The Water 7 Arc featured in both the One Piece anime and manga, showcases the Straw Hat Pirates' journey to the enigmatic city of Water 7, where they encounter a web of mysteries and face challenging dilemmas.

In this arc, the Straw Hat Pirates' beloved ship, the Going Merry, becomes the center of attention as it starts to show signs of irreparable damage. This leads to a heartbreaking decision that deeply impacts the crew, forcing them to confront the reality of their ship's condition. The emotional weight and the bond between the Straw Hat Pirates and their vessel resonate strongly throughout the arc, tugging at the heartstrings of both viewers and readers.

Water 7 also introduces a diverse cast of engaging characters, including the enigmatic shipwrights of the Galley-La Company and the notorious assassin group known as CP9. The arc delves into political intrigue, showcasing the corrupt nature of the world government and the Straw Hat Pirates' involvement in a high-stakes battle against powerful enemies.

Furthermore, the Water 7 arc features intense battles, unexpected twists, and profound character development. It pushes the Straw Hat Pirates to their limits and challenges their loyalty and friendships. The dynamic between the crew members, their conflicts, and their unwavering support for one another make this arc a standout in the One Piece series.

DETAILED INFORMATION:

• Anime Episodes: 457-489
• Manga Chapters: 550-580
• Year(s) Released: 2004-2005 (Manga), 2005-2006 (Anime)

The Marineford War Arc centers around the Straw Hat Pirates' relentless pursuit to save their comrade, Portgas D. Ace, from execution at Marineford, the heart of the World Government's power. This storyline unveils a clash of titanic proportions as various powerful factions engage in a battle that shakes the very foundations of the One Piece world.

What makes the Marineford War Arc truly remarkable is its ability to evoke a myriad of emotions in both viewers and readers. From heart-wrenching sacrifices to shocking revelations, this arc delves deep into the bonds of friendship, loyalty, and sacrifice that define the Straw Hat Pirates and their allies.

The Marineford War Arc showcases some of the most iconic and memorable battles in the One Piece series. It features epic clashes between powerful characters, including Monkey D. Luffy, Whitebeard, Admiral Akainu, and many more. These battles are visually stunning and filled with strategic maneuvers, showcasing the creativity and brilliance of Eiichiro Oda, the creator of One Piece.

Moreover, the Marineford War Arc significantly impacts the overall narrative of One Piece, leaving a lasting impact on the characters and the world they inhabit. It marks a turning point in the series, setting the stage for future events and propelling the story towards new heights.

DETAILED INFORMATION:

• Anime Episodes: 457-489
• Manga Chapters: 550-580
• Year(s) Released: 2009-2010 (Manga), 2010-2011 (Anime)

As one of the top One Piece arcs, Enies Lobby takes viewers on an exhilarating journey filled with epic battles, emotional stakes, and remarkable character development. The arc's narrative prowess lies in its ability to seamlessly blend intense action sequences with heartfelt moments and thought-provoking themes.

The arc revolves around the rescue mission of Nico Robin and Franky, who had been captured by the clandestine organization CP9. The Straw Hat Pirates allied with Franky's family and the Galley-La Company to rescue them and seek revenge for Iceburg. This alliance launched an attack on Enies Lobby, the stronghold of CP9, and officially declared war against the World Government.

Franky officially joined and became the shipwright of the Straw Hat Pirates. With the increase in the number of crew members and the higher level of danger in the upcoming journey, Luffy's group decided to bid farewell to the ship Going Merry and welcomed the Thousand Sunny. In the final episodes of the season, they also encountered a group of bounty hunters called the Atchino Family.

With its engaging storyline, memorable characters, and breathtaking battles, Enies Lobby has solidified its place as one of the most popular One Piece storylines. It ifs a testament to the brilliance of Eiichiro Oda's writing and the mastery of the anime adaptation.

DETAILED INFORMATION:

• Anime Episodes: 264-290, 293-302, 304-312
• Manga Chapters: 375-430
• Year(s) Released: 2005-2006 (Manga), 2006-2007 (Anime)

One arc after another, the Straw Hats arrive on a mysterious island and end up having the best adventure of their lives. But this time, they invade Big Mom's homeland, one of the Emperors of the sea, to rescue Sanji. This became one of the best arcs and was widely praised by One Piece fans. It was an exciting ride to see the Straw Hat Pirates take on Big Mom, and Soul King Brook unexpectedly emerged as the MVP of this arc.

The Whole Cake Island Arc is brimming with surprises, from the intense conflict between Luffy and Sanji to the daring theft of a poneglyph and the revelation of Sanji's poignant backstory. Eiichiro Oda masterfully expands upon Sanji's childhood, introducing unexpected elements that deepen fan's understanding of his character.

The climax of the Whole Cake Island arc presents an epic showdown between Luffy and Katakuri, leaving viewers on the edge of their seats. The crew's escape from Big Mom's wrath following the disruption of Sanji's wedding to Charlotte Pudding, one of the beloved female characters in One Piece, adds an extra layer of excitement to this already enthralling storyline.

DETAILED INFORMATION:

• Anime Episodes: 783-877
• Manga Chapters: 825-902
• Year(s) Released: 2016-2018 (Manga), 2017-2019 (Anime)

The Wano Country Arc is the latest arc currently ongoing in the anime, but it recently ended in the manga. Surpassing the Dressrosa saga in length, this arc holds the record for the longest saga with 148 chapters and 140+ episodes. Divided into multiple acts, the Wano Country arc unfolds in a meticulously planned sequence, elevating the narrative with each subsequent act.

Set in an ancient Japanese-inspired setting with samurais, the anime's art style underwent a notable transformation to match the arc's overall mood. This arc delves into the untold story of the Wano Country, where the Straw Hat Pirates join forces with the samurai to plan and execute a raid on Onigashima. Additionally, it showcases captivating backstories involving Oden's interactions with Roger and Whitebeard. Oden's remarkable life intertwines seamlessly with the main narrative of One Piece, adding depth and intrigue to the overall story.

Notably, each member of the Straw Hat Pirates faces formidable opponents and emerges victorious, allowing viewers to witness their growth and development. The incredible powers of Law and Kid steal the spotlight, captivating audiences with their impressive abilities.

DETAILED INFORMATION:

• Anime Episodes: 890-894, 897-906, 908-1028, 1031-1085
• Manga Chapters: 909-1057
• Year(s) Released: 2018-2022 (Manga), 2019-2023 (Anime)

The Arabasta Arc is one of One Piece's most iconic storylines, following the Straw Hat Pirates as they attempt to defuse a massive war. Coming after the impactful Whiskey Peak and Drum Island Kingdom arcs, the crew sets foot in the Arabasta Kingdom, where they join forces with Vivi to liberate her country from the tyrannical rule of Crocodile. Notably, this arc also marks the formal introduction of Ace, adding to its memorable nature. The Arabasta Arc weaves a captivating narrative, filled with exhilarating battles and a satisfying conclusion.

Throughout the arc, each member of the Straw Hat Pirates faces formidable adversaries, contributing to the high-stakes nature of the story. The country becomes engulfed in an all-out war, leaving audiences on the edge of their seats, uncertain of the outcome. Meanwhile, Crocodile emerges as a formidable villain who inflicts bittersweet defeats upon Luffy, providing an opportunity for the protagonist's growth before their final clash.

While viewers may have anticipated Vivi's potential future as a Straw Hat member, their dreams are shattered in the end. However, the arc compensates for this with a heartfelt and poignant farewell among the crew members, evoking both happiness and tears.

The Arabasta Arc resonating impact on fans solidifies its place among the top arcs in the series, showcasing the brilliance of Eiichiro Oda's storytelling and the enduring popularity of One Piece's captivating storylines.

DETAILED INFORMATION:

• Anime Episodes: 92-130
• Manga Chapters: 155-217
• Year(s) Released: 2000-2002 (Manga), 2001-2002 (Anime)

Arlong Park stands as one of the most revered and impactful arcs in the One Piece series, captivating audiences with its emotional depth and powerful storytelling. It introduces the cruel and oppressive Arlong, a fishman pirate who tyrannizes the peaceful village of Cocoyasi. The arc delves into the tragic backstory of Nami, the Straw Hat Pirates' navigator, revealing her desperate struggle to free her people from Arlong's grip.

The emotional impact of Arlong Park is significant, as it explores themes of oppression, freedom, and the power of friendship. It showcases the unwavering loyalty and unity of the Straw Hat Pirates as they rally behind Nami, determined to liberate her and her village from Arlong's tyranny. The climactic battles and the Straw Hat Pirates' resolve to protect their friend make for an exhilarating and emotionally charged narrative.

Arlong Park is a pivotal arc that marks a turning point in the series, solidifying the Straw Hat Pirates' bond and further developing their individual strengths. It showcases Oda's skill in crafting multifaceted characters and engrossing plotlines.

DETAILED INFORMATION:

• Anime Episodes: 31-44
• Manga Chapters: 69-95
• Year(s) Released: 1999 (Manga), 2000 (Anime), 2023 (Live Action)

The Impel Down Arc, a significant part of One Piece's Summit War Saga, emerges as a monumental and pivotal storyline brimming with powerful characters. This arc revolves around Luffy's daring infiltration of the heavily fortified Impel Down prison, aided by the enigmatic Boa Hancock, all with the sole purpose of rescuing his beloved brother, Ace. In a series of crazy events that follow, he ends up with Buggy and other new characters. They all try to escape the prison amidst the chaos inside.

Notably, it also had two strange and amusing enemies who were just as powerful as the Wardens. It is within this arc that the notorious Blackbeard makes his entrance, recruiting vile prisoners to join his crew, and setting the stage for future confrontations.

This arc, situated right before the explosive Marineford War, holds its own as a highly entertaining and engaging narrative. Impel Down strikes a remarkable balance between exhilarating action sequences and comedic interludes, providing fans with a delightful blend of thrills and laughter. The performances of characters like Bon-chan, Luffy, and Buggy add depth to the storyline, further cementing the arc's reputation as one of the best in One Piece.

DETAILED INFORMATION:

• Anime Episodes: 422-425, 430-452
• Manga Chapters: 525-549
• Year(s) Released: 2008-2009 (Manga), 2009-2010 (Anime)

Before the Wano arc, the Dressrosa Arc was considered the longest arc in the series. Despite its slow pacing, the arc captivated fans with its remarkable elements, overshadowing any concerns. The Straw Hat Pirates found themselves pitted against the tyrannical rule of Doflamingo, who held Dressrosa Island under his oppressive grasp. Although the arc started off with a vibrant and cheerful tone, it quickly revealed a darker side as humans were manipulated and transformed into enslaved toys.

The individual battles of the Straw Hat Pirates, alongside allies like Law, were totally spectacular. Notably, the Dressrosa arc marked the emergence of the legendary God Usopp. Luffy's monumental showdown against Doflamingo reached unprecedented heights, leaving viewers in awe. The heartfelt message from Fujitora, expressing his admiration for Luffy, and the formation of the Straw Hat grand fleet added depth to the arc's lengthy storyline. From beginning to end, the Dressrosa arc remained consistently impressive.

The arc's status was further solidified with the reintroduction of Sabo, a significant character in the series. The Dressrosa Arc showcased the exceptional storytelling and character development that have made One Piece an enduring favorite among fans of the anime and manga medium.

DETAILED INFORMATION:

• Anime Episodes: 629-746
• Manga Chapters: 700-801
  
• Year(s) Released: 2013-2015 (Manga), 2014-2016 (Anime)

The Sabaody Archipelago Arc, despite its relatively short span of 20 episodes, left a lasting impression on fans of the One Piece anime and manga. This arc introduced the enigmatic figure of Silvers Rayleigh, known as the Dark King, and was filled with revelations that kept viewers and readers on the edge of their seats. The connections between Roger, Luffy, and Shanks, as well as Shanks mentioning Luffy to Rayleigh, added a wholesome layer to the storyline.

However, there was a particular moment in this arc that truly resonated with fans and solidified its place among the best arcs in One Piece. That moment was none other than when Luffy fearlessly punched a Celestial Dragon. This showcased Luffy's defiance against the oppressive world order, leaving viewers cheering for his audacity.

Additionally, the Straw Hat Pirates' struggle against the formidable Pacifista and their subsequent separation, where each member was sent to different locations, highlighted the vast power differences within the One Piece world. This realization forced the crew to confront their own limitations and strive to become stronger, marking a significant turning point in their journey.

DETAILED INFORMATION:

• Anime Episodes: 385-405
• Manga Chapters: 490-513
• Year(s) Released: 2008 (Manga), 2009 (Anime)

The Zou Arc, despite its relatively short duration, had a profound impact on fans of the One Piece series, leaving a lasting impression despite its limited screen time. The concept of an island perched atop a colossal, wandering elephant seemed incredulous, showcasing the boundless creativity of the author, Oda. Once again, this arc introduced a plethora of new characters, each adorned with unique and fresh character designs. Furthermore, the seamless connection between the main story and the subsequent Wano Country arc was brilliantly executed.

The unwavering loyalty displayed by the Mink tribe when questioned by Jack of the Beast Pirates, and the entire nation's willingness to lie in order to protect their friend, delivered a masterful plot twist that ranks among the best in the series. Additionally, the arc provided clear exposition on crucial details regarding Road Poneglyphs and the enigmatic figure of Oden, heightening the excitement and anticipation for the forthcoming Wano arc. Despite its brevity, the Zou arc delivered a wealth of information and a captivating plot, solidifying its rightful place among the best arcs in One Piece.

DETAILED INFORMATION:

• Anime Episodes: 751-779
• Manga Chapters: 802-824
• Year(s) Released: 2015-2016 (Manga), 2016-2017 (Anime)

The Skypiea Arc, an acclaimed arc within the One Piece series, follows the events of the closely-related Jaya Arc. While some fans consider the Straw Hat Pirates' time on Sky Island as potentially filler-like similar to their experiences aboard Thriller Bark, it presents an opportunity to explore a fascinating and new setting.

Despite its detachment from the main narrative of One Piece due to its unique location, the Skypiea Arc serves as an excellent platform to introduce a fresh environment. It can be likened to an isekai adventure, thrusting the protagonists into a strange and unfamiliar world governed by its own rules and populated by distinct characters. Notably, the arc introduces intriguing elements such as impact dials, which enable powerful attacks, and the presence of solid clouds that can be traversed on foot.

What truly sets the Skypiea Arc apart is the presence of an exceptionally memorable antagonist—Enel, the lightning god. This formidable character adds an extra layer of excitement and anticipation as the Straw Hat Pirates confront his overwhelming powers. Furthermore, the arc encompasses the significant discovery of a Poneglyph, a crucial artifact that allows Nico Robin to showcase her impressive skill set and knowledge.

DETAILED INFORMATION:

• Anime Episodes: 153-195
• Manga Chapters: 237-302
• Year(s) Released: 2002-2003 (Manga), 2003-2004 (Anime)