothor and that Earth’s fate rested with them.

• Xiao Zhen used Light Energy to briefly push back the black fog and warned Daigo that confronting Gatanothor could cost them their lives.
• Daigo resolved to fight, saying he hoped the battle would be his last, and Xiao Zhen praised his humanity and determination to protect others.
• Xiao Zhen told the TPC executives that he was the blue Ultraman Achilles.
• Yulian appeared in a young form resembling Captain Megumi Iruma and thanked Xiao Zhen for training Daigo.
• Xiao Zhen asked whether Tiga had joined the side of light for justice, but Yulian said she did not understand Tiga well and suggested finding his true form.
• Daigo asked how to defeat Gatanothor, and Yulian declared that he and Xiao Zhen were Earth's only hope.

Xiao Zhen agreed to fight Gatanothor alongside Daigo despite Yulian's dire predictions, then confronted the monster's Zoga minions as Tiga tested Gatanothor. Xiao Zhen quickly killed one Zoga, decapitated another, and drove the last one to flee.

• Yulian told Xiao Zhen and Daigo that their chances of defeating Gatanothor were low, and Director Sawai asked them to protect humanity.
• Xiao Zhen agreed to do his best, and he and Daigo transformed before the survivors evacuated aboard the Atlantis.
• Xiao Zhen realized Achilles' power had fully fused with his own as he and Daigo flew to confront Gatanothor.
• Xiao Zhen told Daigo to test Gatanothor while he fought the three Zoga, and Daigo transformed into Tiga's Power Type.
• Xiao Zhen pierced the leading Zoga's chest, killed a second with a light wheel, and wounded the third as it fled into the sky.

Xiao Zhen and Tiga fought Gatanothor, but their strongest attacks failed to pierce the monster’s defenses. Gatanothor struck Tiga down, leaving Achilles alone as humanity feared for Earth’s fate.

• Zoga tried to flee, but Gatanothor blasted her head apart, and Xiao Zhen cut through the tentacle choking Tiga to free him.
• Xiao Zhen and Daigo joined their ultimate attacks against Gatanothor’s head, but the monster survived and grew furious.
• Achilles restored Tiga’s fading energy, but Gatanothor trapped Daigo with a pincer and tentacles while Xiao Zhen charged in and failed to saw through its head.
• Gatanothor gathered purple energy for an ultimate attack, and a tentacle pinned Tiga as the beam pierced his chest and extinguished his timer light.
• Rena wept as Tiga fell, while viewers feared that Achilles could not save Earth alone.

After Daigo turned to stone and was blasted into the sea, Xiao Zhen chose to face Gatanothor alone, combining his strength with Yao Chen’s and attacking with a three-colored Heavenly Flame Spiral Ball. The strike injured Gatanothor briefly, but the evil god regenerated and returned unscathed.

• Daigo turned into a stone statue, and Gatanothor blasted him into the sea while Xiao Zhen watched from Achilles.
• Xiao Zhen decided to fight rather than flee, and Yao Chen agreed to lend him all his strength.
• Yao Chen’s power raised Xiao Zhen’s strength, and Xiao Zhen activated three Heavenly Flames as Achilles.
• Xiao Zhen launched the Heavenly Flame Spiral Ball at Gatanothor, blasting apart many of its tentacles and injuring it.
• Gatanothor regenerated its tentacles and reappeared completely unscathed.

Xiao Zhen’s Achilles battled Gatanothor until his borrowed strength ran out and Zoga approached, but golden light from children around the world empowered him. Tiga rose from the sea to join Achilles, leaving the two Ultramen ready to face the monsters together.

• Xiao Zhen used aerial fireballs to wear down Gatanothor while the ArtDessey urged nations to intercept the returning Zoga.
• Xiao Zhen lost Old Ya’s power boost and, nearly exhausted, prepared to attack an approaching Zoga before retreating.
• Golden light gathered from children around the world and entered Achilles, restoring Xiao Zhen’s strength.
• Xiao Zhen learned from the system that children could temporarily transform into light by resonating with their Light Genes.
• Tiga emerged from the sea, and he and Achilles joined forces against the approaching threat.

Tiga and Xiao Zhen defeated Gatanothor, clearing the darkness and leaving the weakened Zogas vulnerable to humanity. Daigo and the GUTS team celebrated, while Keigo Masaki discovered a dark power in the R'lyeh Ruins and set out to regain his strength.

• Tiga broke Gatanothor’s shell, and Xiao Zhen’s golden High-Speed Light Wheel split it before both giants finished the Evil God off.
• The darkness dissipated, and humanity hunted the weakened Zogas as their leader’s defeat left them temporarily powerless.
• Daigo reunited with the GUTS team and Rena, then his stone Spark Lens crumbled as he explained that people could become light through their own strength.
• Xiao Zhen’s Spark Blade also turned to ashes, but he sensed that Achilles’s power remained within him even though he could not currently transform.
• Keigo Masaki escaped his submarine near the R'lyeh Ruins, sensed dark power in a cave, and entered it vowing to return and defeat Xiao Zhen and Achilles.

After the disaster ended, Xiao Zhen returned to his villa, then traveled to the Mecha Beast World to see Xiao Yan and learn about a personal guard the Spirit Maidens had secretly formed for him. He inspected Miku’s all-girl force and objected to having a guard, while Miku argued that it could help maintain order among the humans living in his world.

• Xiao Zhen spoke with Yao Chen in the Black Ring and promised to refine medicinal ingredients to help restore his soul.
• Xiao Zhen noticed soldiers monitoring his villa, then used a spatial passage to travel to the Mecha Beast World.
• Xiao Zhen found Xiao Yan racing and reunited with Kurumi, who told him that the Prince's Guard had been established.
• Kurumi explained that the Spirit Maidens had organized and trained an elite force under Miku, equipping its members with Dou Qi and magical devices.
• Miku assembled the girls and presented them to Xiao Zhen, who questioned why he needed a guard.
• Miku defended the force as useful for maintaining public order among the humans and robots in Xiao Zhen’s world.

Xiao Zhen collected his Zetton reward after checking on the guard unit and Mahoroba. He discovered that Zetton could shrink into a girl, leaving him surprised by his new companion.

• Xiao Zhen and Kurumi discussed the difficulty of managing the humans and native robots, and Xiao Zhen left resources for the guard unit.
• Xiao Zhen spotted Mahoroba among the guards, pulled her into a warehouse, and learned that she had joined to become a warrior while Chariga was working at a research institute.
• Xiao Zhen claimed the system reward and summoned a sixty-meter-tall Zetton, whose attributes placed its strength around the mid-stage of Dou Zun.
• Xiao Zhen tried to capture Zetton with an Ultra Ball, but the ball failed and was scrapped.
• Xiao Zhen asked Zetton to shrink, and it transformed into a girl less than 1.6 meters tall.