One Piece has entered its final saga, and the Elbaph arc is delivering revelations that are reshaping everything we thought we knew about Eiichiro Oda’s world. With gods clashing, ancient secrets surfacing, and the Straw Hat crew facing their most existential challenge yet, fans are connecting dots that stretch back over 25 years of storytelling.
Here is a comprehensive breakdown of the biggest theories emerging from the Elbaph arc — the ones that could fundamentally change how we understand the entire One Piece story.
1. The Clash of Gods Will Redefine the Entire World Government
The Elbaph arc has been building toward something massive: a literal clash of gods. The giants of Elbaph worship their own pantheon, and these divine beings are not just mythological flavor — they are central to the conflict that will reshape the world.
Recent chapters have shown that the gods of Elbaph represent forces that predate the World Government itself. The theory gaining the most traction is that these ancient deities are directly connected to the Ancient Kingdom that the World Government erased from history 800 years ago. If true, this means the giants have been guarding the truth about the Void Century all along.
What makes this even more explosive is that Imu — the mysterious ruler of the World Government sitting on the Empty Throne — has now made a direct move on Elbaph. The confrontation between Imu’s forces and the giant pantheon is shaping up to be the ideological centerpiece of the final war.
2. The Last Straw Hat Member Is Already in Play
Perhaps the most exciting development coming out of Elbaph is how Oda is positioning what many believe will be the final Straw Hat recruit. The arc’s climax has been carefully laying groundwork that points to a character we already know — but the reveal of why they are essential to finding the One Piece is the real shocker.
Theories suggest this final member holds a key piece of the puzzle that connects directly to the Road Poneglyphs and Laugh Tale. Unlike previous recruits, this one may not join through emotional bonds alone — their role might be tied to a specific ability or knowledge that the crew literally cannot reach the One Piece without.
Some fans theorize it could be connected to the giants themselves, possibly a figure tied to the legendary Nika sun god lore that Luffy’s Gear 5 awakening introduced during the Wano arc.
3. Imu Is Connected to Joy Boy — And It Is Not What You Think
The biggest theory circulating among dedicated fans right now challenges the entire Imu-versus-Joy Boy narrative. What if they are not opposites at all?
Several clues point to a more twisted connection: Imu may have once been an ally of Joy Boy, or even Joy Boy themselves, corrupted by the power they found when they made a deal with the entity that gave rise to the World Government’s control. The “betrayal” that created the World Government 800 years ago might have been a personal one — not a political revolution.
This would explain why Imu has such a personal, obsessive interest in certain characters and artifacts throughout the series. It is not about maintaining power — it is about preventing the return of someone who made a promise that Imu broke.
4. What Comes After Elbaph Will Be Bigger Than Marineford
If Oda’s pacing holds, the arc that follows Elbaph will be the series’ most ambitious since Marineford — and many argue it will surpass it. Theories point to a massive convergence: the Ancient Weapons, the full reveal of the Void Century, and the gathering of all major powers in one conflict.
Marineford was about the end of an era — the death of an age. The post-Elbaph arc will be about the beginning of the new one. Every faction — the Revolutionary Army, the remnants of the Marines, the Straw Hats, the World Government’s elite forces — will collide in a way that makes the Paramount War look like a skirmish.
5. The Ancient Weapons Are Not Just Weapons — They Are Keys
One of the most compelling theories to emerge from the final saga involves the true purpose of the Ancient Weapons. Pluton, Poseidon, and Uranus have always been treated as ultimate destructive forces. But what if they are actually the mechanism for something far more profound?
The theory suggests the Ancient Weapons are keys to a global transformation — one that Joy Boy intended to activate 800 years ago and that Luffy is now positioned to complete. This would tie the weapons directly to the One Piece itself, making the treasure not just a pile of gold but a blueprint for reshaping the world.
If this theory is correct, finding the One Piece and activating the Ancient Weapons are the same mission — and every Straw Hat’s individual growth has been building toward this exact moment.
6. Usopp’s Confrontation With Imu Is the Heart of the Final War
Recent chapters have been building toward something that might be the most emotionally devastating moment in One Piece history: a direct confrontation involving Usopp and the forces aligned with Imu. On the surface, this seems absurd — Usopp versus the ruler of the world?
But that is exactly why it works. Usopp has always been the crew’s most relatable member — the coward who becomes brave when it matters most. If Oda stages the final ideological conflict through Usopp’s lens, it would be a masterstroke of storytelling that brings the entire series’ themes full circle.
The giant kingdom’s connection to Usopp’s own journey — his lies becoming truth, his dream of becoming a brave warrior of the sea — makes him the perfect vessel for the final saga’s core message about courage, belief, and the stories we tell ourselves.
7. Gear 5 Has a Second Awakening Nobody Saw Coming
Luffy’s Gear 5 (Sun God Nika) was the biggest reveal of the Wano arc, but many theorists believe it is only the first stage of a larger transformation. Clues scattered through Elbaph suggest that Nika’s true power has a second awakening — one that requires Luffy to achieve a deeper connection with the world itself.
This would explain why Oda has been emphasizing themes of freedom, the sun, and the “most ridiculous power in the world.” The second awakening may not be about combat at all — it could be about Luffy’s ability to fundamentally alter reality in service of his crew’s dream.
Why These Theories Matter
One Piece has always rewarded patient, engaged readers. The beauty of Oda’s storytelling is that even the wildest theories often have seeds planted hundreds of chapters earlier. The Elbaph arc is paying off setup that began in the East Blue — and the final saga is where all of it converges.
Whether these theories prove correct or Oda has even more surprises waiting, one thing is certain: we are witnessing the climax of the greatest adventure story ever told in manga form.
Which of these Elbaph theories do you think will actually come true? And what is your own prediction for the final saga? Drop your theories in the comments below.
