
Overview of Chapter 1138
- Shamrock’s Cerberus sword is introduced, contradicting the theory surrounding Blackbeard’s Cerberus fruit.
- The possibility of Blackbeard possessing multiple Devil Fruits may now connect to the enigmatic Rocks D. Xebec.
- Shamrock’s sword reveals a formidable ability that puts into question existing fan theories about Blackbeard’s powers.
Chapter 1138 of One Piece stands out as a monumental chapter in the series, celebrated widely by fans for its significant lore developments. It not only uncovers pivotal aspects of the Void Century but also delves into a time referred to as ‘The First World.’ While this crucial information had been hinted at previously, this chapter provides a clearer context.
The revelation of Shamrock’s destructive abilities overshadows other plot threads, such as the exchange between Shamrock and Loki. Although this chapter briefly concludes their dialogue, it simultaneously introduces an astounding power that elevates Shamrock to unprecedented levels, while simultaneously challenging a long-held theory about Blackbeard. Let’s explore this deeper.
Blackbeard’s Cerberus Fruit Theory Disproven
Exploring One Piece’s Long-Standing Theories





Blackbeard’s First Appearance |
One Piece, Chapter 223, “I Promise to Never Fight in This Town” |
---|---|
Shamrock’s First Appearance |
One Piece, Chapter 1134, “The Owl Library” |
Since his introduction, Blackbeard has been a figure shrouded in mystery. He is uniquely known for his ability to wield multiple Devil Fruit powers, a feat that usually results in death if attempted by anyone else. This anomaly came to light during the climactic battles of the Marineford War when Blackbeard claimed the Gura Gura no Mi power from Whitebeard’s remains.
Over ten years have passed since that incident, and the mechanics of Blackbeard’s unique ability remain unexplained. Marco has hinted at the peculiarity of Blackbeard’s body, fueling speculation among fans who have dissected every aspect of his character, from his vessel to his weaponry. This back-and-forth led to the prevalent belief that he possesses the Mythical Zoan Inu Inu no Mi, Model: Cerberus, allowing him to harness up to three Devil Fruits without perishing—a theory bolstered by numerous thematic connections.
This theory first surfaced during his debut in the Jaya arc when Luffy and Zoro noted Blackbeard’s unusual nature, referring to him as ‘they’ instead of ‘him’.This connection made the Cerberus theory appealing, linking him to symbolism around the number three and contrasting him with Luffy, the Sun God. For years, this notion evolved into the prevailing interpretation of Blackbeard’s character.
However, Chapter 1138 casts a shadow of doubt over these speculations. During the crucial moment of the conversation between Loki and Shamrock, the latter showcases the true extent of his sword’s power—a Supreme Grade Weapon that at first appeared formidable but is revealed to be even more fearsome than anticipated.





The revelation indicates that Shamrock’s sword possesses mystical Cerberus powers, enabling it to morph into a colossal three-headed dog that can sprout additional swords from its mouths. In a powerful display, Mystical powers allow the sword to strike mercilessly, as demonstrated during its engagement with Loki. Historical references, like Funkfreed from Enies Lobby, suggest that inanimate objects can embody Devil Fruit abilities, hinting that perhaps Shamrock imbued his sword with the Cerberus power, thereby avoiding the typical drawbacks associated with consuming a Devil Fruit. This may also imply Shamrock’s mastery of Conqueror’s Haki, rivaling even that of Shanks.
Unraveling the Mystery Behind Blackbeard
Understanding Blackbeard’s Powers





The introduction of Shamrock’s Cerberus abilities prompts a reevaluation of Blackbeard’s character. Various fan theories discussing his connection to the notorious Rocks D. Xebec have gained traction. Some fans speculate that Blackbeard’s Yami Yami no Mi holds the essence of Rocks himself, suggesting a form of duality that allows him to possess multiple Devil Fruits simultaneously.
Alternatively, theories postulate that Blackbeard may be the reincarnation of Rocks, allowing him a second chance to fulfill the ambitions that eluded him in his previous existence. Regardless of the direction these theories take, one thing is clear: Blackbeard is poised to play a pivotal role in the unfolding narrative of One Piece.
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