Chapter Summaries

Diana and Bruce helped Miaomiao understand that fighting skillfully meant avoiding unnecessary injuries, and she promised not to trade harm for a chance to hit an opponent. Diana offered to teach Miaomiao how to use her strength properly.

• Diana explained that Miaomiao needed techniques for fighting people and controlling her strength.
• Bruce asked why Miaomiao had taken Diana's punch instead of dodging, and Miaomiao said she wanted to land a hit.
• Bruce and Alfred explained that deliberately injuring herself during a spar was different from unavoidable training injuries.
• Miaomiao realized that her injuries worried them and promised not to do it again.
• Diana teased Bruce until Miaomiao laughed, then offered to teach her how to turn her strength into a weapon.

Diana trained Miaomiao to fight with precision and taught her to find openings instead of relying on strength. Meanwhile, Bruce and the others discovered mermaid silk could resist magic, and Miaomiao suggested weaving it thinly into their equipment.

• Diana began teaching Miaomiao to attack precisely and avoid trading injuries, then showed her how her forward weight left an opening.
• Miaomiao learned to observe Diana's movements, found a deliberately exposed weakness, and tapped Diana's side.
• Diana continued training Miaomiao every other afternoon to help her adapt her Merfolk abilities to fighting people and anticipate opponents' moves.
• Tim and Bruce reported that Miaomiao's mermaid silk could cushion physical attacks and resist certain magical attacks.
• Jason, Tim, and Damian discussed incorporating mermaid silk into their gear, and Miaomiao proposed weaving it very thin without reducing its spiritual power.

Bruce and the Bat Family tested Miaomiao’s exceptionally thin mermaid silk and found it protected against both physical and magical attacks. Miaomiao explained that her happiness and sense of safety let her weave the finest silk quickly, and Alfred called everyone to dinner as they resolved to treat her even better.

• Miaomiao wove a thin piece of mermaid silk, and Jason found that his dagger could not cut it.
• Jason tested the fabric with his All-Caste Blade, and the silk withstood the magical attack without damage.
• Bruce asked how much silk Miaomiao could safely weave, and she said she could make enough for one robe each day.
• Damian questioned why Miaomiao could produce such rare silk so easily, and Miaomiao explained that Merfolk weave their finest silk when they feel safe and happy.
• Alfred arrived to call everyone to dinner, gave Miaomiao a cloak, and said they should treat her even better.

Miaomiao struggled to combine mermaid silk and Kevlar until Alfred’s advice about balancing cookie ingredients inspired her to weave in her spiritual power. Her new fabric passed the Batcave’s tests, combining strong physical protection with improved magical resistance.

• Miaomiao proposed weaving mermaid silk together with Kevlar or carbon fiber, and Bruce provided Kevlar fabric for her experiments.
• Tim, Bruce, Jason, and Damian helped Miaomiao test different weaving methods, but the samples failed to combine the materials’ properties effectively.
• Alfred explained how salt and lemon juice balance flavors, prompting Miaomiao to use spiritual power as a third thread in the fabric.
• Miaomiao finished a thin, tough fabric that healed a shallow cut after Bruce tested it with a Batarang.
• Tim tested the new fabric and found that it met physical protection standards and increased magical resistance by 47 percent.

Miaomiao visited Killer Croc after helping the Bat Family develop lighter, magic-resistant mermaid silk equipment. Killer Croc told her that Penguin and Scarecrow were planning an attack, and she rushed to warn Bruce and the others.

• Miaomiao and the Bat Family tested mermaid silk blends and upgraded their suits and equipment with lighter, waterproof, magic-resistant materials.
• Miaomiao brought cookies and tea to Killer Croc's underground lair and waited until he returned.
• Killer Croc told Miaomiao that Penguin had recruited him for a plan involving Scarecrow.
• Miaomiao hurried to the Batcave and told Bruce and Tim that Penguin and Scarecrow were up to something.
• Miaomiao relayed that Scarecrow planned to release fear toxin in three districts while Penguin used the chaos to ship smuggled goods through Miller Harbor.

Waylon Jones rejected Penguin’s offer and decided not to betray Miaomiao, whom he regarded as his friend. After finding her asleep in his den, he realized Penguin’s plan could put her in danger and prepared to warn her.

• Waylon recalled how he sheltered homeless children and endured others treating him as a monster and a tool.
• Waylon decided he would not join Penguin and Scarecrow’s plan, since it could make him an enemy of Batman and put Miaomiao at risk.
• Waylon told Penguin he was leaving because Miaomiao was his friend, then walked away despite expecting retaliation.
• Waylon returned to his den and found Miaomiao asleep on his couch after delivering supplies.
• Waylon feared that Penguin might have recruited other villains and that Miaomiao could be hurt, so he went to tell her what was happening.

Scarecrow released fear toxin from the Ace Chemical Plant while Batman and his allies were occupied with toxin trucks and Two-Face, leaving Gotham under attack from both fronts. As the toxin spread, Miaomiao called for rain, and a storm began sweeping over the city.

• Scarecrow and Penguin coordinated an attack, with Scarecrow preparing to spread toxin across Gotham while Penguin arranged for Two-Face to distract Batman.
• Scarecrow released fear toxin through the Ace Chemical Plant’s chimneys and vents as Batman, Robin, Red Hood, and the police dealt with toxin trucks and Two-Face.
• Red Robin identified the chemical plant as the real threat, while Miaomiao noted that rain could stop the spreading toxin.
• Miaomiao’s words were followed by lightning, thunder, and a storm breaking over Gotham.

Miaomiao’s sudden storm dispersed Scarecrow’s fear toxin, but Penguin tried to escape Miller Harbor in his armored car. Miaomiao stopped the car with a wall of water, and Penguin ordered a bodyguard to attack her.

• A torrential storm diluted Scarecrow’s fear toxin, and Scarecrow fled with his remaining canisters.
• Miaomiao told Red Robin that summoning the rain had not exhausted her, then spotted Penguin preparing to escape.
• Miaomiao rushed to stop Penguin, prompting Red Robin to warn Red Hood and send him toward Miller Harbor.
• Penguin’s armored Rolls-Royce kept moving after Miaomiao’s Water Arrows punctured its tires.
• Miaomiao raised a wall of water in front of Penguin’s car, causing it to crash and stop.
• Penguin ordered a bodyguard to get out and kill Miaomiao.

Miaomiao confronted Penguin in the rain and overcame his bodyguards and weaponized car. She hauled Penguin out, leaving him captured and still shouting at her.

• Penguin ordered his bodyguards to knock Robin out, and they reluctantly faced Miaomiao in the rain.
• Miaomiao paralyzed both bodyguards with her toxin and left them sprawled in the water.
• Penguin activated his car's machine guns, but Miaomiao dodged the fire and incapacitated the driver.
• Miaomiao shattered the car's bulletproof window and tore through its armored door, while her uniform repelled Penguin's poisoned needles and umbrella blade.
• Penguin called Miaomiao an outcast and threatened her, but she ignored him and dragged him out of the car.

Miaomiao confronted Penguin and defeated his men, while Killer Croc arrived and spoke with her as though he were a concerned friend. Penguin mistook the scene for a hallucination caused by Scarecrow’s fear toxin, whose effects on Waylon were left unresolved.

• Miaomiao knocked Penguin’s umbrella into a puddle, scattering its toxin capsules, and ignored his attempts to make her remember his name.
• Killer Croc arrived to find Penguin’s vehicle wrecked and his guards down, while Penguin begged him to attack Miaomiao.
• Killer Croc scolded Penguin for interrupting his conversation with Miaomiao, leaving Penguin convinced he was hallucinating.
• Waylon recalled that he had come to check on Miaomiao after hearing trouble and had encountered Scarecrow while heading toward Miller Harbor.
• Scarecrow sprayed fear toxin into Waylon’s face after Waylon refused to join him.

Waylon overcame Scarecrow’s fear toxin and reached Miller Harbor, where Miaomiao had captured Penguin. After she scattered Penguin’s trained carrion birds with Batman’s Bird Repellent, Miaomiao’s legs transformed into a fish tail.

• Waylon resisted Scarecrow’s fear toxin, beat Scarecrow and his mercenaries without killing them, and left them for the police.
• Waylon reached Miller Harbor and found Miaomiao had captured Penguin, while Red Hood taunted Penguin and picked a fight with Killer Croc.
• Penguin used an ultrasonic whistle to summon his trained crows and jackdaws, but Miaomiao knocked him unconscious before he could escape.
• Batman arrived with Bird Repellent, and Miaomiao spread it over the flock, forcing the birds to fly away.
• Miaomiao’s repeated use of Spiritual Power Arts disrupted her balance cycle, transforming her legs into a blue-violet fish tail.

Miaomiao unexpectedly transformed into a mermaid while celebrating the mission’s end, embarrassing herself in front of the Batfamily. With police approaching, the group left the scene, while Killer Croc departed on his own after promising to keep Miaomiao’s secret.

• Miaomiao’s legs turned into a fish tail, and Red Hood caught her and covered her with his cape as Batman checked that she was unharmed.
• Miaomiao demanded that everyone forget her transformation, but Robin admitted he had recorded it, and Alfred promised to have the video deleted.
• Batman thanked Waylon Jones for helping stop Scarecrow’s escape, and Waylon promised not to reveal Miaomiao’s secret before leaving through a manhole.
• Miaomiao invited Waylon to join them for cocoa, but he declined and vanished underground.
• Batman led the group away as police approached, with Miaomiao riding in the Batmobile and Robin reluctantly climbing onto Red Hood’s motorcycle.

Tim, Damian, and Miaomiao planned to weaken Joker’s influence by cutting off his publicity, erasing his traces, and keeping Harley Quinn occupied. Dick Grayson discovered their secret meeting and confronted them about the plan.

• Tim explained Joker’s attention-seeking crimes, signature colors, and followers to Miaomiao and Damian.
• Miaomiao suggested that Pamela keep Harley Quinn occupied so she could not help Joker.
• Damian proposed cutting off Joker’s publicity channels and erasing traces of his past crimes.
• Dick Grayson entered the library, praised Miaomiao, and asked whose idea the Joker Oblivion Plan was.

Dick agreed to keep Damian, Tim, and Miaomiao’s plan secret from Bruce as they discussed quietly erasing the Joker’s influence and disrupting his operations. Miaomiao and Damian infiltrated a Joker Gang meeting, but the chapter ended when the gang’s leader challenged a hesitant newcomer to chant.

• Dick promised not to tell Bruce about the plan, and Tim proposed gradually filtering online Joker reports while the others targeted physical traces and stockpiles.
• Miaomiao volunteered to infiltrate the Joker Gang, and Tim supplied her and Damian with false identities and hacked their verification system.
• Damian and Miaomiao joined a Joker Gang meeting at an abandoned amusement park, where members indoctrinated newcomers with posters, masks, recordings, and the Joker’s speech.
• A veteran member gave Miaomiao a Joker poster and demanded that she honor the Joker, while Damian restrained his reaction to preserve their cover.
• The gang leader noticed that the newcomers were not chanting and confronted a frightened young man beside Damian and Miaomiao.

Damian and Miaomiao went undercover at a Joker Gang gathering and helped the police raid the site. Most members were arrested, but the leader with hypnotic powers escaped.

• The Joker Gang leader used hypnotic persuasion to turn a reluctant recruit into a follower, and Miaomiao and Damian realized how the gang drew in and controlled people.
• A veteran gang member threatened Damian and Miaomiao for not chanting, so they reluctantly joined the crowd while keeping their cover.
• Tim signaled that the police were closing in, and the arriving sirens sent the panicked Joker Gang members scattering.
• Damian led Miaomiao into the shadows and tripped the veteran gang member with a thrown metal ornament as they escaped.
• Tim reported that the police had arrested most of the gang at the gathering site, but the hypnotic leader had gotten away.

Miaomiao recorded a song infused with the Merfolk's Illusion Song and used Drake Enterprises to broadcast it across Gotham, hoping to draw lost recruits away from the Joker Gang. As the song reached its followers, crime and Joker Gang activity declined, and Batman reviewed the results in the Batcave.

• Miaomiao decided to target the Joker Gang's new recruits and reserves, while Tim, Damian, and Dick supported her efforts.
• Miaomiao recorded a song that carried joy and hope without controlling its listeners.
• With Timothy Drake's support, the song spread across Gotham through the underground radio and Drake Enterprises.
• The song reached Joker Gang followers and helped some abandon violence and reconsider their lives.
• Gordon received reports showing Joker Gang gatherings had fallen by seventy percent and crimes of passion had reached a six-month low.
• Batman saw the report about the Mysterious Song and smiled.

As Gotham’s young heroes settled into a calmer routine, Bruce prepared Wayne Manor for a private visit from Clark Kent and his family. Miaomiao learned who was coming and grew eager to meet the Kents’ two superpowered sons.

• Tim finished developing the Joker-Related Information Filter Software and finally had time to rest, easing tensions among the three young Bat-kids.
• Dick warned Alfred that the children’s unusual quiet might mean they were hiding something, but Alfred said he trusted them, leaving Dick feeling guilty.
• Bruce told Alfred that Clark Kent and his family would visit, and Alfred arranged ingredients for a dinner at Wayne Manor.
• Miaomiao helped prepare cookie batter and asked Alfred why so many ingredients were being brought into the manor.
• Alfred explained that Clark’s wife Lois was an ordinary human reporter and that their sons Conner and Jonathan had Kryptonian blood and superpowers.

The Wayne family anticipated the Kents’ visit, but Damian dismissed Superman as inefficient until Miaomiao showed him that small acts of kindness mattered to those they helped. Damian fled in embarrassment as Dick and Jason started scuffling and Tim nearly fell asleep at the table.

• Miaomiao grew excited about meeting Superman and his family after Alfred and the others described them.
• Damian insulted Superman, and Bruce and Alfred told him to mind his language and respect their ally.
• Miaomiao asked Damian whether Superman’s small acts of help were trivial, then compared them to Damian rescuing animals as Robin.
• Damian blushed and left to check whether the Kent Family had arrived.
• Dick and Jason scuffled while Tim drowsily cheered them on, and Bruce watched the dining room’s chaos with a faint smile.

Clark Kent visited Wayne Manor with Lois and their sons, Conner and Jon, and introduced his family to the Waynes. Jon met Miaomiao and eagerly asked about her mermaid tail, while the children prepared to explore the manor grounds.

• Alfred welcomed Clark, Lois, Conner, and Jon to Wayne Manor after they arrived by an unusual, economical route.
• Clark introduced Lois and his sons, explaining that Conner was reserved and Jon was eager to meet Miaomiao.
• Jon shyly asked Miaomiao whether her tail was like the Little Mermaid's, and Miaomiao introduced herself as Miaomiao Wayne.
• The residents of Wayne Manor introduced themselves, and Damian declared himself the family's only legitimate heir.
• Alfred offered the guests refreshments and pointed out the manor's activities for the boys.
• Lois took her apple pie to the kitchen with Alfred, while Dick invited the children to walk in the garden.

Dick took the younger heroes into Wayne Manor’s backyard, where Little Jo and Conner met Miaomiao by the pool. Miaomiao revealed her blue-violet tail to Little Jo and explained that she was deep-sea Merfolk, leaving him convinced her kind was more amazing than the fairy-tale Little Mermaid.

• Dick led the younger heroes outside, and Titus greeted Conner and Little Jo.
• Little Jo stared at the pool because he had hoped to see a Little Mermaid, while Conner hid his own curiosity.
• Miaomiao asked Little Jo if he wanted to see her tail, and he cautiously agreed.
• Miaomiao jumped into the pool and transformed her legs into a shimmering blue-violet tail.
• Miaomiao explained that she was deep-sea Merfolk and could speak and change between tail and legs.
• Little Jo compared her to the fairy-tale Little Mermaid and concluded that Miaomiao’s Merfolk were even more amazing.