Chapter Summaries

Gary easily defeated Shōgo in the first round of the Preliminary Round, while another competitor named Tobias crushed his opponent using Darkrai. Gary and his friends all advanced to the quarterfinals, where the finals awaited them.

• Gary's Alolan Ninetales defeated Shōgo's Roserade with one move and then knocked out Mightyena with Ice Beam.
• Shōgo sent out his final Pokémon, Nidoking, but Gary's Alolan Ninetales put it to sleep with Hypnosis and defeated it with Moonblast and Ice Beam.
• Gary won his first Preliminary Round match, and Rosa, Hilda, Paul, Kohei, and Barry also won theirs.
• Gary recognized Tobias as the long-haired man in a red coat who had crushed his opponent with Darkrai, prompting Ash and the others to take him seriously.
• Gary and his friends avoided facing one another in the next two rounds and all advanced to the quarterfinals.

Gary faced Barry in the Lily of the Valley Conference quarterfinals, where Gardevoir quickly defeated Barry’s Hitmonlee and then battled Roserade. Gardevoir vanished during the exchange, reappeared beside Roserade, and was poised to attack.

• The referee announced the six-on-six finals rules, and Barry sent out Hitmonlee while Gary chose Gardevoir.
• Barry opened with Focus Blast and Blaze Kick, but Gardevoir blocked Hitmonlee with Psychic and knocked it out with rapid-fire Shadow Balls.
• Barry sent out Roserade, which used Magical Leaf before Gardevoir stopped and redirected the attack with Psychic.
• Roserade blocked the redirected leaves with Petal Dance, and Gardevoir disappeared before reappearing beside it.

Gary continued his quarterfinal match against Barry, defeating Roserade and Skarmory with Gardevoir before winning the Staraptor clash with his own Staraptor. Barry had lost four Pokémon while Gary remained undefeated as the battle continued.

• Gary's Gardevoir defeated Barry's Roserade with Moonblast and Mystical Fire.
• Barry sent out Skarmory, but Gardevoir used Double Team to conceal its true position and defeated it with Focus Blast.
• Barry sent out Staraptor, and Gary switched to his own Staraptor.
• Gary's Staraptor overcame Barry's Staraptor with Double Team and Brave Bird, leaving Barry with four Pokémon defeated and Gary with none.

Gary defeated Barry in the Lily of the Valley Conference quarterfinals and advanced to the final four. The other semifinals qualifiers were Ash, Hilda, and Tobias, and the chapter ended as the matchups were revealed.

• Barry mega evolved Heracross, but Gary's Mega Gyarados defeated it with Aqua Tail, Hydro Pump, and Flamethrower.
• Barry sent out Empoleon, and Gary's Red Gyarados defeated it with Flamethrower and Dragon Pulse, securing Gary's victory.
• Barry congratulated Gary and asked him to win the Lily of the Valley Conference, and Gary agreed.
• Ash defeated Paul's Electivire with Infernape, while Hilda crushed Kohei and advanced.
• Tobias defeated Rosa after her Darkrai, Latios, and Latias fell to Heatran.
• The final four were set as Gary, Ash, Hilda, and Tobias, and the semifinals matchups were revealed.

Gary and Ash began their six-on-six semifinal with Gary’s Alolan Ninetales defeating Ash’s Floatzel and Torterra. After both trainers recalled their Pokémon, they prepared to send out their next ones.

• Ash and Gary traded taunts before the semifinal began, then each sent out a Pokémon: Gary chose Alolan Ninetales, and Ash chose Floatzel.
• Alolan Ninetales trapped Floatzel with Extrasensory, froze it with Ice Beam, and knocked it out with Moonblast.
• Ash sent out Torterra, but Alolan Ninetales turned aside its attacks and defeated it with a close-range Ice Beam.
• Ash recalled Torterra and chose another Poké Ball as Gary recalled Alolan Ninetales and prepared his next Pokémon.

Ash’s Super Blaze Infernape was defeated by Gary’s Gardevoir, leaving Ash with three Pokémon lost. Ash sent out Pikachu against Gary’s Elite Four-level Tyranitar, and their battle was underway when Pikachu leaped toward Tyranitar.

• Ash sent out Infernape, and Gary answered with Gardevoir.
• Infernape’s attacks failed to hit Gardevoir, which struck it with Shadow Ball and restrained it with Psychic.
• Gardevoir put Infernape to sleep with Hypnosis and knocked it out with Moonblast.
• Ash sent out Pikachu, and Gary replaced Gardevoir with Tyranitar.
• Pikachu used Quick Attack to push Tyranitar back, but Tyranitar raised its Defense with Iron Defense and attacked with Stone Edge.
• Pikachu dodged the stones, closed in on Tyranitar, and leaped into the air as Ash began giving it another command.

Ash faced Gary in the semifinals but lost Pikachu to Tyranitar and Sceptile to Aggron. With five Pokémon defeated, Ash sent out his final Pokémon.

• Gary's Tyranitar endured Pikachu's Iron Tail, then knocked Pikachu out with Floral Transfer and Rock Throw.
• Ash sent out Sceptile, and Gary replaced Tyranitar with Aggron.
• Aggron strengthened its defenses with Iron Defense and broke through Sceptile's Razor Leaf and Energy Ball.
• Gary's Aggron used Rock Tomb to block Dragon Pulse, then struck Sceptile with Rock Slide and Flamethrower, defeating it.
• Ash threw his final Poké Ball after losing five Pokémon.

Gary defeated Ash in the Lily of the Valley Conference semifinals, advancing to the finals with his Blastoise. Ash accepted the loss and vowed to defeat Gary next time.

• Ash sent out his level 73 Charizard, and Gary answered with his level 80 Blastoise before both Pokémon Mega Evolved.
• Charizard and Blastoise traded attacks, but Gary used a Counter Shield Ash recognized to knock Charizard down with Water Gun.
• Gary ordered Blastoise to use Surf and Hydro Pump, leaving Charizard unable to battle.
• The referee declared Gary the winner, and the announcer confirmed that Gary had advanced to the finals.
• Ash congratulated Gary and promised to win next time, while Gary told him he would keep moving forward.

After Hilda lost to Tobias, Gary and Tobias began the Lily of the Valley Conference final. Gary’s Kartana overwhelmed Tobias’s Darkrai with its opening attacks, leaving Darkrai down at the end of the chapter.

• Hilda took down three of Tobias’s Pokémon but lost to Heatran, securing Tobias a place in the final against Gary.
• Gary and Tobias entered the finals as spectators around the world watched, and Tobias arrogantly dismissed Gary’s chances.
• Tobias sent out Darkrai, while Gary chose his level 84 Kartana to face it.
• Kartana sliced through Dark Pulse, dodged Darkrai’s attacks, and strengthened itself with Swords Dance.
• Kartana struck Darkrai with Sacred Sword, shattering its Shadow Claw and sending it crashing to the ground.

Gary defeated Tobias's Darkrai and Latios with Kartana and Darkrai, then faced Tobias's Latias with Cresselia. The battle continued as Latias closed in on Cresselia and Gary prepared a counterattack.

• Kartana defeated Tobias's Darkrai, prompting Tobias to acknowledge Gary's strength and send out Latios.
• Gary recalled Kartana and sent out his level 83 Darkrai, which overwhelmed Latios with Dark Pulse, Dark Void, and Dream Eater.
• Tobias sent out Latias, and Gary answered with Cresselia as the crowd reacted to the Legendary Pokémon.
• Cresselia stopped and redirected Latias's Dragon Breath with Psychic, but Latias dodged it and used Agility to close in.
• Tobias ordered Latias to attack Cresselia with Dragon Pulse, and Gary began to call out Cresselia's next move.

Gary defeated Tobias's Latias with Cresselia, then used Gengar to defeat Heatran. Gengar stayed in against Tobias's Zapdos and vanished during their clash, leaving Tobias searching for it.

• Gary's Cresselia defeated Tobias's Latias with Dazzling Gleam and Moonblast.
• Tobias sent out Heatran, and Gary's Gengar knocked it out with Dark Pulse, Hypnosis, and Dream Eater.
• Tobias sent out Zapdos, but Gengar refused to return to its Poké Ball and continued battling.
• Gengar's Dark Pulse overwhelmed Zapdos's Thunderbolt until Zapdos increased its power enough to hold it back.
• Gengar vanished before Zapdos could locate it, and Tobias wondered where it had gone.

Gary’s Gengar defeated Tobias’s Zapdos, leaving Tobias to send out his final Pokémon, Moltres. Gary’s Zeraora trapped Moltres in an Electro Web, setting up Gary’s finishing attack.

• Gary’s Gengar ambushed Tobias’s Zapdos with Shadow Ball and Dark Pulse, defeating it.
• Tobias sent out Moltres as his final Pokémon, stunning the audience and spectators.
• Gary recalled Gengar and sent out Zeraora to face Moltres.
• Zeraora dodged Moltres’s Flamethrower and exchanged Thunderbolt with it, creating a cloud of dust.
• Zeraora used a Double Team decoy to distract Moltres, then trapped it in an Electro Web and slammed it to the ground.
• Gary declared that Zeraora would finish the battle while Moltres remained bound.

Gary defeated Tobias’s Moltres to win the Lily of the Valley Conference, and the chapter ended with Gary and his friends discussing their plans after the tournament.

• Gary’s Zeraora defeated Tobias’s Moltres with Plasma Fists, earning Gary the Lily of the Valley Conference championship.
• Hilda defeated Ash in their battle for third place, while Ash finished in the top four.
• Cynthia presented Gary with the champion’s trophy and awarded medals to Tobias and Hilda at the closing ceremony.
• Gary and his friends returned to the Pokémon Center, where they congratulated him and discussed the tournament.
• Ash said he would return home with Brock and Dawn, Gary planned to go back to Pallet Town, and Kohei and Barry planned to keep traveling.
• Paul had already left after the closing ceremony, and Gary and the others parted late that night after chatting.

After returning from Sinnoh, Gary, Rosa, and Hilda flew to Alola for a vacation and to ask the Island Guardian Deities about the inactive Cosmoem. Professor Kukui welcomed them at the airport and took them to their old house, which Principal Chengye had bought for them.

• Gary, Rosa, and Hilda left Pallet Town for Alola, where Gary planned to seek answers about Cosmoem while they rested.
• The three arrived in Hau'oli City and found Professor Kukui waiting to pick them up.
• Professor Kukui explained that Principal Chengye had learned of their return from Professor Oak.
• Gary told Professor Kukui that Cosmog had become inactive after evolving into Cosmoem and that they had come back to rest.
• Professor Kukui drove them to their old house and said they could discuss Cosmoem the next day.

Professor Kukui and the Pokémon School students visited Gary, Rosa, and Hilda, then learned that Cosmog had transformed into Cosmoem after receiving Arceus’s power. Professor Kukui suggested examining it at Aether Paradise, and Gary agreed to go there with Rosa and Hilda after the visitors returned to class.

• Professor Kukui brought Lillie, Mallow, Kiawe, and Sophocles to visit Gary, Rosa, and Hilda, who welcomed them inside.
• Kiawe and Sophocles praised Gary’s Lily of the Valley Conference battles, and Gary encouraged the students to compete in regional leagues someday.
• Professor Kukui asked what had happened to Cosmog, and Gary released it in its motionless Cosmoem form.
• Rosa explained that Cosmog had evolved after receiving Arceus’s power, and Hilda said it was gathering energy for its final evolution.
• Professor Kukui suggested using Aether Paradise’s equipment to examine Cosmoem, and Gary agreed to go there.
• Professor Kukui took Lillie and the others back to school, and Gary set out with Rosa and Hilda for Aether Paradise.

Gary and his friends visited Aether Paradise, where Professor Burnet examined Cosmog and confirmed that it was healthy and dormant while gathering energy for its evolution. The group learned that Cosmog would eventually evolve into either Solgaleo or Lunala, and Gary expected that day to come soon.

• Lusamine, Professor Burnet, and Wicke welcomed Gary, Rosa, and Hilda to Aether Paradise and congratulated them on their Lily of the Valley Conference results.
• Gary said Alola could join the Pokémon League within the next few years, prompting Rosa and Hilda to look forward to competing in the future Manalo Conference.
• Wicke led the group to the prepared laboratory, where Professor Burnet examined Cosmog and found it in stable condition.
• Professor Burnet explained that Cosmog was dormant and absorbing energy in preparation for evolution, confirming Gary's earlier explanation.
• Gary explained Cosmog's connection to another world and Alola's ancient worship of it, while Professor Burnet concluded that it would evolve into Solgaleo or Lunala.

Gary spent the night with Lusamine at Aether Paradise, then encountered Tapu Koko, who checked Cosmog and confirmed it was healthy. Tapu Koko then conveyed something that left Gary stunned.

• Gary visited Lusamine late at night, and they spent an intimate night together.
• Lusamine asked Gary not to forget her, and he promised to return whenever he had time.
• Rayquaza teased Gary as he left Lusamine's room, then Gary sensed a powerful aura nearby.
• Gary found Tapu Koko outside Aether Paradise and released Cosmog for it to examine.
• Tapu Koko confirmed Cosmog was in good condition, then told Gary something that made his eyes widen.

Gary brought Rosa, Hilda, Lusamine, Professor Burnet, and Wicke to the Altar of the Moone to witness Cosmog’s evolution. After the four Island Guardian Deities performed a ritual and activated the altar, Cosmog absorbed the power of a white jade moon and began evolving into Lunala.

• Gary told the group that Tapu Koko had said Cosmog was ready to evolve and had directed him to the altar.
• Gary and the others waited nearly an hour before Tapu Koko arrived with Tapu Lele, Tapu Bulu, and Tapu Fini.
• Tapu Koko guided Gary to release Cosmog, and the four Island Guardian Deities circled it and chanted an ancient melody.
• The Island Guardian Deities took their places on the altar’s pillars and continued chanting until light opened a circular design in the stone wall.
• A white jade object emerged and sent a beam into Cosmog, which absorbed its power and began evolving as the group glimpsed a bat-like figure in the light.

Cosmog evolved into Lunala at the Altar of the Moone, though it still needed time to absorb the altar’s remaining power and reach its full strength. Gary and his companions received Lunala’s exclusive Z-Crystal and Z-Power Rings before returning to Aether Paradise, where Gary later visited Lusamine.

• Cosmog evolved into Lunala, and Tapu Koko explained that it would take up to a few years to absorb the Altar of the Moone’s remaining power and reach Tier 1 Deity strength.
• Gary reassured Rosa that Lunala was still Cosmog, and Cosmog happily ate Pokéblocks from Gary, Rosa, and Hilda.
• Lunala gave Gary its exclusive Z-Crystal, and the Island Guardian Deities upgraded Gary and his companions’ Z-Rings into Z-Power Rings.
• Gary and the others returned to Aether Paradise after saying goodbye to the Island Guardian Deities, and Rosa and the others went to sleep.
• Gary secretly entered Lusamine’s room and stayed there for several hours before leaving satisfied.

Gary and the others responded to an Ultra Aura near Aether Paradise and watched a Shiny Guzzlord emerge from an Ultra Wormhole. Gary decided to catch the powerful Ultra Beast.

• Gary, Rosa, and Hilda finished breakfast at Aether Paradise, where Wicke rushed into them and warned that an Ultra Aura was growing stronger nearby.
• Wicke led Gary and the others to Lusamine and Professor Burnet, who detected that an Ultra Wormhole would soon form.
• A pale blue Ultra Wormhole opened in the sky, and a massive white Guzzlord fell into the shallow sea near Aether Paradise.
• Lusamine identified the Ultra Beast as a Shiny Guzzlord, and Gary decided to catch it.