Summary
- Seastone weapons are rare in One Piece, mainly used by Smoker.
- Crafting Seastone weapons is difficult and they may not be worth the effort.
- Seastone weapons can be used with Haki, but are overshadowed by its power.
Although the Devil Fruit system is central to the storyline in “One Piece”, it sometimes seems that not all facets of its enigmatic powers are fully developed. For instance, the drawbacks of using a Devil Fruit, such as being cursed by the sea and losing energy in the water, are not emphasized as much. This is particularly noticeable with the recent introduction of Haki, which can sometimes eclipse certain aspects of the Devil Fruits within “One Piece”.
It’s fascinating to note that while numerous characters in One Piece employ Haki to combat Devil Fruit users, there’s another method for dealing with these powers: Seastone weapons. This unique mineral can nullify even the most powerful Devil Fruit users, yet it’s scarcely been used significantly within the series. Seastone weapons are indeed present in the One Piece universe, and it’s a pity that only a few characters have taken advantage of them.
Seastone Weapons In One Piece Are Rare
Only Smoker Uses These Weapons Substantially
In the world of “One Piece”, it’s worth noting that one frequent user of Seastone weapons is none other than Vice Admiral Smoker. Since his debut, Smoker has consistently wielded the Nanashaku Jitte, a jitte that has been uniquely infused with the “One Piece” material known as Seastone. With the reach provided by his Devil Fruit ability, the Plume-Plume Fruit, Smoker can utilize the Jitte to siphon off the energy of Devil Fruit users and deal damage to characters, such as Luffy, who would otherwise be immune to him due to their own Devil Fruit powers.
The tip of my jitte is made of a substance known as Seastone. – Smoker
In the vast world of One Piece, outside of Smoker’s Jitte, Seastone weapons are relatively scarce. Among these few instances, a Seastone spear is wielded by Capone Bege, a member of the Worst Generation. Additionally, Wyper’s skates and the Seastone nails from Wano also fall into this category. Given that only two of these items can be classified as weapons, it appears that the concept of Seastone weapons didn’t spread widely. However, despite their potential on paper, these tools might not live up to fans’ expectations when it comes to effectiveness.
Seastone Is Hard To Use In Intricate Crafting
The Difficulty May Make Seastone Not Worth The Trouble

- Seastone Weapons May Be Difficult To Create
- Haki Does What Seastone Weapons Do And More
In the Wano Arc of One Piece, it appears that Seastone is rather challenging to manipulate. While there’s no explicit confirmation on this matter, forging weapons from Seastone might be an intricate process only mastered by the most skilled blacksmiths in the world of One Piece. On the other hand, crafting simpler items such as a Seastone net or handcuffs is achievable, but crafting something as refined as a sword or bullets would require significantly more effort.
Beyond just being time-consuming, crafting weapons from Seastone seems hardly beneficial due to the wide use of Haki in One Piece’s New World. For many fighters, Haki serves as their main source of power and growth. Moreover, Haki is one of the rare advantages that Seastone weapons possess, since it bypasses abilities from Devil Fruits. However, the immense force associated with using Haki makes the need for energy drain from targets almost redundant.
Seastone Weapons In One Piece Could Be Used With Haki
While Haki Is Stronger Than Seastone They May Be Stronger Together

Although Seastone weapons may appear outdated because they’re hard to produce and are often overshadowed by Haki, they can offer strategic benefits in battle. For instance, as demonstrated by Smoker during the Punk Hazard Arc of One Piece, these weapons can be combined with Haki to take advantage of both fighting styles. This allows for the power of Haki while also creating a natural disadvantage for users of Devil Fruits.
Only Haki can transcend all! – Kaido
Despite their presence in One Piece, it’s understandable why there are only a few Seastone weapons in the series. These weapons appear to be difficult to manufacture, they tend to break easily – as demonstrated when Smoker lost his Jitte on Punk Hazard – and they don’t offer much unique functionality that Haki can’t accomplish. In the world of One Piece, it’s usually the person wielding the weapon, not the weapon itself, that matters most. Although there seems to be a limited market for this type of weaponry, the overarching narrative of One Piece suggests that Seastone weapons offer little advantage in combat against Devil Fruit users.
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2025-01-20 20:56