One Piece: Pirate Warriors 4 Review
PC
Early Access
A musou adventure that embraces the absurd and delivers pure fun.
Reviewed by Manhaverse on Aug 20, 2025
The majority of entries in the musou genre have a tendency to merge. You enter vast battlegrounds, engage in combat with thousands of adversaries, and eliminate bases one by one while slamming into waves of anonymous villains. However, occasionally a specific series stands out and gives the formula a new vibe. One Piece: Pirate Warriors is a series for many people.
The Pirate Warriors series, created by Omega Force, the same studio that created the venerable Dynasty Warriors series, has always seemed like a perfect fit for musou gaming. It makes perfect sense to combine the outrageous skills, the flashy characters, and the overall atmosphere of anarchy. That formula has perhaps achieved its most refined form with One Piece: Pirate Warriors 4, providing you with one of the most enjoyable Warriors games to date.

The fact that this entry doesn't reinvent the wheel isn't necessarily what makes it unique. Rather, it capitalizes on all the things that initially drew people to One Piece and Musou games. Pirate Warriors embraces the ridiculousness of its subject matter, whereas previous Warriors games frequently handle it with a po-faced seriousness.
In One Piece: Pirate Warriors 4, a single character can send enemies flying in all directions with a barrage of rubber-powered punches that can cover half the battlefield or send seismic waves smashing through structures. One Piece's extravagant tone blends in perfectly with the genre's emphasis on spectacle, giving each combat a lively, chaotic, and absurdly entertaining vibe.
For fans of the anime and comics, One Piece: Pirate Warriors 4 offers a thorough examination of Luffy's adventures. The campaign condenses the vast One Piece plot into six story arcs, covers significant events, and includes a distinctive game conclusion.
Considering the amount of material in the manga, it's an ambitious endeavor, and even though not every detail is included, the end product is a plot that feels both expansive and captivating.
One Piece: Pirate Warriors 4 does not fully explain its setting to anyone who is not familiar with the original material. You might not understand the subtleties of betrayals, pirate alliances, and mystical fruits. It doesn't really matter, though, because the characters are so vibrant, expressive, and enjoyable.
The cast's sheer enthusiasm may captivate you even if you don't know anything about One Piece. Vibrant visuals and dialogue convey the tragic betrayals, outrageous antagonists, and fantastical allies. The spectacle and character development alone keep the experience interesting, whether or not you understand why a huge woman the size of King Kong is tearing across a battlefield.

The gameplay is fundamentally traditional Musou. You are placed in charge of a lone fighter and sent into vast, enemy-filled battlefields. The goals are simple and well-known: defeat region leaders, seize bases, stop enemy reinforcements, or eliminate bosses to move further. The fun is primarily driven by how flamboyantly you can achieve these goals; therefore, the simplicity adds to the appeal.
The battle cycle thrives on repetition, but Pirate Warriors 4 adds a surprising amount of additional powers to make the experience even more enjoyable. You can equip four characters per mission, and each character has a range of unlocked moves.
They all charge up very quickly and vary in style, area of effect, and raw destructive power. You will be prepared to use amazing tactics that eliminate dozens of enemies at once after a brief burst of basic attacks. Because each strike has its cooldown schedule, you can switch between strong moves all the time instead of waiting for a single bar to fill up. This guarantees that the fighting is constantly engaging and never drags.
You'll spend the majority of the campaign's about thirty missions with Luffy, but One Piece: Pirate Warriors 4 doesn't overlook the other characters. You can unlock and play with about three dozen characters, each of whom has a distinct fighting style.
A wide variety of playstyles may be found, ranging from Zoro's swordplay to Whitebeard's pure strength. Because each new character offers a different strategy for slicing through hordes of adversaries, the variety alone keeps the gameplay interesting.
One Piece: Pirate Warriors 4 is entirely focused on fighting, in contrast to puzzle-based action games. There aren't any complicated mechanics to understand or brainteasers to solve. Rather, the difficulty is in effectively slicing through countless enemy streams while controlling objectives on expansive landscapes.
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The destruction mechanisms add to the excitement of battle. Buildings can be leveled for the first time in the series. It is really thrilling to punch foes into buildings and watch them fall apart, which adds even more chaos to battles.
The monotony of routine confrontations is broken up by boss fights. Instead of just spamming moves, you must control timing and posture in these more targeted battles. They add some much-needed intensity spikes to One Piece: Pirate Warriors 4, but they aren't very complicated. When combined with the extensive special move system, these fights frequently resemble epic battles rather than drawn-out skirmishes.
In Pirate Warriors 4, advancement is linked to an upgrading system centered on "treasure maps." You can unlock specific abilities, attributes, and skills on each character's unique map.
Some common upgrades are available on a generic map, but character advancement determines access to more potent skills. You must put mission-acquired coins straight into the map of a certain fighter in order to enhance them.
Grinding naturally is encouraged by this system. You will make steady progress through the main campaign if you wish to fully power up Luffy and his core crew. However, you will need to play more missions with less important characters like Ace or Whitebeard if you wish to improve them.
The "Treasure Log" mode in One Piece: Pirate Warriors 4 makes this valuable. This area is ideal for grinding and trying out new characters because it allows you to replay stages or take on randomly assigned side objectives without being interrupted by story cutscenes.
Additionally, Treasure Log excels since it supports multiplayer. Teams of up to four players can participate in large-scale boss battles, or you can work cooperatively with another player to complete tasks. In addition to aiding in growth, this option adds diversity to the game, making sure you're never just playing the narrative over and over again.

One Piece: Pirate Warriors 4's visuals effectively convey One Piece's colorful aesthetic. The figures have distinctive animations that accentuate their individuality and give them a lively, exaggerated look. The art direction heavily mimics the anime aesthetic with emotive faces and lavish motion effects that highlight the absurd scale of the action.
It never gets old to watch skyscrapers collapse beneath a flurry of fists or seismic shockwaves rip across the battlefield. Large swarms of foes fill the screen without experiencing significant performance drops, which is crucial for a musou game, and the game runs nicely on Switch.
The sound design works well with the images. With their booming bangs and forceful cuts, attacks have a pleasing weight that sells the extent of the damage. Whether or not you can comprehend the language, the voice acting infuses each word with emotion and fire, making the dramatic stakes seem real even when the story's specifics may be unclear. As you cut through legions of enemies, the colorful and energetic soundtrack keeps the heart rate up and drives the tempo of engagements.
Although it doesn't have to, One Piece: Pirate Warriors 4 doesn't reinvent the musou genre. Rather, it refines the formula to almost flawless perfection and combines it with a trait that enhances all of the genre's positive aspects.
Everything about it seems to be intended to make the Musou experience as enjoyable as possible, including the outrageous special moves, the flashy characters, and the destructive spectacle.

Newcomers may not fully understand the plot, but the excitement of combat and the cast's charm more than make up for it. There is a ton of stuff to occupy your time thanks to the co-op options, the abundance of available characters, and the generous upgrade system.
When One Piece: Pirate Warriors 4 is at its best, it provides hours of wild fun—the kind of cathartic experience where you lose track of time because it is so gratifying to destroy thousands of enemies. It stands tall as one of the greatest in the genre. For pure, unadulterated entertainment, this game is worth playing regardless of your level of One Piece fandom or lack thereof.
Editor, NoobFeed
Verdict
One Piece: Pirate Warriors 4 is an obvious choice for Musou game enthusiasts, with its quick, dazzling, and captivating gameplay that embraces silliness in all the right ways.
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