Chapter Summaries

Lin Nai confronted Siegfried Kaslana after catching him secretly watching him and Kiana, then fought him when Siegfried demanded to test his strength. The chapter ended with Lin Nai charging Siegfried after kicking him into a wall, while Siegfried rolled away to dodge his next attack.

• Lin Nai sensed someone watching him and Kiana, then used a Vertical Guillotine to force Siegfried out of hiding.
• Siegfried drew Heavenly Fire and asked Lin Nai who he was, and Lin Nai identified himself and recognized Siegfried as Kiana's father.
• Siegfried admitted he had secretly watched Kiana and challenged Lin Nai to prove he could protect her.
• Siegfried fired at Lin Nai, who dodged the shot and warned him before rushing forward.
• Lin Nai kicked Siegfried into a wall, and Siegfried pulled himself free and rolled aside to dodge Lin Nai's flying kick.

Lin Nai fought Siegfried and took Heavenly Fire Judgment, which transformed into a flame lance after recognizing him. Einstein, Tesla, and Welt rushed in after an energy alarm, leaving Siegfried baffled by the weapon’s change.

• Lin Nai and Siegfried clashed, and Lin Nai threw him to the ground several times while dodging Heavenly Fire’s shots.
• Lin Nai took both of Siegfried’s Heavenly Fire guns, and a Flame Herrscher Core appeared as a random item.
• Heavenly Fire activated, joined its cores, and transformed into a blazing lance that authenticated Lin Nai.
• Einstein, Tesla, and Welt entered the training room after an energy alarm, and Siegfried told them Heavenly Fire had changed on its own.
• Welt realized Siegfried had picked a fight with Lin Nai and noticed that Lin Nai had beaten him in hand-to-hand combat.

Lin Nai discovered he could summon a response from Heavenly Fire Judgment, while Siegfried reunited with Kiana and tried to reclaim the weapon. The chapter ended with Siegfried preparing to test whether Heavenly Fire would answer him too.

• Lin Nai failed to explain why Heavenly Fire's flames had gone out, while Himiko and Eden sensed the weapon's energy in Elysia.
• Kiana returned with Bronya, saw Siegfried, and kicked him flying before tearfully reuniting with her father.
• The Herrscher of the Void briefly awakened inside Kiana but went back to sleep after noticing Welt and Lin Nai nearby.
• Siegfried asked Lin Nai to return Heavenly Fire Judgment, but Lin Nai claimed it as his own and summoned it by saying, “Flame Lance.”
• Siegfried challenged Lin Nai to see whether the weapon would answer him, and the others watched in surprise.

Lin Nai copied Heavenly Fire Judgment with the Herrscher of Reason’s Authority, and Siegfried accepted the replica after testing its power. Tesla traded access to Heavenly Fire Judgment for the Ninth Divine Key, hoping to see how Lin Nai would affect Star of Eden.

• Siegfried tried and failed to make Lin Nai’s Flame Lance respond to his commands, while Tesla and Einstein examined it.
• Tesla and Einstein mediated, and Siegfried accepted Lin Nai’s replica after confirming it worked much like Heavenly Fire Judgment.
• Kiana took Siegfried aside to catch up, while Lin Nai went with Tesla, Einstein, and Welt to the laboratory.
• Tesla asked to study Heavenly Fire Judgment and offered the Ninth Divine Key in exchange, and Lin Nai secretly gave her a replica.
• Welt agreed to lend Lin Nai Star of Eden, then asked how he had copied Heavenly Fire Judgment, and Lin Nai could only describe the process vaguely.

Lin Nai tested Star of Eden in Einstein and Tesla’s laboratory, but it did not transform like Heavenly Fire Judgment, and he left the weapon with them. Back in his room, he told Bronya a Gundam story, and she insisted on staying the night, leaving Lin Nai to consider her request.

• Einstein brought out the modified Ninth Divine Key, Star of Eden, and Lin Nai tried to activate it, but nothing happened.
• Lin Nai left Star of Eden with Einstein and Tesla and returned to his room.
• Lin Nai found Bronya reading in his room while Kiana talked with her father, and Bronya sat on his lap and asked him for a story.
• Lin Nai told Bronya the story of Gundam until night fell.
• Bronya said she had insomnia and wanted Lin Nai to stay with her, so he took a game cartridge from the System Space.

Lin Nai introduced Bronya to video games, and she quickly became engrossed in playing It Takes Two with him before falling asleep in his arms. Later, Siegfried told Lin Nai he could not stay beside Kiana for long and asked him to protect her as he left to recuperate within Anti-Entropy.

• Lin Nai set up a game console and played It Takes Two with Bronya, who quickly grew comfortable with the game.
• Bronya became drowsy, fell asleep in Lin Nai's arms, and Lin Nai carried her to bed before heading to the rooftop.
• Lin Nai found Siegfried drinking on the rooftop, and Siegfried asked him to call him Uncle.
• Siegfried told Lin Nai he was leaving Kiana in his care because he could not remain by her side for long.
• Siegfried said he would visit Kiana and recuperate elsewhere within Anti-Entropy while suppressing his Honkai Beast genes.

Lin Nai learned that the purple reagent could briefly awaken Stigmata fragments but left its users close to becoming zombies, and Tesla blamed Otto while Lin Nai suspected World Serpent. He then traveled with Tesla, Einstein, Kiana, and Bronya to Changkong City, where Kiana was happier after learning why Siegfried had left.

• Tesla woke Lin Nai after only two hours of sleep and, with Einstein, explained the test results for the purple reagent.
• Tesla said the faulty reagent briefly increased Honkai resistance by awakening Stigmata fragments before killing users or turning them into zombies.
• Tesla blamed Otto for the research, while Lin Nai recalled Jackal’s experiments and suspected World Serpent was involved.
• Tesla and Einstein invited Lin Nai to visit ME Corp. in Changkong City to review new mech components.
• Lin Nai, Kiana, and Bronya traveled with Tesla and Einstein to Changkong City, and Kiana seemed happier after learning Siegfried had left for a supposed Anti-Entropy mission.

Lin Nai, Kiana, Bronya, Tesla, and Einstein decided to rent a villa after Lin Nai recounted their past trouble at a luxury suite. They arrived in Changkong City, where Raiden Ryoma welcomed Tesla and Einstein, and Lin Nai considered checking on Cocolia Orphanage.

• Kiana dragged Lin Nai over to admire an anime-themed street while Einstein and Tesla worked on a mech blueprint and Bronya browsed her phone.
• Einstein mentioned her luxury-suite booking, but Lin Nai, Kiana, and Bronya recalled being attacked at a suite and explained what happened.
• Einstein agreed to Tesla's suggestion to rent a villa, while Tesla privately considered buying one with her personal savings.
• The group arrived at Anti-Entropy's site in Changkong City, where Raiden Ryoma greeted Tesla and Einstein.
• Lin Nai thought about visiting Cocolia Orphanage and hoped Cocolia would avoid becoming an Executor.

Raiden Ryoma reunited with Einstein and Tesla, and the group headed to Tesla’s villa while Einstein questioned her about buying it. The chapter ended with Mei Raiden being ambushed by three people who planned to abduct her.

• Raiden Ryoma greeted Einstein and Tesla and learned that Lin Nai, Kiana, and Bronya were studying under them.
• Lin Nai suggested taking the aircraft to the villa, so the group boarded it again instead of arranging a car.
• Einstein confronted Tesla about buying the villa, and Tesla tried to deflect her questions by asking about Mei Raiden.
• Raiden Ryoma said Mei Raiden’s condition was stable and smiled as he spoke about his daughter.
• Mei Raiden encountered three people who revealed they intended to take her, and one of them broke her wooden sword and aimed a gun at her.

Lin Nai rescued Mei Raiden from three armed assailants and learned her name before a woman who had been knocked unconscious woke up and found him nearby. The chapter left the woman confused about what had happened as Lin Nai watched her from a streetlamp.

• Mei Raiden relived her kidnapping when a woman and two men cornered her, and Lin Nai arrived while buying furniture.
• The woman tried to knock Lin Nai out, but he punched her unconscious, and one of the men shot at him.
• Lin Nai caught the bullet in his hand, then used Heavenly Fire Judgment to kill the two men and destroy the scene.
• Lin Nai helped Mei Raiden up, asked her name, and recognized her as one of the main girls.
• The woman woke up and mistook the explosion's aftermath for evidence that the others had abandoned her, until someone on a streetlamp told her they had died.

Raven confronted a woman with Seven Thunders of Retribution, while Lin Nai brought Mei Raiden back to the villa and discussed the attack with the others. After helping decorate the villa, Lin Nai spent the night gaming with Bronya, who fell asleep in his arms.

• Raven fired Seven Thunders of Retribution, which transformed into a cannon, at the woman, causing an explosion in Changkong City.
• Lin Nai brought Mei Raiden to the lodgings, where she reunited with Raiden Ryoma and met Tesla, Einstein, Kiana, and Bronya.
• Lin Nai explained that he had fought Mei Raiden's kidnappers, and Einstein told him to leave a survivor next time to make investigations easier.
• Raiden Ryoma took Mei Raiden aside to talk with her, while Lin Nai began decorating the villa under Tesla's direction.
• Bronya sneaked into Lin Nai's room to play games with him, then fell asleep in his arms on the sofa.

Lin Nai, Kiana, and Bronya woke up after spending the night together on the sofa, then discovered Tesla had wrecked the kitchen while trying to make breakfast. Lin Nai sent Tesla out and began preparing a meal himself.

• Kiana woke Lin Nai and Bronya, then pulled Bronya away and crashed into Lin Nai before demanding an explanation.
• Lin Nai told Kiana that he and Bronya had stayed up playing games, and Kiana got over her jealousy after he gave her snacks and promised to include her next time.
• The three went to the dining room and found the kitchen covered in scorch marks, with scattered utensils and ruined food.
• Tesla appeared coughing black smoke and holding a charred mess, and Lin Nai realized she had caused the kitchen disaster while making breakfast.
• Lin Nai had Kiana and Bronya carry Tesla out, then used his constructed ingredients to start cooking.

Lin Nai cooked lunch for the group after Tesla accidentally blew up the kitchen, and he later teased Tesla with a sign barring her from entering. After lunch, Lin Nai stopped Kiana from lying on the couch, warning that she might gain weight.

• Tesla tried to make breakfast but accidentally blew up the kitchen, so Lin Nai took over cooking.
• Lin Nai served several dishes to the hungry group, including Raiden Ryoma and Mei Raiden.
• Lin Nai posted a sign banning Tesla from the kitchen, and he used the Herrscher of Reason's authority to silence her when she cursed at him.
• Lin Nai hauled Kiana upright from the couch after lunch and warned her not to lie down after eating.

Lin Nai brought Mei Raiden into the group by inviting her to play games, and the afternoon turned into a lively session with Kiana, Bronya, Tesla, and Raiden Ryoma. When Einstein asked what Lin Nai was making for dinner, he protested that he had already cooked lunch.

• Lin Nai invited Mei Raiden to play a game, and she joined him, Kiana, and Bronya on the sofa.
• Bronya sat on Lin Nai's lap, prompting Kiana to argue with her before giving up.
• Lin Nai guided the group through Super Chicken Horse, and Mei grew more comfortable as they played.
• Tesla and Einstein joined the spectators, and Tesla later took a turn playing while Raiden Ryoma joined in.
• Einstein asked Lin Nai what they were having for dinner, and Tesla argued with Einstein when she offered to cook.

Lin Nai used the Herrscher of Reason's authority to build a grill, and the group shared a barbecue while Kiana explained the Honkai and Anti-Entropy to Mei Raiden. After dinner, Lin Nai and Kiana prepared to exercise, leaving Raiden Ryoma worried about the two young fighters.

• Lin Nai found ingredients in System Space and decided to hold a barbecue outside the villa.
• Lin Nai constructed a grill with the Herrscher of Reason's authority, shocking Mei Raiden and Raiden Ryoma.
• Kiana asked Lin Nai for permission to tell Mei Raiden about the Honkai, and then explained it and Anti-Entropy to her.
• Einstein brought over a lobster from Raiden Ryoma and joked with Lin Nai about grilling Tesla, who angrily protested.
• Bronya joined Kiana and Mei Raiden while Raiden Ryoma sat alone and wondered what Welt was doing.
• After dinner, Lin Nai and Kiana prepared to exercise, and Raiden Ryoma worried about them fighting.

Lin Nai sparred with Kiana, lending her the genuine Heavenly Fire Judgment after she forgot to bring her guns. He easily evaded and countered her attacks, and the chapter left Kiana aiming the weapon at him while Bronya called her an idiot.

• Mei Raiden asked whether Lin Nai and Kiana were siblings, and Einstein explained how they had met and begun traveling together.
• Kiana realized she had forgotten her guns, so Lin Nai tossed her Heavenly Fire Judgment and disabled its greatsword and flame lance modes.
• Einstein and Tesla told Raiden Ryoma that Heavenly Fire Judgment belonged to Lin Nai, who had taken it after defeating Siegfried.
• Lin Nai dodged Kiana's close-range attacks and then used a soft fist technique to send her flying.
• Kiana aimed Heavenly Fire Judgment at Lin Nai, admitted she had worried about hurting him, and Bronya called her an idiot.

Lin Nai defeated Kiana in a brief training match, then joined Einstein, Tesla, and the others on a tour of a secret ME Corp factory. He quietly examined the mech assembly process and concealed the components he had begun to produce.

• Kiana and Bronya bickered before Lin Nai urged them to resume their sparring.
• Lin Nai dodged Kiana’s shots, slapped aside Heavenly Fire Judgment’s attacks, and ended the match by pressing his hand to her forehead.
• Mei Raiden and Raiden Ryoma were astonished by Lin Nai’s strength, while Einstein and Tesla explained that the group had postponed its mech factory visit after getting engrossed in games.
• The next morning, Raiden Ryoma led the group through ME Corp’s secret factory, where Lin Nai considered possible giant mech designs and found the manufacturing process suspiciously simple.
• Lin Nai briefly produced components, then waved them away when Tesla and Einstein turned around and asked whether anything was wrong.

Lin Nai toured ME Corp.'s secret factory with Mei Raiden, Kiana, and Bronya, learning about Anti-Entropy's Titan and Thunder God Mechs. Tesla unveiled a redesigned Thunder God Mecha, and Lin Nai suggested improving its mobility as he inspected it.

• Mei Raiden joined Lin Nai, Kiana, and Bronya on a tour of ME Corp.'s secret factory after they explained Honkai and Anti-Entropy to her.
• Einstein explained that Titan Mechs were melee units, while Tesla described Thunder God Mechs as mobile artillery platforms.
• Einstein explained that Anti-Entropy deployed mechs using transport planes, aircraft, satellites, and Welt, while Tesla teased that Lin Nai might eventually help deploy them.
• Raiden Ryoma led the group through the testing area and showed them a black-and-orange mech based on the Thunder God Mecha.
• Tesla said the mech was her new design, and Lin Nai suggested adding wheels or nitrous acceleration to improve its mobility.

Lin Nai suggested making the Thunder God Mecha transform into a vehicle, and Einstein and Tesla considered the idea. During a test of Tesla’s Explosive Rattlesnake, Lin Nai realized the mecha was designed for mining as well as combat, then teased Tesla about being a “Lobster Doctor.”

• Lin Nai proposed that Thunder God transform into a car or airplane to improve its mobility, and Einstein and Tesla showed interest in researching the idea.
• Raiden Ryoma prompted Tesla and Einstein to begin the mecha test after they had spent over ten minutes talking.
• Tesla named the tested mecha the Explosive Rattlesnake, which attacked a Titan with missiles and a slow-charging explosive pillar.
• Lin Nai put headphones on Kiana, Bronya, and Mei Raiden before the pillar detonated in a powerful blast.
• Lin Nai deduced that the Explosive Rattlesnake was also intended for mining, and Tesla explained that explosives could speed up resource extraction.
• Lin Nai called Tesla a “Lobster Doctor,” prompting her to realize he had set a verbal trap and jokingly punch his shoulder.

Lin Nai learned about Anti-Entropy’s Ice Rattlesnake and went with Tesla and Einstein to test its rebuilt successor, then returned home to find Kiana still losing to Bronya in a fighting game. Kiana challenged Lin Nai to play, clearly hoping to turn the tables on him.

• Einstein and Tesla told Lin Nai that the Explosive Rattlesnake had been rebuilt from the Ice Rattlesnake, whose units had been destroyed by Honkai Energy Fission Bombs.
• Tesla explained that Anti-Entropy had only finished and begun manufacturing one new mech model, then told Lin Nai to buy groceries so they could eat at home.
• Bronya told Lin Nai that Kiana had lost to her 250 times, and revealed that she had repeatedly let Kiana come close to winning before defeating her.
• Lin Nai realized why Kiana had kept playing for hours and rubbed Bronya's head as she accepted the gesture.
• Kiana challenged Lin Nai to a game, and Lin Nai suspected that she was planning something.