Introduction – A World About to Unite
The end of One Piece is near. After over two decades of sprawling world-building, emotional arcs, and revolutionary mysteries, Eiichiro Oda has laid the groundwork for the final saga. With every chapter, the gears of destiny move closer to what could be the most dramatic upheaval in the world: the destruction of the Red Line.
For veteran fans and theorists who have followed the Straw Hat journey since the East Blue, the idea of breaking the Red Line isn’t just an end—it’s a rebirth. What if Luffy, as the inheritor of Joy Boy’s will, shatters the ancient wall dividing the world? Could this be the key to uniting the seas, fulfilling the All Blue dream, and collapsing the World Government in one symbolic act?
Let’s dive into what might be One Piece’s most explosive endgame theory.
What Is the Red Line?
The Red Line is a massive, continent-like landmass that runs across the world from north to south. Along with the Grand Line, it forms a cross that divides the oceans into four quadrants: East Blue, West Blue, North Blue, and South Blue.
Key facts:
- The Red Line is over 10,000 meters high, composed of impenetrable rock.
- Mariejois, the Holy Land of the Celestial Dragons, sits atop it.
- Fish-Man Island lies directly underneath it, shielded by a massive bubble.
- The only known crossing points are Reverse Mountain and Mariejois.
It’s not just a natural barrier—it’s a symbol of control and division. And like all great tyrannies in One Piece, it’s ripe for destruction.
The Theory Explained
The core of this theory is simple, yet monumental: Luffy—or rather, Joy Boy reincarnated—will destroy the Red Line by the end of the series.
This act will:
- Reunite the divided oceans.
- Fulfill the Fish-Man Island prophecy.
- Enable the formation of the All Blue.
- Collapse the World Government’s greatest stronghold.
This aligns with key One Piece motifs: unity, inherited will, breaking chains of oppression, and revolution. It also redefines the nature of the One Piece itself—not just treasure, but the world’s true history and freedom.
Evidence from the Manga
1. Fish-Man Island Prophecy
Madame Shirley’s vision in Chapter 610: “Luffy will destroy Fish-Man Island.” On its own, this seems like a dire prediction. But what if this “destruction” isn’t malice, but liberation?
If the Red Line is destroyed from above, Fish-Man Island may collapse—but in doing so, it may finally return to the surface, free from oppression and the Celestial shadow above.
2. Poseidon’s Power and the Sea Kings
Shirahoshi, Poseidon’s reincarnation, can control Sea Kings—massive beasts capable of shifting the tides themselves. Their purpose? To guide Noah to the surface when the “promised time” comes.
If Joy Boy broke a promise 800 years ago, Luffy—Joy Boy’s successor—may fulfill it by breaking the Red Line and leading the Fish-Men into the sunlight.
3. Void Century and Mariejois
The Red Line was possibly constructed or fortified during the Void Century to prevent people from uniting and discovering the truth.
Mariejois is literally a world above the rest, built on the suffering of others. Its fall would mark the end of heavenly tyranny—mirroring the downfall of Skypiea’s Enel.
4. Joy Boy’s Will
Chapter 1044 reveals Luffy is the user of the Hito Hito no Mi: Model Nika—a god-like, liberation-themed devil fruit. Joy Boy was a bringer of freedom, and what is more freeing than breaking the world’s greatest wall?
How It Could Happen
1. Ancient Weapons Unleashed
- Uranus could be the key—possibly a flying weapon tied to sky control.
- Pluton, the ship capable of island destruction, is now in Wano.
- Poseidon, already awakened in Shirahoshi, could guide Noah and the Sea Kings.
Together, these forces could fracture even the Red Line.
2. Luffy’s Final Gear?
Some speculate a Gear 6 or final form where Luffy’s awakened rubber body reaches god-tier seismic power. With enough momentum—amplified by haki or Joy Boy’s will—he could physically rupture the landmass.
3. The One Piece’s True Purpose
Perhaps the One Piece isn’t just treasure—it’s a mechanism, a key, or an idea that enables this final act. A truth so powerful it brings the world order crashing down.
Implications if True
1. All Blue Becomes Real
Sanji’s dream could finally be fulfilled. With no Red Line dividing the seas, all oceanic life merges—creating the mythical All Blue, where fish from every sea coexist.
2. Grand Line and Calm Belts Collapse
With the Red Line shattered, the Grand Line’s magnetic barriers and Calm Belt anomalies could dissipate. The seas become one vast, navigable expanse.
3. Fish-Man Liberation
Freed from Mariejois’ shadow, Fish-Man Island’s inhabitants ascend. Generations of segregation end, possibly joining the surface world at last.
4. World Government Crumbles
Mariejois—symbol of celestial power—literally falls. The Celestial Dragons, guardians of false divinity, are dethroned. A new world order can emerge.
5. Legacy Fulfilled
Joy Boy’s promise, Nika’s liberation, Luffy’s journey—all culminate in a unified, free world.
Fan Reactions & Counterarguments
Fan Enthusiasm
“If the Red Line falls, Laboon might finally see his friends again. It’s poetic!”
“It would mirror Enel’s fall from Skypiea. Heaven always falls in One Piece.”
Fans love the symmetry: freedom over tyranny, sea united under one sky.
Counterpoints
- Some argue physics don’t align—how would water behave if the landmass broke?
- The Red Line’s indestructibility has been emphasized—it may require otherworldly force.
- Others suggest it’s more metaphorical: the destruction of control, not the literal land.
Still, Oda has bent logic for thematic weight before—and nothing in One Piece is impossible.
Conclusion – The World United
The theory that the Red Line will fall is more than speculation. It’s a culmination of themes Oda has threaded from day one: unity, freedom, breaking the barriers imposed by power.
Whether by the Ancient Weapons, Luffy’s will, or the One Piece itself, the destruction of the Red Line could usher in the final liberation—a united world, where the seas are free, dreams are real, and history is no longer buried.
What do you think? Will the Red Line fall? Will All Blue finally emerge? Share your endgame theories in the comments and let the discussion sail!
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