Adventure

One Piece: I Upgraded the Strongest Man in the World

207 chapters available · Ongoing

Library updated 6 Nov 2026 · Latest available chapter

17 losses. Heart attack. Dead.Woke up on the Moby Dick.Thatch dead. Ace screaming. Whitebeard drowning.Then a system screamed.[Enchantment. Grant powers. 100%.]I looked at the dying legend.What if I just... didn't let him die?3 Phoenix Fruits? He stood.7 Tremor-Tremor Fruits? Marines ran.1 Rumble-Rumble Fruit? Gods fell.2 billion bounty. Buster Call. Teach's dreams? Gone.I'm Ron. Vice Captain. The Strongest Man? He's just getting started.

Rating 3.0/5

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Chapters

Chapters 1–21 · up to 20 before and after the selected chapter.

1Chapter 1: The System Awakens 2Chapter 2: The Truth About the Dark-Dark Fruit 3Chapter 3: Whitebeard’s Decision 4Chapter 4: The Whitebeard Pirates Arrive at Jaya 5Chapter 5: The First Successful Enchantment 6Chapter 6: The Strongest Man Reborn — Whitebeard’s Phoenix Awakening 7Chapter 7: Marineford on Alert 8Chapter 8: A Reward Beyond Expectations 9Chapter 9: Whitebeard’s Shocking Decision 10Chapter 10: Whitebeard’s Proposal — Who Wants the Tremor-Tremor Fruit(Gura Gura no Mi)?11Chapter 11: A World in Turmoil — The Whitebeard Pirates’ Mysterious Actions 12Chapter 12: A Treasure Hoard Worth Three Hundred Billion!13Chapter 13: Fire and Frost Collide 14Chapter 14: Scarlet Phoenix Descends — Flame Emperor Against Ice Age 15Chapter 15: Back Off! That Blood Belongs to Me!16Chapter 16: Kizaru: I’m on Vacation!17Chapter 17: This Blood Belongs to Aokiji 18Chapter 18: Thirty Enchanted Devil Fruits!!!19Chapter 19: Come Visit Tonight to Thank Me~20Chapter 20: Jozu: Diamond + Tremor = The Strongest and Toughest!21Chapter 21: Devil Fruit Replication Technology! Martial Technique Reward!

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sagamaster789

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