Chapter Summaries

Xina manipulated Otto’s suspicions while planning to test his feelings for Kallen, as Sirin’s Honkai Beasts overwhelmed Anti-Entropy’s defenses on Hyperion. The battle shifted when a blue figure self-destructed in an immense burst of cold, freezing both Honkai Beasts and mechs.

• Xina noticed that Otto had spotted her injured right arm, then agreed to prepare to accompany him to meet a friend while considering how to use his suspicions to test Kallen’s importance to him.
• Anti-Entropy mechs arrived on Hyperion to protect Mei, but Sirin opened a Teleportation Gate and sent chimeric Honkai Beasts into the battle.
• Sirin praised the chimeric Overlord-class Honkai Beasts as they tore through Anti-Entropy’s mechs, and Einstein ordered the survivors to retreat behind a barrier while long-range units prepared to attack Sirin.
• Hyperion detected Herrscher-level energy from a blue figure that landed behind the mech barrier, and the figure self-destructed, freezing the mechs and Honkai Beasts across the deck.

Sirin rescued Mei and confronted Theresa while the Honkai Beasts wiped out Einstein’s reinforcements. Bronya joined the fight with Star of Eden, leaving Theresa with an opening through the horde as Sirin turned her attention toward Bronya.

• The Honkai Beasts broke free of the ice and destroyed Einstein’s reinforcements in eight minutes and thirty-seven seconds.
• Sirin held Mei and teased her, but Theresa arrived and attacked Sirin with Judah.
• Einstein told Theresa that Kiana’s Honkai energy measured 3876 HW, then learned Bronya planned to join the fight.
• Einstein gave Bronya Star of Eden and told her to return it if she survived.
• Sirin sent Mei to a Honkai Beast and confronted Theresa, but the chimeric Honkai Beasts ignored her orders.
• Bronya used Star of Eden to blast an opening through the horde, drawing Sirin’s attention.

Sirin teleported Theresa and Bronya to Destiny Headquarters and toyed with them while holding Mei captive. After breaking their attempt to restrain her, Sirin reclaimed the Gem of Conquest from Mei and left her unconscious.

• Sirin teleported Theresa and Bronya away from the Hyperion and challenged them to fight her while a Honkai Beast guarded Mei.
• Theresa and Bronya attacked Sirin, but she evaded their strikes with Teleportation Gates and prepared to kill them.
• Theresa baited Sirin into a trap as Bronya used the Star of Eden to restrain her with Judah’s chains.
• An Overlord-class Honkai Beast fired at Judah and shattered its chains, allowing Sirin to break free, seize Theresa, and pin Bronya to the ground.
• Sirin changed her mind and extracted the Gem of Conquest from Mei, leaving her unconscious as Bronya called out to her.

Fu Hua fought Sirin to protect Theresa, Bronya, and Mei, but Sirin overwhelmed her and prepared to kill her. Otto arrived with a white-haired woman and asked Sirin to spare Fu Hua, leaving her fate uncertain.

• Fu Hua intercepted Sirin's lightning attack and ordered Bronya to evacuate Theresa and Mei.
• Fu Hua fought Sirin, dodging her attacks and asking how she had gained the Gem of Hopes' power.
• Sirin summoned Honkai Beasts to swarm Fu Hua, but Fu Hua broke through the horde and kicked Sirin away.
• Sirin struck Fu Hua with a barrage of lightning, disabling her armor and leaving her injured on the ground.
• Sirin aimed a Void Lance at Fu Hua's heart, but Otto arrived and asked Sirin to spare his old friend.

Otto explained to Fu Hua that he intended to use K-423's bonds with her friends to help her overcome Sirin, even though he expected Theresa and the others to die. After Fu Hua rejected his plan and cursed him, Otto shot her and ordered Xina to take her body away.

• Sirin left after Otto deterred her from killing Fu Hua.
• Otto told Fu Hua that Sirin had taken control of K-423's body and that Theresa's group would soon face her.
• Otto revealed that he planned to use the deaths of K-423's loved ones as a catalyst to help her defeat Sirin.
• Fu Hua condemned Otto and refused to join him, and Otto admitted he would accept Kallen's hatred if she returned.
• Otto shot Fu Hua, then ordered Xina to retrieve her body.

Otto attacked Xina with a syringe containing a substance designed to harm Herrschers, but she revealed she had faked its effects and neutralized it. As Otto tried to learn what the Herrscher of Ice was doing, Xina claimed she had gone to find Kallen.

• Otto stabbed Xina with the syringe while she carried Fu Hua's body, then aimed Mimicry: Judgement of Shamash at her and demanded to know who she was.
• Xina pretended to suffer from the injected substance, then revealed the act and froze Otto's weapon when he tried to fire.
• Xina explained that she had stopped the substance from reacting with her Honkai energy and extracted it from her body.
• Otto questioned why the God-Slaying Spear had failed, and Xina concealed her fluid-manipulation power and immunity gained through repeated exposure to similar medicine.
• Otto asked where the Herrscher of Ice was, and Xina claimed she had used an access code to enter his secret warehouse and find Kallen.

Xina confronted Otto about Kallen Kaslana and demanded the Gem of Pestilence, then learned it was in Destiny Headquarters and attacked him. After she tore off his head, she discovered that the body was made of Soul Steel and Otto was only a double.

• Xina provoked Otto by connecting Amber and Theresa's genes to Kallen Kaslana, and his reaction confirmed that he wanted to resurrect Kallen.
• Xina demanded the Gem of Pestilence and threatened to corrupt Kallen's genes, turning Kallen and anyone carrying her genes into hideous, mindless monsters.
• Otto offered to discuss handing over the Gem of Pestilence and revealed that it was in Destiny Headquarters.
• Xina lost interest in negotiating, twisted off Otto's head, and said she would search the headquarters for the gem.
• Xina examined Otto's cracked head and realized that his body was made of Soul Steel and that he was a double.

Xina mobilized her Honkai Beasts to search for the Gem of Pestilence, then summoned Sirin and revealed the real Sirin’s frozen body. She began evolving her Guard Honkai Beasts with the remains of defeated Emperor-class beasts, producing one that had reached Emperor-class rank.

• Xina ordered Queen Honkai Beasts to produce more forces and Assault-Class Honkai Beasts to prevent aircraft from leaving Destiny Headquarters, then took Fu Hua’s body away.
• Sirin stopped attacking Bronya, Mei, and Theresa, allowing Bronya to turn back and check on the injured Theresa.
• Xina summoned Sirin to the core reactor and showed her the frozen body of the real Sirin.
• Xina asked Sirin to preserve Kiana’s consciousness, then explained that she planned to use Emperor-class Honkai Beast remains to strengthen her Guard Honkai Beasts.
• Xina guided a Guard Honkai Beast to assimilate BishaZhe’s remains and reactor energy, and it evolved to the threshold of Emperor-class rank.

Himeko woke in a Destiny Headquarters confinement cell and freed Tesla, who angrily complained about Fu Hua. Fu Hua appeared to Himeko alone and warned that the Herrscher of the Void had awakened within Kiana, then gave Himeko directions to escape and reach an Underground Laboratory without answering whether Theresa, Mei, and Xina were safe.

• Guard Honkai Beasts completed their secondary fusion and began searching Destiny Headquarters for the Gem of Pestilence.
• Himeko woke in Confinement Cell No. 16 and found Tesla bound with hemp rope.
• After Himeko removed the gag, Tesla cursed Fu Hua for tying her up and complained about Himeko's students.
• Fu Hua appeared to Himeko but vanished whenever Tesla looked toward her, then warned that the Herrscher of the Void had awakened within Kiana.
• Fu Hua gave Himeko an escape route and directions to an Underground Laboratory, while avoiding Himeko's question about Theresa, Mei, and Xina.

Himeko and Tesla escaped their confinement and made their way to the secret entrance of Destiny Headquarters’ Underground Laboratory, unaware that Xina was tracking them and had ordered her Honkai Beasts to let them pass. They reached the guarded laboratory entrance and prepared to infiltrate it.

• Fu Hua warned Himeko that Xina was no ordinary person, then vanished.
• Himeko used a Destiny Headquarters pass card to free Tesla, and they found signs that something had already forced its way through the building.
• Himeko and Tesla headed for the Underground Laboratory while Xina watched them through a Honkai Beast and ordered her forces to let them pass.
• Himeko and Tesla opened the hidden entrance beneath a fountain and discovered Mechanical Guards patrolling the laboratory.
• Himeko planned to draw the guards’ attention while Tesla slipped in and hacked their systems.

Himeko and Tesla disabled the Underground Laboratory’s defenses and escaped its released Honkai monsters, but the communications equipment at their destination was broken. They continued toward the laboratory’s anti-Herrscher secret, where Himeko defeated two Sub-God Machines.

• Alarms drew the Mechanical Guards away, allowing Himeko and Tesla to reach the control room, where Tesla shut down the defense system and unlocked the floating elevator.
• Released Honkai monsters pursued Himeko and Tesla, but they escaped into the elevator and rode it to their destination.
• The awakened God Machine Heimdall killed several escaped subjects before four Frost Emperors and their Temple-Class Honkai Beast underlings attacked it.
• Tesla found the communications equipment broken, set an Anti-Entropy cipher for Bird's Nest Head, and continued onward with Himeko.
• Tesla stumbled in a special field, and Himeko explained that the rings had created it before two Sub-God Machines attacked them.
• Himeko dodged the missiles and dismantled the Mistelteinn Ω and Ydalir ∑ mechs.

Himeko and Tesla explored the laboratory, where they found signs of a hidden production line and fought its Mechanical Guards. After Fu Hua privately showed Himeko a route to a lower level, Himeko left Tesla behind and discovered a hall of advanced God-Slaying Armor, including the Moon Knight Moon Ash.

• Himeko told Tesla about her years as a Valkyrie and her former Assault Team as they reached the laboratory entrance.
• Himeko and Tesla slipped past Honkai Beasts fighting guard mechs, then entered the laboratory and found equipment and energy conduits resembling a production line.
• Himeko defeated the Mechanical Guards, while Tesla examined the main control system and found that Schicksal's mechs had emptied the raw material production line.
• Fu Hua appeared to Himeko alone and revealed a hidden passage leading farther down; Himeko told Tesla to wait and went below by herself.
• Himeko reached a hall of Fourth Generation God-Slaying Armor and read the displays for the decommissioned Extreme Knight Moon Sky and the Moon Knight Moon Ash.

Himeko entered the Crimson Armor, Scarlet Knight Eclipse, to test the Gem of Pestilence, while Xina sensed the Gem and tried to locate it. The chapter left Destiny Headquarters losing power as Xina cut the reactors’ energy supply, and Vasuki prepared to report Tesla’s presence to Xina.

• Himeko and Fu Hua reached the Crimson Armor, and Fu Hua explained that it used a treasure from the Previous Civilization and the Gem of Pestilence to grant Herrscher-level strength temporarily.
• Himeko chose to wear the armor, and Fu Hua authorized the equipment bay to open.
• Himeko entered Scarlet Knight Eclipse for its first trial and lost consciousness as the armor equipped itself.
• Xina sensed the Gem of Pestilence, sent the Guard Honkai Beast to investigate, and ordered Honkai Beasts to disconnect the reactors’ energy pipelines.
• Destiny Headquarters began losing power, while Vasuki spotted Tesla above the laboratory and decided to report her to Xina.

Xina staged a rescue of detained technicians and Valkyries, then brought them to the Hyperion after escaping Destiny Headquarters. Einstein gave her coordinates left by Himeko and Tesla, and Xina set out to find them.

• Xina saw Tesla in the laboratory through Vasuki’s eyes, then ordered Honkai Beasts to demolish buildings to vent her frustration.
• Xina wounded herself and freed the detained researchers, claiming a Herrscher had thrown Destiny Headquarters into chaos.
• Xina guided the technicians and Valkyries to the air harbor, where they escaped aboard a drone moments before it exploded.
• Xina requested docking with the Hyperion, and Einstein allowed her survivors aboard but gave her coordinates for a rescue mission.
• Xina recognized the coordinates as Himeko’s and Tesla’s, traced their likely route across a map, and prepared to go after them.

Himeko and Tesla reached an abandoned air harbor, where Xina rescued them with a drone and flew them toward the crashing Hyperion. Himeko returned to the ship to help defend it as Tesla reported catastrophic Honkai conditions.

• Himeko and Tesla searched the ruined air harbor for an aircraft after finding no rescue team.
• Xina arrived in a drone, picked up Himeko and Tesla, and headed toward the crashing Hyperion.
• The Hyperion crash-landed in the sea, and Einstein ordered the Valkyries to defend its reactor and upper deck from Honkai Beasts.
• Bronya led the Far East Branch Valkyries to clear the upper deck, but Himeko arrived and wiped out the attackers with her flames.
• Xina shot a Death Stalker that had appeared behind Himeko.
• Tesla reported that the air's Honkai energy concentration was 8,500 times normal and that Honkai Beasts surrounded the ship.

Himeko fought Sirin aboard the damaged Hyperion and helped the crew fire the Moonlight Throne, but Ganesha deflected the cannon and Sirin escaped. Himeko survived with injuries, while Ganesha fled into the sea with the damaged cannon and Xina supported her.

• Tesla told Himeko the Hyperion could fly again after its reactor was restarted, just as Sirin appeared through a Teleportation Gate and attacked.
• Himeko fought Sirin with the God Slayer Sword, overpowering her and holding her in place for the Hyperion’s main cannon.
• Einstein fired the Moonlight Throne at Sirin and Himeko, but Ganesha headbutted the cannon barrel and redirected the beam.
• The beam wounded Sirin, who broke free of Himeko and escaped through a Teleportation Gate.
• Ganesha ate part of the Hyperion’s cannon, then fled into the sea when Himeko charged at it.
• Xina helped the injured Himeko, who joked about her wounds until Xina pressed one of them.

Himeko and Xina headed toward the Hyperion’s upper deck as a mysterious Honkai energy threat approached, while Benares was attacked by Emperor-class Honkai Beasts. Himeko discovered that the girl beside her was not her student, and the impostor taunted her after being exposed.

• Xina ordered the injured Himeko to stay in the Medical Room, but Himeko took her sword and headed for the upper deck when the Hyperion’s alarm sounded.
• Xina forced her way into the elevator with Himeko, while Tesla and Einstein watched Emperor-class Honkai Beasts attack Benares outside.
• Himeko noticed Xina showed no genuine fear of facing a Herrscher and suspected that she was not really her student.
• Himeko swung the God Slayer Sword at Xina, and Xina caught its blade barehanded before pretending to fall.
• Himeko stopped the elevator and demanded to know who Xina was and where her student had gone.
• Xina admitted she had been found out and playfully challenged Himeko to kill her.

Himeko exposed Xina as the Herrscher of Death after noticing that Xina’s Amethyst Earring could not have been copied. Xina admitted she was every Herrscher and offered Himeko anything she wanted if she would join her, but Himeko refused.

• Xina threatened Himeko while pretending to be the real Xina, but Himeko recognized her Amethyst Earring as the flaw in her disguise.
• Himeko confronted Xina, who admitted she was every Herrscher and said her affection for Himeko had been real.
• Xina explained that she saw her Valkyrie life and Herrscher work as separate, then offered Himeko immortality, power, and a chance to live in a future civilization.
• Himeko called Xina’s terms excellent but firmly shook her head, refusing the offer.

Xina defeated Himeko, took control of the Crimson Armor and the Gem of Pestilence, and left Himeko trapped in the elevator. A new threat arrived aboard Hyperion as the Emperor-class Honkai Beasts bowed and the ship’s deck began melting from the heat.

• Himeko rejected Xina’s offer and attacked her, but Xina froze the God Slayer Sword and overpowered her.
• Xina took Himeko’s appearance, altered the Crimson Armor’s authorizations, and claimed the armor and its weapon.
• Xina removed the Gem of Pestilence, conquered its will, and declared that its flames belonged to her.
• Xina left Himeko trapped behind the melted elevator wall and vanished with the Nirvana Flame Sword.
• Tesla noticed the ship’s energy readings surging as the Emperor-class Honkai Beasts stopped fighting Benares and prostrated themselves on Hyperion’s deck.
• Einstein identified an approaching presence as the deck melted into molten steel and the command room’s temperature rose to fifty degrees.

Xina fully mastered the Gem of Pestilence and the Eternal Gem, becoming the complete Herrscher of Frost Annihilation. After confronting the Hyperion crew and sparing Himeko, she fled as a massive storm formed around the ship, then heard Sirin comment on her new power.

• Tesla urged Einstein to warn everyone and abandon the Hyperion, but Einstein said fleeing would not help.
• Xina rose above the Hyperion as a sunlike blaze erupted and declared herself a Herrscher wielding several powers.
• Xina melted the command-room windshield and the Valkyries' weapons, then told Himeko she would spare her if she left.
• Xina removed the Amethyst Earring and escaped on an Azure Wind Serpent as the Hyperion departed.
• More than a dozen enormous waterspouts formed, and Sirin remarked that Xina had obtained the Gem of Pestilence's power.