Arc 1The Demon Child’s Rise

Lynn became Kaido’s son, revealed extraordinary Haki and the Eight Gates, and earned a billion-Beli bounty after defeating Marines. He later defeated Blackbeard and returned to Onigashima with Shanks’s letter, then set his sights on Dressrosa to pursue new missions.

  • Lynn released his Conqueror’s Haki before Kaido, who named him his son and heir and brought him to Onigashima.
  • Lynn flew to G-58 Island, where he opened the Eight Gates and drove off the Marines after defeating Dobberman.
  • Sengoku declared Lynn a major threat and placed a one-billion-Beli bounty on him, while Kaido celebrated his son’s victory.
  • Lynn demonstrated the Eighth Gate to the Beasts Pirates, mastered its power, and used Amaterasu’s black flames on Kaido.
  • Lynn intercepted Rockstar’s letter and defeated Blackbeard after resisting his Dark Water and burning him with Amaterasu.
  • Lynn sent Blackbeard and his damaged ship into the sea, then flew away with Shanks’s letter as the system awarded him Susanoo: Initial Form.
  • Rockstar reported the encounter to Shanks, who decided to meet Whitebeard and warn him about Blackbeard and Ace.
  • Lynn returned to Onigashima and gave Kaido the letter, then announced his wish to go to Dressrosa and stunned Queen and Jack with his strengthened Conqueror’s Haki.
Chapters 1–25 Vol. 1 Read

Ch. 1A Baby's Start, Conqueror's Haki Stuns Kaido!

Lynn woke as a newborn in the One Piece world and received top-tier Conqueror’s Haki from the Worlds Growth System. After Kaido saved him from a venomous snake, Lynn unleashed his Haki, leaving Kaido astonished and newly interested in him.

  • Lynn discovered he had been reborn as a baby and received top-tier Conqueror’s Haki from the system.
  • Kaido arrived after a failed suicide attempt and initially dismissed Lynn as an abandoned baby.
  • The system gave Lynn a mission to survive for 100 days, and he realized Kaido was his only chance of staying alive.
  • A venomous snake lunged at Lynn, and Kaido killed it with a flicked stone before continuing on.
  • Lynn released his Conqueror’s Haki, and Kaido turned back in disbelief at its immense power and potential.

Ch. 2Beasts Pirates Member: Pay Respects to Young Master Lynn!

Kaido adopted the newborn Lynn after sensing his powerful Conqueror’s Haki and brought him to Onigashima as his heir. Lynn demonstrated his Haki to the Beasts Pirates, who bowed to him, while his survival mission advanced to 1/100 days.

  • Kaido named the newborn Lynn his son and heir after witnessing his Conqueror’s Haki.
  • Kaido transformed into a dragon and carried Lynn to Onigashima, where he announced Lynn as the future inheritor of the Beasts Pirates.
  • Lynn released his Conqueror’s Haki in the banquet hall, overwhelming most of the officers and astonishing King, Queen, Jack, and the Tobi Roppo.
  • The Beasts Pirates officers bowed to Young Master Lynn, and the system updated his survival mission progress to 1/100 days.

Ch. 3What's Going On? He Can Fly Without Eating a Devil Fruit?

After surviving 100 days under Kaido’s protection, Lynn received a Flight Technique and discovered he could fly without a Devil Fruit. The chapter ended with Kaido and the Beasts Pirates stunned after Lynn confirmed he had eaten no strange fruit.

  • Lynn grew rapidly during his first three months, learning to run, jump, and write a few simple words.
  • The system rewarded Lynn for surviving 100 days with the Dragon Ball World Flight Technique and assigned him missions to survive until age one and defeat 100 Marines.
  • Lynn used the Flight Technique to rise into the air and dart around the room, evading Black Maria, the Tobi Roppo, and Yamato.
  • King caught Lynn and lowered him to the ground as the All-Stars arrived and saw him flying.
  • Kaido demanded to know who had given Lynn a Devil Fruit, but Lynn shook his head and confirmed he had eaten none.

Ch. 4Marine Clashes with the Beasts Pirates? Lynn: A Perfect Chance to Grind Quests!

One year after mastering flight, Lynn learned that Marines were attacking G-58 Island and secretly flew off to pursue his quest to defeat 100 Marines. At the island, Sasaki was badly outnumbered and surrounded by three Marine Headquarters Vice Admirals.

  • Lynn demonstrated his improved flying speed while training on Onigashima.
  • A messenger reported that Marines led by Onigumo, Dobberman, and Momonga had attacked G-58 Island, where Sasaki was struggling to hold them off.
  • King ordered the Beasts Pirates to gather reinforcements and prepare to sail for the island.
  • Lynn decided the battle was an ideal chance to complete his quest and slipped away from the training ground.
  • At G-58 Island, Sasaki fought the invading Marines while wounded and surrounded by the three Vice Admirals.

Ch. 5The Marines' Shock: Such Powerful Conqueror's Haki Came from a Little Brat?

Sasaki was on the verge of being killed by the Marine Vice Admirals Onigumo, Dobberman, and Momonga when a terrifying wave of Conqueror's Haki swept across G-58 Island. The Marines realized the source was the tiny Young Master Lynn, whom Sasaki identified as Kaido's son.

  • Sasaki fought Onigumo, Dobberman, and Momonga but was wounded and overwhelmed by their teamwork.
  • Onigumo prepared a Haki-coated Rankyaku to strike Sasaki's exposed neck.
  • Young Master Lynn released powerful Conqueror's Haki, knocking out weaker fighters and freezing the three Vice Admirals for a moment.
  • The Marines mistook the Haki for Kaido's before seeing a small child descend from the sky.
  • Sasaki recognized Lynn as Young Master Lynn, and the Vice Admirals realized he was Kaido's son.

Ch. 6A Surprise: Obtaining the Eight Gates (Side-Effect-Free Version)!

Lynn received the side-effect-free Eight Gates technique after his Conqueror's Haki defeated many Marines, but the Navy attacked him as Kaido's son. Surrounded and running low on energy, he opened the First Gate to fight back.

  • Onigumo and Dobberman identified Lynn as Kaido's son and ordered the Marines to kill him, while Dobberman kept the injured Sasaki pinned down.
  • Lynn completed the Making a Name mission and received the optimized Eight Gates, along with missions to survive until age three, defeat a Vice Admiral, and open the Eighth Gate.
  • The Marines fired bullets and shells at Lynn as he evaded them with his Flight Technique, while Onigumo and Momonga waited for a chance to strike.
  • Lynn realized his energy was nearly depleted and that he could not keep dodging, so he flew above the Marines and focused on the power within him.
  • Lynn opened the First Gate, releasing a scorching aura distinct from his Conqueror's Haki.

Ch. 7Opening Seven Gates, Astonishing Everyone!

Lynn opened the first seven Gates, releasing power that astonished the Marines on the battlefield. By the seventh Gate, his presence rivaled that of an admiral candidate.

  • Lynn opened the First Gate, and his power surged as his eyes began to glow green.
  • He opened the Second and Third Gates, intensifying his aura until Onigumo and Momonga feared what the infant was unleashing.
  • Lynn opened the Fourth and Fifth Gates, surrounding himself with green vapor as the Marines sensed his growing strength.
  • He opened the Sixth Gate, releasing scorching energy that made his presence comparable to a vice admiral's.
  • Lynn opened the Seventh Gate, transforming the vapor around him into blue steam and displaying power comparable to Gion or Tokikagi.

Ch. 8A Single Kick Defeated Dobberman, Shocking the Entire Battlefield!

Lynn used the Seventh Gate to punch Marine Vice Admiral Dobberman through a fortress wall, completing his mission and earning a major increase to his Conqueror’s Haki. As the Marines realized Lynn was weakening and moved to capture him, he ignited his remaining energy to open the Eighth Gate.

  • Lynn opened the Seventh Gate and dove at Dobberman, who tried to defend himself with Tekkai and Armament Haki.
  • Lynn’s punch shattered Dobberman’s defense and sent him crashing through the fortress wall, stunning everyone on the battlefield.
  • The system declared Lynn’s leapfrog challenge complete with a perfect evaluation and greatly increased his Conqueror’s Haki maximum.
  • Lynn’s strength and blue vapor began to fade, and Onigumo and Momonga ordered the Marines to capture him alive.
  • Sasaki tried to protect Lynn, but the wounded Beasts Pirates could not hold back the advancing Marines.
  • As the Marine encirclement closed, Lynn ignited his remaining energy and began opening the Eighth Gate, the Gate of Death.

Ch. 9The Navy Was Frightened Away by the Eight Gates!

Lynn unleashed the Eighth Gate, terrifying the Marines until they fled the island. He collapsed from exhaustion, and King arrived to find Sasaki holding the unconscious child and the Marine fleet retreating.

  • Lynn opened the Eighth Gate, surrounding himself with blood-red vapor and frightening the Marines and Sasaki with his power.
  • A messenger warned Onigumo and Momonga that King the Conflagration and Beasts Pirates reinforcements were approaching, so the Vice Admirals ordered a retreat.
  • Lynn’s power faded, and he fell unconscious; Sasaki caught him and realized he would be out for ten days to half a month.
  • King arrived with Beasts Pirates reinforcements and asked Sasaki why the Marines had fled and Lynn was unconscious.
  • Sasaki told King that Young Master Lynn had driven the Marines away, leaving King and the Beasts Pirates stunned.

Ch. 10The Marines' Shock

After Lynn drove the Marines from G-58, King wondered whether the toddler’s power was connected to the legendary Joy Boy. At Marine Headquarters, Momonga reported the defeat to Sengoku and revealed that Kaido’s son had routed the Marines.

  • Sasaki excitedly told King and the others how Lynn’s Conqueror’s Haki, Eight Gates, and crimson steam had driven off the Marines and badly wounded Dobberman.
  • King looked at the exhausted Lynn and suspected that his power resembled the legendary Joy Boy.
  • Sengoku ordered the Marines not to provoke the Whitebeard Pirates after Blackbeard’s crime aboard Whitebeard’s ship.
  • Momonga arrived at Sengoku’s office bloodied and reported that the G-58 mission had failed, Dobberman was gravely wounded, and Onigumo and the others had retreated.
  • Momonga told Sengoku and the gathered officers that Kaido’s son, a child possibly not yet two years old, had defeated the Marines.

Ch. 11Lynn, Wanted by the Navy for 1 Billion Beli!

After hearing Momonga’s report of Lynn’s flight, Conqueror’s Haki, and powerful martial arts, Sengoku ordered a one-billion-Beli bounty for Kaido’s son. Back in Onigashima, Kaido learned what Lynn had done and reacted with uproarious laughter.

  • Momonga told Sengoku and the admirals that Lynn had flown in, immobilized vice admirals with Conqueror’s Haki, and sent Dobberman flying with a blue-steam attack.
  • Momonga said Lynn had begun opening the Eighth Gate and released blood-red steam, forcing the Marines to retreat.
  • Sengoku declared Lynn a major threat and ordered a one-billion-Beli bounty, dead or alive.
  • Kaido returned to Onigashima and demanded to know where Lynn was; King told him Lynn had fainted from exhaustion but was unharmed.
  • Sasaki recounted Lynn’s battle to Kaido, who confirmed the Marines’ retreat and burst into laughter.

Ch. 12The World Is Shaken! Demon Child Lynn! Big Mom Is Going Mad with Jealousy!

News of Kaido’s infant son Lynn and his one-billion-Beli bounty spread across the world, provoking fear and excitement. Big Mom raged with jealousy, while Whitebeard considered the news amid his hurt over Teach’s betrayal.

  • Kaido laughed with pride after hearing that Lynn had beaten a Marine vice admiral and used the Gate of Opening.
  • The World Economic News Paper announced Lynn’s one-billion-Beli bounty, and people across the sea reacted with shock to the infant called the “Demon Child.”
  • Big Mom angrily compared her children to Lynn and vowed to produce someone even stronger.
  • Marco showed Whitebeard the news about Lynn, and Whitebeard laughed while privately reflecting on Teach’s betrayal and Kaido’s son.

Ch. 13New Missions Added: Charge into the Eight Gates!

After waking to a one-billion-Beli bounty, Lynn received new missions that could bring him into conflict with Shanks, Whitebeard, and the World Government. He agreed to demonstrate the Eight Gates for Kaido and the Beasts Pirates, leaving them waiting eagerly to see his power.

  • Shanks read the news of Lynn’s bounty and decided to speed up his plans to meet Whitebeard, arranging for Rockstar to deliver a letter.
  • Lynn woke beside Kaido and saw that the Marines had placed a one-billion-Beli bounty on him.
  • The system assigned Lynn missions to use the Eighth Gate, intercept Rockstar’s letter, and defeat a Shichibukai-level opponent before age three.
  • Kaido and the Beasts Pirates’ officers asked Lynn to demonstrate the Eight Gates, and Lynn agreed to try.
  • The Beasts Pirates gathered around Lynn and watched as he prepared to show them his power.

Ch. 14New Ability Acquired: Amaterasu!

Lynn opened the Eighth Gate without immediately passing out, proving he could control the power. The system rewarded him with Amaterasu, a technique that produced inextinguishable black flames at the point of his gaze.

  • Lynn opened the first seven Gates in succession, terrifying the Beast Pirates gathered in Onigashima.
  • Kaido urged Lynn to open the Eighth Gate and reveal the blood-red vapor he had used against the Marines.
  • Lynn opened the Gate of Death, unleashing a destructive aura that shook Onigashima and stunned Kaido, King, Queen, Jack, and the Tobi Roppo.
  • Lynn let the blood-red vapor recede and remained conscious, realizing he had successfully mastered the Eighth Gate.
  • The system completed Lynn's Limit Breakthrough mission and awarded him Amaterasu, which consumed Conqueror's Haki while its flames burned.

Ch. 15Demon Child Kicks Kaido Away! Not Satisfied? Then Have Some Amaterasu!

Lynn exhausted the lingering power of the Eighth Gate to kick Kaido through Onigashima, cracking his scales before he could continue fighting. With his physical strength spent but his Haki still available, Lynn told Kaido he had another move and prepared to use Amaterasu.

  • Lynn concentrated the Eighth Gate's remaining power into a kick that sent Kaido crashing through the palace and into Onigashima's cliffs.
  • The Beasts Pirates officers watched in shock as Kaido rose from the rubble with a crack in his chin scales and demanded another kick.
  • Lynn admitted he was too exhausted to continue, and Kaido stopped pressing him despite his disappointment.
  • Lynn realized his remaining Conqueror's Haki could fuel Amaterasu and announced that he had a new move.
  • Kaido's excitement returned, and he urged Lynn to demonstrate the new ability.

Ch. 16Kaido's Shock: I Play with Fire, Yet I Can't Put Out These Flames?!

Lynn revealed his Mangekyō Sharingan and used Amaterasu to ignite Kaido’s arm with black flames. Kaido failed to extinguish them and grew troubled as the flames continued to burn.

  • Lynn closed his eyes, then revealed his blood-red Mangekyō Sharingan, unsettling Kaido and the Beasts Pirates officers.
  • Lynn said “Amaterasu” and ignited a patch of black flames on Kaido’s right arm.
  • Kaido tried to blow out the flames, but they stayed alight against his dragon scales.
  • Kaido raised a Haki-coated claw, then stopped when he realized the flames were slowly spreading.
  • Kaido used the flames of his Azure Dragon Form to try to dispel Amaterasu, but failed as the burning pain grew clearer.

Ch. 17Beasts Pirates' Bewilderment: Were All These Self-Taught?

Kaido extinguished Lynn’s black flames with a massive burst of Conqueror’s Haki, then learned that Lynn had gained his strange abilities through comprehension. Impressed by his son’s potential, Kaido ordered the crew to prioritize Lynn’s growth and protect him, while Lynn fell asleep from exhaustion.

  • Kaido used his Conqueror’s Haki to extinguish Lynn’s black flames, leaving a small scorch mark on his scales.
  • Kaido and the Beasts Pirates questioned Lynn about the flames, and Lynn scratched the word “Comprehension” into Kaido’s scales.
  • Kaido laughed at Lynn’s talents, declared him the chosen one, and promised him Onigashima’s finest resources.
  • Lynn fell asleep from exhaustion, and Kaido carefully placed him on King’s prepared fur bed.
  • Kaido ordered the Beasts Pirates to protect Lynn at all costs, and the officers pledged their obedience.

Ch. 18Wano Country's Terror! Blackbeard: A Flying... Baby?!

Kurozumi Orochi learned that Kaido had adopted the one-billion-Beli-bounty Demon Child Lynn, deepening his fear for Wano's future. Days later, Blackbeard and Burgess encountered Rockstar at sea, just as Lynn flew down from the sky and shocked them all.

  • A ninja told Kurozumi Orochi that the one-billion-Beli-bounty Demon Child Lynn had become Kaido's adopted son, horrifying Orochi and unsettling Kyoshiro.
  • Blackbeard and Burgess celebrated escaping Whitebeard's territory after Blackbeard stole the Dark-Dark Fruit and defected.
  • Blackbeard prepared to rob a lone raft but backed down when its occupant, Rockstar, identified himself as a messenger from the Red Hair Pirates.
  • A flying figure descended toward the vessels, leaving Blackbeard and Burgess bewildered when they saw it was a baby.
  • Rockstar recognized the baby as Demon Child Lynn and drew his sword in shock.

Ch. 19Is This the Speed an Infant Can Have?! A Terrifying Burst of Conqueror's Haki!

Lynn confronted Rockstar over the letter Shanks had sent to Whitebeard, and Rockstar drew his sword to stop him. As Lynn evaded Rockstar’s attacks, he unleashed overwhelming Conqueror’s Haki, leaving Blackbeard and Burgess to witness the infant’s terrifying power.

  • Rockstar recognized Lynn as Kaido’s son, the one-billion-Beli-bounty “Demon Child,” and told Blackbeard and Burgess about his defeat of three Marine vice admirals.
  • Lynn demanded the letter hidden in Rockstar’s clothes, but Rockstar refused and pointed his sword at him.
  • Lynn vanished and reached for the letter, dodging Rockstar’s swift, lethal sword strikes.
  • Lynn stopped dodging and released an overwhelming burst of Conqueror’s Haki.

Ch. 20Blackbeard's Sinister Intentions, Amaterasu Ignites!

Lynn overwhelmed Blackbeard Teach and Burgess while trying to retrieve a letter from Rockstar. After Blackbeard’s Dark Water failed to affect him, Lynn used Amaterasu and set Blackbeard ablaze.

  • Lynn’s Conqueror’s Haki knocked Rockstar unconscious and forced Burgess to stagger back.
  • Lynn moved to take the letter from Rockstar, but Blackbeard attacked him from behind.
  • Lynn dodged Blackbeard’s claw and Burgess’s strike, then proved immune to Blackbeard’s Dark Water.
  • Lynn revealed his Mangekyō Sharingan and used Amaterasu on Blackbeard, who screamed as the black flames burned him.

Ch. 21Opening the Seventh Gate, Beating Blackbeard Senseless!

Lynn burned Blackbeard with Amaterasu, survived the flames, and then opened the Seventh Gate to attack him. The chapter left Blackbeard and Burgess facing Lynn’s overwhelming power, with Burgess’s arm shattered by the force around him.

  • Blackbeard used his darkness to try to extinguish Lynn’s black flames, but the flames ignited his darkness and burned him until he dispelled them with Conqueror’s Haki.
  • Lynn revealed that he had taken Rockstar’s letter, received a massive stamina increase, and chose Blackbeard as the target for his mission.
  • Lynn opened six of the Eight Gates as Blackbeard panicked and Burgess attacked him with a Shockwave Elbow Strike.
  • Lynn opened the Seventh Gate, and Burgess’s blow struck the protective steam around Lynn, breaking Burgess’s arm.

Ch. 22A Single Kick Split the Sea! New Reward: [Susanoo]!

Lynn defeated Blackbeard with a Seventh Gate kick that split the sea, earning the Susanoo: Initial Form ability and three new missions. He flew away to consider the missions while Burgess dragged the unconscious Blackbeard and Rockstar ashore.

  • Lynn struck Blackbeard with a powerful kick, sending him and the damaged pirate ship into the sea and splitting the water apart.
  • The system awarded Lynn Susanoo: Initial Form for defeating Blackbeard and issued missions to endure a Shichibukai-level attack, eat two Devil Fruits, and defeat two Shichibukai-level combatants.
  • Lynn considered the missions and flew away from the sea.
  • Burgess dragged the unconscious Blackbeard and Rockstar onto a nearby island shore and watched Lynn disappear into the distance.

Ch. 23Blackbeard's Fear! The Red Hair Pirates' Collective Shock!

Blackbeard survived Lynn’s devastating attack and decided to retreat to Paradise rather than risk fighting him again. Back aboard the Red Force, Shanks and the Red Hair Pirates learned that Lynn had stolen Rockstar’s letter and nearly killed Blackbeard, and Shanks prioritized warning Whitebeard about Blackbeard and recalling Ace.

  • Blackbeard woke badly injured, feared Lynn’s strength, and ordered his crew to return to Paradise and recruit more companions.
  • Rockstar woke, realized Shanks’s letter was gone, and set off to report what had happened to the Red Hair Pirates.
  • Rockstar recounted the encounter aboard the Red Force, shocking Shanks and the crew with Lynn’s power and Blackbeard’s defeat.
  • Shanks said the stolen letter could not be pursued for now and decided to meet Whitebeard so he could warn him about Blackbeard and recall Ace.

Ch. 24Collective Shock of the Beasts Pirates: Lynn's Strength Had Already Reached the Sea's Second-Highest Tier?!

Lynn returned to Onigashima after meeting Red-Hair’s men and Blackbeard, and revealed that he had fought them and taken a letter. Kaido read the letter and concluded that Lynn had already reached the sea’s second-highest level of strength, leaving the Beasts Pirates celebrating his potential.

  • Kaido panicked over Lynn’s disappearance until Lynn returned and explained that he had just taken a walk.
  • Lynn wrote that he had met Red-Hair’s men and Blackbeard, then handed Kaido a letter and indicated that he had fought them.
  • Lynn confirmed that he had defeated his opponents, shocking King, Queen, Jack, and the other Beasts Pirates officers.
  • Kaido read the letter, learned that Blackbeard had scarred Red-Hair and might threaten Ace, and laughed with delight.
  • Kaido praised Lynn, lifted him onto his shoulder, and declared that his son had reached the sea’s second-highest tier.

Ch. 25Doffy's Artificial Fruits Were About to Get More Expensive! Lynn's Conqueror's Haki Had Grown Stronger Again?!

Lynn used his growing Conqueror’s Haki to pressure King and Queen into letting him go to Dressrosa after Doflamingo raised the price of SMILEs. The chapter ended with the Beasts Pirates stunned by how much stronger Lynn’s Haki had become.

  • Jack reported that Doflamingo had raised the price of each new SMILE by twenty percent, and Queen and Jack angrily wanted to attack Dressrosa.
  • King ordered Jack to negotiate with Doflamingo and keep the increase within ten percent, while warning that the Beasts Pirates still needed the SMILE supply.
  • Lynn wrote that he wanted to go to Dressrosa, but King and Queen refused because they considered it too dangerous.
  • Lynn decided he could use Doflamingo to pursue several system missions involving Devil Fruits and Shichibukai-level opponents.
  • Lynn unleashed a greatly strengthened Conqueror’s Haki, cracking the palace floor and leaving Queen and Jack temporarily unable to move.
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