Chapter Summaries

Entei arrived at the abandoned place and stopped Mismagius from restraining Lycanroc, then questioned the three Ghost Pokémon about their plans and Banette’s sudden birth. He revealed that Banette had been created by him and Yan Yang and was Yan Yang’s important companion in another world, leaving Banette stunned by the connection.

• Mismagius trapped Lycanroc behind an invisible barrier and warned her that Banette would disappear if he lost his resentment.
• Entei arrived, freed Lycanroc, and trapped Mismagius in Sacred Fire; Gengar challenged him but was quickly overpowered.
• Entei made Mismagius, Banette, and Gengar line up and explain that they had been helping Banette seek revenge.
• Entei realized Banette had manifested too quickly, but the three Ghost Pokémon refused to explain what had caused it.
• Entei showed Banette the wooden doll hanging from his mane and told him that he and Yan Yang had created him as one of Yan Yang’s important companions in another world.

Entei defeated Banette, Gengar, and Mismagius while trying to suppress the resentments sustaining Banette, and Yan Yang learned that Banette might disappear if his resentment faded. Yan Yang climbed to the rooftop and interrupted Entei just as he was about to reveal the truth to Banette.

• Banette refused Entei's demand to return to Yan Yang, insisting that he had no responsibility to protect someone he believed was bad.
• Lycanroc told Entei that Banette might disappear if his resentment faded, but Entei believed Banette's life form was stable and tried to examine the resentments within him.
• Gengar, Mismagius, and Banette attacked Entei when they mistook his sacred aura for an attack, but Entei defeated them.
• Yan Yang arrived near the garbage processing plant, overheard that Banette might disappear, and decided that Banette's existence mattered more than correcting his false belief.
• Entei prepared to tell Banette the truth about Yan Yang, but Yan Yang reached the rooftop and urgently protested.

Yan Yang offered Banette a chance to travel with him as an enemy, hoping to make amends while letting Banette investigate whether he had truly abandoned him. Banette agreed to follow Yan Yang for now, while Gengar and Mismagius accepted that their ghost trio might be separating.

• Yan Yang admitted to Banette that he might have abandoned him, while Gengar tried to encourage Banette to keep hating humans and Entei.
• Yan Yang proposed that Banette travel with him as an enemy, train with his Pokémon, and seek chances to teach him a lesson.
• Banette agreed to stay with Yan Yang so he could learn the truth for himself, though he said he would return if Yan Yang proved untrustworthy.
• Gengar asked whether Banette was abandoning him and Mismagius, and Banette reassured them that he would still visit and finish his mission.
• Gengar and Mismagius accepted Banette's choice, despite believing he might never return to their trio.

Entei proposed suppressing the resentment inside Banette until Banette could control it himself, and stopped its sudden attempt to take over. After Gengar and Mismagius encouraged him to follow his heart, Banette agreed to live with Yan Yang and find out whether he could trust him.

• Entei explained that he could continually suppress Banette’s resentment, giving Banette time to master it without needing to erase it or die.
• Banette’s resentment erupted in an attempt to seize his body, but Entei quickly froze and suppressed it.
• Yan Yang thanked Entei affectionately, and Gengar and Mismagius realized how close Yan Yang and Entei were.
• Yan Yang invited Banette to live with him, while Gengar and Mismagius encouraged Banette to choose his own path.
• Banette agreed to go with Yan Yang so he could experience and judge the boy’s sincerity for himself.

Yan Yang and Banette agreed to begin again as friends while Banette kept his own identity and planned to handle the resentments’ unfinished revenge. As dawn broke, Yan Yang rode on Banette’s Entei-shaped back, and they welcomed the start of their new relationship.

• Yan Yang asked Banette whether he wanted to learn about his past as a Substitute, and Banette chose to uncover the truth himself while remaining Banette.
• Banette asked Yan Yang about helping the resentments punish their former owners, and Yan Yang negotiated for leniency toward those who were not truly unforgivable.
• Banette said he would handle Zhen Chusheng himself and revealed that 121 resentments were still pending.
• Yan Yang and Banette watched the moon together, and Yan Yang told Banette that the characters on his wings represented his wish to stay with him forever.
• Banette transformed into Entei, let Yan Yang climb onto his back, and the two watched the sun rise as they promised to become family.

Yan Yang slept through class because of his extreme exhaustion while Agate and Ruan Zhu discussed his mysterious ability and their Pokémon training. After class, Yan Yang hurried away, and Ruan Zhu and Agate headed to the school club to battle.

• Yan Yang succumbed to exhaustion and fell asleep at his desk as classmates whispered about his frequent naps.
• Agate told Ruan Zhu that Yan Yang seemed profoundly weak and that a strange energy had blocked her attempt to sense him.
• Agate and Ruan Zhu compared their Dragonair and Garchomp’s progress and disagreed about the skill of the school club’s opponents.
• When the dismissal bell rang, Yan Yang woke, stretched, and swiftly left the classroom.
• Ruan Zhu and Agate agreed to go to the club after school so Ruan Zhu could battle and test his Garchomp.

Yan Yang brought Banette, Gengar, and Mismagius to the club, where Banette battled Houndoom and lost. He encouraged Banette to grow stronger and build trust with him, while setting Turtwig to train with Lycanroc.

• Yan Yang returned to a messy dormitory and invited Banette to battle at the club.
• At the club, Banette chose Houndoom as its opponent and lost after a hard-fought match.
• Yan Yang comforted Banette, while Gengar and Mismagius watched without joining the battles.
• Yan Yang assigned Lycanroc to teach Turtwig Stomping Tantrum, and Silvally and Cosmog followed them to train.
• Yan Yang asked the Ghost Pokémon if they knew Trick Room, but none of them had mastered it.
• Yan Yang urged Banette to accept his help and become stronger, and Banette calmly acknowledged him.

Yan Yang trained Turtwig until she learned to use Stomping Tantrum on sandy ground, then discovered that his system was hiding a change in her status. At the club entrance, he met Agate and Ruan Zhu, who had just watched Ruan Zhu lose badly to a Weavile; Ruan Zhu decided to use the stronger sparring Pokémon for more intense training.

• Yan Yang had Turtwig practice Stomping Tantrum on sand until she mastered the move outside grassy terrain.
• Yan Yang checked Turtwig's status after kissing her, but the system's evaluation refused to reveal what had changed.
• Yan Yang ended training and ran into Agate and a dejected Ruan Zhu at the club entrance.
• Agate explained that Ruan Zhu's Garchomp had been badly beaten by a club Weavile, despite Ruan Zhu having defeated that Weavile before.
• Ruan Zhu regained his resolve and decided the stronger sparring Pokémon would help him and Garchomp improve.

After Ruan Zhu and Agate joined the training club, Yan Yang visited the terrified Zhen Chusheng and revealed that Banette, Gengar, and Mismagius had come to settle their score. Yan Yang left Zhen Chusheng to make amends with the ghosts, whose screams soon filled room 403.

• Ruan Zhu and Agate bought club memberships and agreed to recommend the training club to their classmates.
• Ruan Zhu mentioned that Zhen Chusheng had missed class, and Yan Yang went to check on him in room 403.
• Yan Yang found Zhen Chusheng hiding under his blanket and told him that he had rescued him from Banette earlier that morning.
• Zhen Chusheng released Magmar and thanked Yan Yang for saving him, while Yan Yang sensed that Magmar was hiding something.
• Banette, Gengar, and Mismagius appeared beside Zhen Chusheng, and Yan Yang teleported away after urging him to settle the matter with them.
• The three ghosts approached Zhen Chusheng as the room grew dark, and his terrified screams echoed through the room.

After Zhen Chusheng withdrew from school following a terrifying encounter with Ghost Pokémon, Yan Yang learned that his abusive treatment of Magmar had prompted Banette and the others to act. Campus security tightened, and Yan Yang returned to find Gengar and Mismagius tormenting Bu Xiang; he warned the Ghost Pokémon to keep a low profile, though he considered helping Banette visit more targets before they left.

• Classmates discussed Zhen Chusheng's withdrawal, and Yan Yang recalled finding him terrified and muttering, "Don't kill me."
• Yan Yang learned from Magmar that Zhen Chusheng had routinely abused and harshly punished his Pokémon, leaving Magmar unable to feel happiness.
• Teacher Shen E warned Class One to protect their physical and mental health as the school investigated Zhen Chusheng's strange experience and strengthened campus security.
• Yan Yang returned to his dorm and found Gengar and Mismagius restraining Bu Xiang while Banette sat apart; Yan Yang made Gengar release him and apologized.
• Yan Yang warned Gengar, Mismagius, and Banette that the school was on high alert for Ghost Pokémon and told them to keep a low profile, but he considered helping Banette visit more targets before they left.

Yan Yang’s guidance helped calm the city’s toy-revenge incidents, though Banette still carried one dangerous, unresolved resentment. He gave Banette an Evolution Stone, inspiring it to hope that Mega Evolution might let it defeat Entei.

• A viral League website post advised victims to sincerely apologize to abandoned toys, and firsthand accounts helped the advice spread and ease public panic.
• Yan Yang realized Wang Yan had used his suggestions to steer public opinion toward guidance and reflection rather than punishment.
• Banette told Yan Yang that most resentment had faded after apologies, but a stubborn resentment remained because its target refused to admit fault.
• Yan Yang found that Entei and several of his Pokémon were away training or spending time with Gengar and Mismagius.
• Yan Yang gave Banette its Evolution Stone, and Banette quietly hoped Mega Evolution might make it strong enough to defeat Entei.

Yan Yang was suddenly transported away, leaving Banette behind. Entei explained that Yan Yang had released Banette to protect him from the resentment inside him, easing Banette’s fear that he had been abandoned.

• Yan Yang felt the travel countdown begin, recalled his Pokémon, and vanished after letting go of Banette.
• Banette searched the dormitory for Yan Yang, then went into the woods to find Entei.
• Banette told Entei that Yan Yang had disappeared, and Entei realized he had traveled away again.
• Entei asked Banette to gather the Pokémon left behind and explained Yan Yang’s yearly random travels.
• Banette asked why Yan Yang had let go of him, and Entei said he had been protecting him from the resentment inside him.

Yan Yang found himself stranded on an unfamiliar plateau with only Silvally, Cosmog, and Houndoom beside him, and no supplies or way to contact anyone. After Houndoom picked up the scent of nearby Pokémon, Yan Yang raced him toward the habitat, leaving their destination unknown.

• Yan Yang arrived on a high, unfamiliar plateau with no phone signal and realized he had left his backpack behind.
• Yan Yang discovered that only Silvally, Cosmog, and Houndoom had crossed over with him, while his other Pokémon and supplies were elsewhere.
• Silvally could not identify the plateau from his database, and Yan Yang recalled him to avoid scaring away nearby wild Pokémon.
• Houndoom followed the scent of other creatures toward a possible habitat, and Yan Yang challenged him to a race.
• Yan Yang took off before the countdown ended, and Houndoom chased him across the plateau.

Yan Yang and Houndoom encountered a group of Kalos Pokémon, startling them into fleeing when Pancham spotted Yan Yang. After Yan Yang picked up Pancham’s lost bamboo leaf and had Houndoom track it, the Pokémon assumed humans had invaded their sanctuary and marched toward him, led by Pancham’s furious mother.

• Yan Yang and Houndoom hid near a clearing where several young Pokémon were playing.
• Pancham chased its windblown bamboo leaf into the bushes, saw Yan Yang, and fled in terror, causing the other young Pokémon to scatter.
• Yan Yang found Pancham’s leaf and asked Houndoom to track Pancham so he could return it.
• The frightened Pokémon told the adults that humans had appeared, triggering memories of past harm and fear for their sanctuary.
• Pancham collapsed in distress over its missing leaf, and its mother, a Gutsy Panda, decided to attack the humans.
• Mother Gutsy Panda rallied the angry group, and the adult Pokémon marched toward Yan Yang and Houndoom.

Fat Sweetie warned Volcanion that humans had invaded the plateau, sending the furious guardian rocketing toward them. Meanwhile, Yan Yang and Houndoom were surrounded by Pokémon while following the Mischievous Panda Cub’s scent, and Silvally’s arrival shifted the balance as the locals prepared to keep fighting.

• Fat Sweetie reached Volcanion’s cave and told the guardian that humans had invaded the plateau.
• Volcanion flew from the cave in a rage, heading toward the humans Fat Sweetie had reported.
• Yan Yang and Houndoom followed the Mischievous Panda Cub’s scent and were attacked by Florges and surrounded by more than a dozen Pokémon.
• Houndoom fought back against the surrounding Pokémon while Yan Yang assessed their strength and tried to defuse the confrontation.
• Silvally emerged from Yan Yang’s Poké Ball and intimidated the Pokémon, but Gutsy Panda rallied them to defend their home and children.

Yan Yang defeated the Plateau Pokémon, then returned Pancham’s bamboo leaf and eased their suspicion by helping Pancham. The Pokémon warned him to leave before their Guardian arrived, but a terrifying roar announced its arrival.

• Silvally defeated the Plateau Pokémon without causing crippling injuries, and Yan Yang tried to calm them and learn why they had attacked.
• Yan Yang soothed a young Gogoat with Evergreen Power and learned that Pancham was missing and in pain over its lost bamboo leaf.
• Gogoat showed Yan Yang where Pancham was, and Yan Yang returned the leaf and helped Pancham recover.
• Pancham told its mother that Yan Yang had helped rather than harmed it, but Gogoat still urged him to leave before the Guardian arrived.
• A thunderous roar sounded, and the Plateau Pokémon recognized the arriving Guardian.

Yan Yang and Silvally faced Volcanion, the furious guardian of Mount Coronet, after it mistook Yan Yang for the one who had injured the plateau Pokémon. Silvally fought to protect him, but Volcanion’s overwhelming strength left Yan Yang searching for a way to stop the battle.

• Volcanion arrived, accused Yan Yang of trespassing and hurting the plateau Pokémon, and attacked him with Steam Eruption.
• Silvally ignored Yan Yang’s command to hold back and charged Volcanion to protect him.
• Yan Yang used God's Eye and learned that Volcanion was level 96, then watched it overpower Silvally with Steam Eruption and Hydro Pump.
• Yan Yang asked Gogoat and Gutsy Panda why Volcanion hated humans, and they explained that it despised humans for harming Pokémon and for betraying it.

Volcanion defeated Silvally and nearly killed Yan Yang, but Yan Yang rescued Silvally and used Pancham and the other Pokémon to convince Volcanion to stand down. Volcanion spared him for now, though it remained hostile and warned him to consider himself lucky.

• Volcanion overwhelmed Silvally with Scald and Flamethrower, leaving him badly injured and unable to continue fighting.
• As Volcanion prepared a full-power Steam Eruption, Yan Yang teleported in, recalled Silvally, and appeared behind Volcanion.
• Volcanion turned its cannons on Yan Yang, but paused when it saw Pancham and accused Yan Yang of using a cub as a shield.
• Pancham shook its head when Yan Yang claimed they were friends, while Gogoat and the other Pokémon vouched for Yan Yang.
• Volcanion lowered its attack and let Yan Yang go, warning him that he was lucky.

A hostile airship appeared over Mount Coronet, and Volcanion accused Yan Yang of luring it there before grabbing him and flying toward it. As their argument continued, Yan Yang realized the ship likely threatened the plateau Pokémon and resolved to stop its scheme.

• A massive airship appeared above Mount Coronet, and Volcanion blamed Yan Yang for bringing it there.
• Volcanion seized Yan Yang and launched toward the airship while ordering Houndoom to stay behind and protect the others.
• Yan Yang insisted he had nothing to do with the ship, but Volcanion accused him of being a human spy and threatened to drop him.
• Yan Yang and Volcanion argued as they flew toward the airship, with Volcanion citing Yan Yang's unusual abilities and knowledge of his name as evidence.
• Yan Yang saw the airship's weapons and hostile appearance, suspected its crew had come for the plateau Pokémon, and decided to stop them.

Substitute Entei chose to remain with Yan Yang, revealed his past and feelings, and became part of Yan Yang’s family alongside the real Entei. Back in Johto, he cherished their closeness and resolved to compete for more of Yan Yang’s companionship.

• Substitute Entei told Yan Yang about his origins, memories, and desire to protect him, and Yan Yang embraced him.
• Substitute Entei helped Yan Yang defeat the Aether Foundation’s enemies, though his power could not grow or match the real Entei.
• After Entei accepted Substitute Entei’s place beside Yan Yang, Yan Yang decided to call him “Substitute.”
• Professor Kukui transported Substitute Entei to Johto in a custom crate, where he joined the family portraits beside Entei.
• Yan Yang assigned Mondays to both Entei, and Substitute Entei privately vowed to claim more of their companionship time.