What Were the Two Devil Fruits Rocks D. Xebec Was After in One Piece?

 

Chapter 1156 of One Piece once again dives deep into the shadowy past of Rocks D. Xebec — one of the most feared and enigmatic figures in pirate history. In a shocking flashback, it’s revealed that Rocks wasn’t just after one, but two powerful Devil Fruits to realize his grand and dangerous ambitions.

Even more intriguing: one of these Devil Fruits may have been located in Elbaf, the land of giants.

So what were these two fruits? Let’s explore the theories:

 

1. A Mythical Devil Fruit Possibly Eaten by Prince Loki


There are strong hints that one of the Devil Fruits Rocks was after ended up in the hands of Loki — the notorious prince of Elbaf. According to rumors, Loki murdered his own father, King Harald, to claim a sacred fruit passed down through Elbaf’s royal family.

However, Chapter 1152 suggests the situation might not be so simple. The death of King Harald may have been a complex betrayal, or even a setup to frame Loki.

Still, the Devil Fruit stored in Elbaf’s royal castle likely ended up with Loki, a prince with a dark reputation. But what kind of fruit was it?

The prevailing theory is that this fruit may be inspired by Surtur, the fire giant from Norse mythology who brings about Ragnarok. In the flashback, Rocks even mentions that the fruit would have been far more devastating in the hands of Harald, due to his massive giant physique and immense strength.

This supports the idea that the fruit wasn’t just powerful — it had massive destructive potential, especially in the hands of a giant.

 

2. Could It Be the Hito Hito no Mi, Model: Nika?


Another strong theory suggests that Rocks may have been after the Hito Hito no Mi, Model: Nika, the same Devil Fruit Luffy eventually consumed.

Elbaf holds a deep reverence for the Sun God. Loki himself even proclaims to be the “Sun God.” This opens up the possibility that the legendary Devil Fruit passed down in Elbaf’s royal line might have been none other than the Nika Fruit.

In Chapter 1152, during the chaos of King Harald’s downfall, a mysterious character finds a chest in the treasure room and exclaims: “This is Elbaf’s treasure — the forbidden Devil Fruit!”

This doesn't seem to match Loki’s personality, suggesting the person might be from the World Government. The theory goes that the Nika Fruit was either stolen or swapped out secretly, and later transported under heavy CP9 escort — until Shanks intercepted the ship, likely knowing the true value of the cargo.

This means Loki may have unknowingly eaten a different fruit, still believing he held the royal heirloom — or he knowingly lied to preserve his image as a divine figure.

This theory ties into speculation that Joy Boy might have been a giant — especially given the massive Straw Hat stored in Mary Geoise. If true, Rocks may have believed the Nika Fruit would have reached its full potential if eaten by a giant like King Harald, not a regular human.

 

3. Was the Other Fruit the Ope Ope no Mi?


If one fruit was the Nika Fruit (or the Surtur-like mythical Elbaf fruit), what was the second?

One recurring theory ties Rocks D. Xebec to the Ope Ope no Mi — the "Ultimate Devil Fruit." Chapter 1156 adds weight to this speculation.

We know that Rocks once confronted Imu, the shadow ruler of the world. But instead of continuing the battle, he retreated, vowing to return. This suggests he realized he wasn’t strong enough to defeat Imu… yet.

In Chapter 761, Doflamingo references the “National Treasure of Mary Geoise,” a secret so powerful its revelation could shake the world. He even says he could have used it to rule the world — if only he had access to the Ope Ope no Mi, specifically for its Immortality Operation.

So what exactly is this “treasure”? If the "treasure" is actually Imu, an immortal being who has ruled the world for centuries, then it makes sense why Rocks would covet the Ope Ope no Mi — to steal or destroy that immortality.

In this light, Rocks may have needed:

  • One fruit for destructive power (Elbaf-based)
  • One fruit for eternal life or control (Ope Ope no Mi)

He hunted them both to prepare for an epic showdown. But before he could enact his plan, he was defeated at God Valley.

Interestingly, Doflamingo might have inherited part of Rocks’ plan — through family connections to the Donquixote lineage or leaks within the World Government.

 

4. What About the Uo Uo no Mi or the Nikyu Nikyu no Mi?


Another theory posits that Rocks may have once possessed the fruit he was hunting — and it was stolen and offered as a prize at the human hunt in God Valley.

That could explain his sudden attack — not just political, but personal.

Two key Devil Fruits in that era were the:

  • Uo Uo no Mi, Model: Seiryu (Kaido’s fruit), and
  • Nikyu Nikyu no Mi (Kuma’s paw fruit).

Both are devastatingly powerful, but it was Big Mom who seemed more focused on obtaining the Seiryu fruit at God Valley — suggesting Rocks was pursuing something else.

 

5. Could Luffy Now Hold the Two Fruits Rocks Was After?


Here’s the twist: If the two fruits Rocks sought were the Hito Hito no Mi, Model: Nika and the Ope Ope no Mi, both are now within Luffy’s circle.

Luffy has already consumed the Nika Fruit.

And Law — his ally — holds the Ope Ope no Mi.

Even if the mysterious Elbaf fruit ended up with Loki, it’s possible Loki might ally with Luffy in the upcoming war against the God’s Knights in Elbaf.

And if the target was Nikyu Nikyu no Mi, Kuma is also currently in Elbaf and is being restored by Lilith of Vegapunk’s team.

Now, with Luffy preparing to confront Imu directly, he may — knowingly or not — end up fulfilling Rocks’ long-abandoned mission… but with one key difference:

Luffy isn’t fighting for domination — he’s fighting for liberation.

What do you think about this theory?
Share your thoughts in the comments below!

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