Chapter Summaries

Chen Shi explained the basics and risks of Mega Evolution, then watched Cynthia defeat Leon in a close battle. After Cynthia returned from treating her Pokémon, she teased Chen Shi by telling him to call her “Severe Indecisiveness.”

• Chen Shi refused to tell Cynthia whether Garchomp and Lucario had changed, then explained how trainers could learn to use Mega Evolution safely.
• Chen Shi warned Steven that Mega Evolution could attract jealousy, and Steven left to report the discovery to his family.
• Cynthia’s Milotic lost to Leon’s Inteleon, and her Lucario and Leon’s Cinderace then knocked each other out.
• Cynthia’s Garchomp defeated Leon’s Charizard and Inteleon, while Leon accepted his loss with relief and applause.
• Chen Shi offered Cynthia water when she returned, and she told him to call her “Severe Indecisiveness.”

Chen Shi learned that Mu Jin Stone planned to come to the conference, while his grandfather had already publicly shown his support. Professor Oak then brought Chen Shi before prominent League officials and researchers to answer questions about Mega Evolution, where Agatha unexpectedly offered to make him her student.

• Steven told Chen Shi that Mu Jin Stone would arrive in person the next day and that Chen Shi’s grandfather had flown over Mauville City with two champion-level Pokémon to support him.
• Professor Oak took Chen Shi to a meeting with leading officials and researchers, including Professor Rowan, who wanted to learn how Charizard had evolved again.
• Chen Shi greeted Miyazaki Ryuno and recognized several Elite Four members, Champions, and Charles Goodshow among the attendees.
• Agatha offered to take Chen Shi as her student, leaving him caught between refusing her and offending Professor Oak, so he pretended he could not speak.

Chen Shi revealed that Charizard’s new evolution was Mega Evolution and explained its basic requirements to the League leaders. Professor Oak demanded costly rewards in exchange for detailed information, and Charles Goodshow postponed the decision after sending Chen Shi away.

• Professor Oak and Miyazaki Ryuno objected when Agatha tried to involve Chen Shi in her grudge, and Agatha stopped pressing him.
• Chen Shi told the gathered leaders that the evolution was called Mega Evolution and required Key Stones, Mega Stones, and a strong bond between Trainer and Pokémon.
• Miyazaki Ryuno asked Chen Shi to announce Mega Evolution and publish a paper, offering the League’s help in exchange for his requests.
• Professor Oak demanded access to Vault No. 1, three selections from Vault No. 2, and a professorship for Chen Shi, prompting a middle-aged man to object.
• Charles Goodshow asked Professor Oak whether the League should pay the price, then told Chen Shi to leave while the leaders considered the terms.

Chen Shi reflected on the support behind his success as he returned to the lounge and told his friends that Mega Evolution would be announced after the Pokémon World Championships. He gave Pheobe a Key Stone and Gengarite, then joined everyone to watch Lance face Diantha.

• Chen Shi met Steven outside the lounge, and Steven said he had narrowly defeated Wallace.
• Chen Shi reassured Cynthia that Professor Oak was negotiating benefits for him and told Steven he could freely collect Mega Stones and Key Stones.
• Chen Shi gave Pheobe a Key Stone and Gengarite as thanks to the Mt. Pyre lineage for Giratina's scale.
• Chen Shi and the others began watching the day's final match between Lance and Diantha, whom Chen Shi expected to lose.

After Diantha lost to Lance, Chen Shi learned that Lance’s Dragonite was near Elite Four strength. Chen Shi escaped reporters and discovered that the League had offered him access to two vaults in exchange for a paper on Mega Evolution.

• Chen Shi and Cynthia left the lounge holding hands, and Professor Oak returned and teased them before inviting Chen Shi to lunch.
• Chen Shi, Cynthia, Steven, and Professor Oak encountered reporters waiting outside the Silver Conference Hall, and Chen Shi escaped them on Dragapult.
• At the hotel, Chen Shi teased Professor Oak until he revealed that the League had agreed to let Chen Shi choose one item from Vault No. 1 and three from Vault No. 2.
• Professor Oak told Chen Shi that he had to publish a paper on Mega Evolution within two weeks after the Pokémon World Championships, while the Doctor title remained out of reach.

After Professor Oak confirmed that Kangaskhan’s Mega Evolution allowed her child to battle outside her pouch, Chen Shi helped Steven identify Mega Stones and encouraged his Pokémon before the next day’s semifinal. Cynthia left to handle personal business, and Chen Shi hoped his semifinal opponent would be Steven or Lance rather than her.

• Chen Shi asked Professor Oak about the contents of the first two vaults, but Oak refused to explain and said they could choose after the Pokémon World Championships.
• Professor Oak told Chen Shi that Kangaskhan’s child had been able to leave her pouch and fight alongside her after Mega Evolution.
• Cynthia left to handle personal business, reassuring Chen Shi that she was fine, while Pheobe told him not to worry.
• Steven asked Chen Shi to identify his remaining Mega Stones, and Chen Shi took a Charizardite Y while identifying another stone as a Tyranitar Mega Stone.
• Chen Shi praised Charizard for its progress and told Metagross and Togekiss they would battle the next day.
• Chen Shi realized he might face Cynthia in the semifinal and silently hoped to draw Steven or Lance instead.

Chen Shi faced Cynthia in the Pokémon World Championships semifinals and opened the six-on-six battle with Togekiss against Gastrodon. Togekiss’s Air Slash repeatedly flinched Gastrodon until it fainted, leaving Cynthia to face Chen Shi’s newly revealed tactic.

• The semifinal draw paired Chen Shi against Cynthia and Steven against Lance, and Cynthia asked Chen Shi to give the battle everything he had.
• Chen Shi entered the arena determined to defeat Cynthia and sent out Togekiss, while Cynthia chose Gastrodon.
• Cynthia ordered Gastrodon to use Rain Dance, but Chen Shi commanded Togekiss to attack with Air Slash.
• Togekiss’s Air Slash repeatedly flinched Gastrodon, preventing it from acting until the seventh strike knocked it out.

Chen Shi defeated Cynthia’s Gastrodon and forced her to reveal Spiritomb’s Skill Swap strategy, then Mega Evolved Metagross to face her Lucario. Cynthia Mega Evolved Lucario in response, leaving the battle poised between the two powerful Pokémon.

• Chen Shi explained that Togekiss’s Serene Grace and King’s Rock had raised Air Slash’s flinch chance, and Cynthia sent out Spiritomb to use Skill Swap.
• Chen Shi ordered Togekiss to attack with Dazzling Gleam and Moonblast, forcing Cynthia to withdraw Spiritomb and send out Glaceon.
• Chen Shi recalled Togekiss and Mega Evolved Metagross, whose strength rose to the Mid-Stage Senior Elite King level.
• Cynthia recalled Glaceon, sent out Lucario, and Mega Evolved him to the late-stage Senior Elite King level.

Chen Shi and Cynthia's Mega-Evolved Pokémon fought an intense battle, with Cynthia's Lucario trapping and badly injuring Metagross. Metagross endured Lucario's finishing attack, leaving Chen Shi poised to counter as the chapter ended.

• Cynthia revealed her Mega-Evolved Lucario, and Chen Shi realized she had secretly practiced Mega Evolution overnight.
• Mega Metagross and Lucario traded powerful attacks as Chen Shi used Metagross's strength and move combinations to keep pace.
• Cynthia baited Metagross into a Hammer Arm, then used Detect and Bone Rush to leave it badly injured.
• Lucario charged at Metagross with Extreme Speed and Bone Rush while the audience feared Chen Shi would lose the round.
• Metagross used Endure to survive Lucario's attack, and Chen Shi ordered it to unleash Hammer Arm at full power.

Chen Shi sent out Swampert to face Cynthia’s Garchomp, and both Pokémon Mega Evolved. Cynthia’s strain from using Mega Evolution left her unable to give commands in time, while rain empowered Swampert to overwhelm Mega Garchomp with a rapid series of Waterfall attacks.

• Cynthia recalled Lucario and sent out her ace Garchomp, while Chen Shi chose Swampert instead of Dragapult.
• Chen Shi Mega Evolved Swampert, and Cynthia Mega Evolved Garchomp despite the physical strain from her recent Mega Evolution.
• Swampert summoned rain with Rain Dance while Cynthia struggled to recover and Garchomp charged at him with Dragon Claw.
• Chen Shi ordered Waterfall, and rain-boosted Swampert struck Garchomp before she could react.
• Swampert followed with Hammer Arm and repeated Waterfall attacks, leaving Mega Garchomp unable to fight back as the stunned spectators watched.

Chen Shi defeated Cynthia after Swampert’s Mega Evolution and Swift Swim overwhelmed Garchomp in the rain, sending him to the finals. Cynthia woke in the hospital and learned Chen Shi knew more about Mega Evolution than he had admitted, leaving him in trouble when she demanded an explanation.

• Swampert used rain and Swift Swim to overpower Mega Garchomp, and Cynthia conceded before passing out.
• Chen Shi carried Cynthia to the hospital and stayed by her bedside until she woke that evening.
• Cynthia congratulated Chen Shi on reaching the finals, and Chen Shi warned her against attempting Mega Evolution twice without enough practice.
• Steven asked why Swampert was so fast, and Chen Shi explained its Swift Swim Ability and the effects of Mega Evolution on Garchomp and Lucario.
• Cynthia questioned how Chen Shi knew those details after previously claiming he did not, while Steven and Pheobe left them alone.
• Chen Shi tried to distract Cynthia with ice cream, but she pinched him until he apologized.

Chen Shi prepared for the Pokémon World Championships final against Lance, while Cynthia remained angry over Chen Shi withholding information about Mega Evolution. That night, Dragapult reached Mid-Stage Senior Elite King, and Chen Shi celebrated with his Pokémon before they vowed to win.

• Cynthia, Steven, Pheobe, and Chen Shi left the Silver Conference Hall and ate together at the Villa.
• Steven warned Chen Shi that Lance was strong and reminded him he was the only one of their group left in the tournament.
• Pheobe asked Chen Shi about Togekiss's unfamiliar moves, but he refused to explain, and Cynthia left the table in frustration.
• Chen Shi fed his Pokémon in his room and discovered that Dragapult had reached level 64 and Mid-Stage Senior Elite King.
• Chen Shi shared his remaining Threefold Honey with his Pokémon to celebrate reaching the final and Dragapult's breakthrough, and Dragapult promised they would win.

Chen Shi and Lance began the six-on-six Pokémon World Championships final after receiving encouragement from their friends and supporters. Lance sent out his Mid-Stage Senior Elite King Hydreigon first, and Chen Shi noticed its quadruple weakness to Fairy-type attacks.

• Pheobe grew nervous about Chen Shi's match while Chen Shi remained relaxed.
• Professor Oak brought Gary and Ash to wish Chen Shi luck before the final.
• Diantha and Yuko visited to encourage Chen Shi, and Pheobe, Steven, and Cynthia wished him luck as he left for the arena.
• Chen Shi and Lance met outside the arena and recalled Lance's promise to let Chen Shi meet his partners.
• The host introduced the finalists, and the referee explained the six-on-six rules with unlimited switching.
• Lance sent out Hydreigon, and Chen Shi recognized its Dragon and Dark typing and quadruple weakness to Fairy-type attacks.

Chen Shi’s Florges debuted a powerful new Fairy-type move and defeated Lance’s Hydreigon in the opening match of the World Championships finals. Florges remained poised as the crowd cheered, while Lance had to choose his next Pokémon.

• Chen Shi sent out Florges, and Lance ordered Hydreigon to use Nasty Plot.
• Chen Shi told Florges to shine, and her new Fairy-type attack interrupted Hydreigon’s power-up and severely injured him.
• Steven realized Florges had used a move of a newly discovered eighteenth type, and Chen Shi followed up with Dazzling Gleam.
• Lance ordered Hydreigon to use Dragon Pulse, but Florges’s Moonblast struck him down while she emerged unhurt.
• The referee declared Hydreigon unable to battle, and Florges bowed to Lance and the cheering spectators.

During the Pokémon World Championships final, Chen Shi revealed his hidden accomplishments and explained why he had kept them secret, leaving the audience and his grandparents stunned. Lance sent out Gyarados, and Chen Shi answered with Mega Swampert as Lance prepared to counter its strength in rain.

• Lance asked why Florges had taken no damage, and Chen Shi explained that he had hidden his abilities because he feared for his safety.
• Chen Shi revealed that he had become an Intermediate Breeder at eleven, a Senior Breeder at fifteen, could make top-grade potions, and was the researcher known as Severe Indecisiveness.
• Chen Shi told Lance that meeting him in Lavaridge Town had inspired him to stop hiding, while Grandpa Chen and Grandma Chen listened with guilt and sadness from the Chen Family Farm.
• Lance praised Chen Shi, then sent out his nearly nine-meter Gyarados, which Chen Shi recognized as a powerful opponent.
• Chen Shi recalled Florges and Mega Evolved Swampert, while Lance relied on his research and planned to prevent Swampert from benefiting from rain.

Chen Shi’s Swampert defeated Lance’s Gyarados, then struggled against Aerodactyl after losing control of the weather. Chen Shi used Telepathy to help Swampert seize Aerodactyl and counterattack with Hammer Arm.

• Chen Shi’s Swampert overwhelmed Gyarados with Waterfall and Rock-type attacks, then blocked Lance from recalling him before knocking him out.
• Lance sent out Aerodactyl, a powerful fossil Pokémon, and Aerodactyl’s Sunny Day overrode Swampert’s Rain Dance.
• Aerodactyl completed Agility, struck Swampert with Aerial Ace, and followed up with Dragon Claw.
• Chen Shi used Telepathy to guide Swampert, who dodged Dragon Claw, grabbed Aerodactyl’s wing, and hit him with Hammer Arm.

Chen Shi and Lance sent out their Charizard after Swampert and Aerodactyl knocked each other out, then battled with increasingly powerful attacks. Super Charizard, near defeat, summoned his remaining strength for one final Flare Blitz as both trainers ordered their Pokémon to charge.

• Aerodactyl endured Swampert’s Liquidation and landed a Hyper Beam, knocking Swampert out as Aerodactyl also became unable to battle.
• Chen Shi and Lance sent out their Charizard, and Chen Shi Mega Evolved his Pokémon into Super Charizard.
• The two Charizard traded Flamethrower and Dragon Claw attacks, then Lance’s Charizard gained the advantage with Flare Blitz and Air Slash.
• Super Charizard split Lance’s Rock Slide with Dragon Claw, but another clash of Flare Blitz left him badly weakened.
• Super Charizard rallied after hearing Chen Shi and erupted in blue flames, prompting both trainers to command a final Flare Blitz.

Chen Shi sent out Mega Metagross after Charizard and Lance’s Charizard drew, and Metagross defeated Altaria before facing Lance’s powerful Dragonite. Metagross defied Chen Shi’s order to dodge and struck Dragonite with Ice Punch, but both Pokémon were sent flying, leaving the battle unresolved.

• Chen Shi and Lance recalled their defeated Charizard and sent out Metagross and Altaria, respectively.
• Chen Shi Mega Evolved Metagross and ordered it to attack Altaria with Ice Punch.
• Metagross defeated Altaria with a second Ice Punch but took damage from its Fire Blast.
• Lance sent out his level 69 Dragonite, which used Extreme Speed to knock Metagross down.
• Metagross ignored Chen Shi’s order to dodge, briefly restrained Dragonite with Psychic power, and landed an Ice Punch as Dragonite struck it with Fire Punch.

Chen Shi sent Florges against Lance’s Dragonite, and Florges drew on energy from Xerneas’s broken antler fragment to unleash a devastating Dazzling Gleam. She knocked Dragonite down, then smiled and bowed to Chen Shi, showing she was not afraid.

• Chen Shi recalled Metagross and thanked him, then asked Florges whether she was afraid to face Dragonite.
• Florges remembered how Pokémon Hunters had captured and tortured her as a Flabébé before Chen Shi rescued her and became her Trainer.
• Lance ordered Dragonite to attack with Extreme Speed, while Chen Shi realized Florges had already begun acting.
• Florges drew fairy type energy from Xerneas’s broken antler fragment and unleashed Dazzling Gleam, sending Dragonite crashing to the ground.
• Exhausted and in pain, Florges turned to Chen Shi, bowed, and answered that she was not afraid.

Chen Shi and Lance agreed that Dragapult’s battle against Dragonite would decide the Pokémon World Championships title. After using U-turn to escape Dragonite’s Ice Punch, Chen Shi sent Dragapult back into battle and declared that the real fight was beginning.

• Chen Shi sent out Dragapult and agreed with Lance that their battle would decide the championship.
• Dragapult used Shadow Force to evade Dragonite while Lance tried to strengthen Dragonite with Dragon Dance.
• Chen Shi ordered Dragapult to attack with Sucker Punch, but Dragonite caught him and prepared an Ice Punch.
• Chen Shi remembered U-turn, and Dragapult struck Dragonite before switching out to Togekiss and avoiding the Ice Punch.
• Chen Shi recalled Togekiss, sent Dragapult back out, and told Lance that the battle was now beginning.