The episode begins with a sweeping view of Onigashima, where the battle between the Straw Hat Pirates and the forces of Kaido and Big Mom is intensifying. The scene shifts to the rooftop, where Luffy, Zoro, and Law are engaged in a fierce confrontation with Kaido and Big Mom. Luffy, filled with determination, pushes himself to unleash his Gear Fourth form, preparing to deliver powerful attacks against Kaido. Zoro, standing beside him, channels his own resolve, ready to protect his captain and strike back against the formidable foes.

As the fight escalates, Kaido showcases his overwhelming strength, using his dragon form to unleash devastating blasts of wind and fire. Luffy and Zoro coordinate their attacks, with Luffy launching a barrage of punches while Zoro uses his swordsmanship to cut through Kaido's defenses. The tension rises as Big Mom joins the fray, targeting Law with her own powerful attacks. Law, using his Ope Ope no Mi abilities, creates a room to manipulate the battlefield, attempting to gain the upper hand against the two Yonko.

Meanwhile, the scene shifts to the lower levels of Onigashima, where the allied forces of the Samurai and the Mink Tribe are rallying together. Kin'emon, leading the charge, inspires the warriors with a passionate speech about their shared goal of liberating Wano from the tyrannical rule of Kaido. The samurai, filled with renewed vigor, prepare to join the fight, determined to support the Straw Hats and reclaim their homeland.

Back on the rooftop, the battle continues to rage. Luffy, in a moment of desperation, taps into his inner strength and pushes his Gear Fourth form to its limits. He delivers a powerful attack known as the "Kong Gun," which connects with Kaido, causing a significant impact. Kaido, momentarily staggered, retaliates with a ferocious strike, but Zoro intervenes, using his sword to deflect the blow and protect Luffy.

As the fight progresses, the scene cuts to the battlefield below, where the allied forces are clashing with the Beast Pirates. The Minks, led by Inuarashi and Nekomamushi, unleash their Sulong forms, transforming into powerful beasts under the moonlight. Their transformation turns the tide of battle, as they take on the enemy with ferocity and strength, showcasing their loyalty to the Straw Hats and their commitment to the fight for Wano.

Back on the rooftop, Luffy, Zoro, and Law regroup, strategizing their next moves against Kaido and Big Mom. They realize that they need to work together more effectively to overcome the overwhelming odds. Law uses his abilities to create a tactical advantage, allowing Luffy and Zoro to execute a combined attack. The three of them launch a coordinated assault, targeting both Kaido and Big Mom simultaneously.

The episode reaches a climax as the allied forces below begin to hear the sounds of the battle above. Kin'emon and the samurai, inspired by the Straw Hats' fight, push forward with renewed determination. They rally their troops, shouting words of encouragement and urging everyone to fight for their freedom. The atmosphere is charged with hope and resolve as the allied forces press on against the Beast Pirates.

In the final moments of the episode, Luffy, Zoro, and Law execute their combined attack, resulting in a massive explosion that sends shockwaves throughout Onigashima. The scene cuts to the faces of the allied forces, who feel the impact of the battle above, igniting their spirits. The episode ends on a cliffhanger, with the fate of the Straw Hats and their allies hanging in the balance as they prepare for the next phase of the battle against Kaido and Big Mom.

In the ending of One Piece, Season 21, Episode 1039, titled "A Dramatic Increase of Allies! Straw Hats Fight Back!", the Straw Hat Pirates, alongside their allies, rally together to confront the formidable forces of Kaido and the Beast Pirates. The episode culminates in a fierce battle where the Straw Hats, empowered by their newfound allies, begin to turn the tide against their enemies, showcasing their determination and unity.

As the episode unfolds, the scene opens with the Straw Hat Pirates regrouping after a series of intense confrontations. Luffy, filled with resolve, stands at the forefront, rallying his crew and allies. The atmosphere is charged with anticipation as they prepare to launch a counterattack against Kaido's forces. The camera pans across the battlefield, revealing the chaos and destruction wrought by the ongoing conflict, with the cries of warriors echoing in the air.

The scene shifts to Zoro, who is seen battling fiercely against one of Kaido's top commanders. His swordsmanship is on full display, each strike imbued with a sense of purpose as he fights not just for himself but for the future of Wano and its people. Zoro's internal motivation is clear; he fights to honor his promise to protect his friends and to uphold the legacy of his fallen mentor.

Meanwhile, Sanji engages in a heated skirmish, showcasing his agility and combat prowess. His thoughts are consumed with the safety of his crew, and he channels his emotions into every kick and punch, determined to prove his worth as a Straw Hat. The camaraderie among the crew is palpable, as they exchange glances of encouragement and support, reinforcing their bond.

Nami and Usopp are seen coordinating their efforts, using their unique skills to outsmart the enemy. Nami's weather manipulation and Usopp's sharpshooting create a dynamic duo that turns the tide in their favor. Their teamwork exemplifies the strength of their friendship and the importance of collaboration in the face of overwhelming odds.

As the battle rages on, the scene transitions to Luffy, who faces off against Kaido himself. The tension is thick as Luffy's determination shines through. He recalls the struggles of his friends and the people of Wano, fueling his resolve to defeat Kaido and liberate the land. The clash between Luffy and Kaido is monumental, with each blow resonating with the weight of their respective dreams and ambitions.

The episode reaches its climax as the Straw Hats, bolstered by their allies, unleash a coordinated attack against the Beast Pirates. The visuals are stunning, with vibrant colors and dynamic animations capturing the intensity of the battle. The unity of the Straw Hats and their allies becomes a symbol of hope, inspiring those around them to rise up against tyranny.

In the final moments, the tide of battle begins to shift. The Straw Hats, alongside their allies, push back against Kaido's forces, showcasing their growth and resilience. The episode ends on a hopeful note, with the Straw Hats standing together, ready to face whatever challenges lie ahead, embodying the spirit of adventure and camaraderie that defines their journey.

As the credits roll, viewers are left with a sense of anticipation for the next chapter in the saga of the Straw Hat Pirates, eager to see how their fight for freedom and justice will unfold in the Wano Country Arc.

In episode 1039 of One Piece, titled "A Dramatic Increase of Allies! Straw Hats Fight Back!", there is indeed a post-credit scene.

As the episode concludes, the screen fades to black before transitioning to a brief but impactful moment. The scene opens with a panoramic view of the Wano Country landscape, showcasing the vibrant colors of the cherry blossoms in full bloom, symbolizing hope and renewal amidst the ongoing chaos of battle.

The focus shifts to a group of samurai and allies gathered in a hidden location, their expressions a mix of determination and anxiety. Among them, we see familiar faces like Kin'emon and the other retainers of Kozuki Oden, who are strategizing their next move against the formidable forces of Kaido and Orochi.

Kin'emon, with a fierce glint in his eye, speaks passionately about the importance of unity and the strength they draw from their allies, including the Straw Hat Pirates. His words resonate deeply, igniting a fire within the group as they prepare to join the fight.

The scene then cuts to a close-up of a mysterious figure watching from the shadows, their face obscured but their presence palpable. This figure seems to be gathering information, hinting at future developments and potential twists in the ongoing conflict.

The post-credit scene ends with a sense of anticipation, leaving viewers eager to see how these alliances will unfold in the battles to come, reinforcing the themes of camaraderie and resilience that are central to the Wano Country Arc.

The animation style in episode 1039 is vibrant and dynamic, enhancing the intensity of the fight scenes. The fluid movements of the characters, combined with dramatic camera angles and explosive effects, create a visually stunning experience. The attention to detail in the characters' expressions and the choreography of their attacks adds to the emotional weight of the battles.

In episode 1039, the Straw Hats gain several new allies, including the samurai of Wano and the Mink Tribe, who rally together to fight against Kaido and the Beast Pirates. Key figures like Kin'emon and the other samurai join forces with Luffy and his crew, showcasing their determination to reclaim Wano.

Luffy's unwavering resolve serves as a rallying point for his allies. His determination to protect Wano and defeat Kaido inspires the samurai and the Mink Tribe, igniting their fighting spirit and solidifying their alliance. Luffy's confidence and leadership play a crucial role in boosting morale during the intense battle.

The Straw Hats utilize a combination of teamwork and individual strengths to fight back against Kaido's forces. They coordinate their attacks, using their unique abilities to create openings and exploit weaknesses in the enemy ranks. The episode highlights their strategic planning and adaptability in the heat of battle.

Throughout the episode, there are several emotional moments, particularly between the Straw Hats and their new allies. Characters express their fears, hopes, and determination, creating a sense of camaraderie. For instance, moments of remembrance for fallen comrades and promises to protect Wano deepen the emotional stakes of the battle.

In the episode "A Dramatic Increase of Allies! Straw Hats Fight Back!" from the Wano Country Arc of One Piece, there are several elements that may be considered objectionable or upsetting for children or sensitive viewers:

1. Violence: The episode features intense battles with characters engaging in combat, which may include physical injuries and confrontations that could be distressing for younger viewers.

2. Emotional Struggles: Characters experience moments of despair, fear, and determination, which may evoke strong emotions. The stakes are high, and the tension can be palpable.

3. Dark Themes: The overarching narrative includes themes of oppression and rebellion against tyrannical forces, which may be heavy for some viewers, especially younger children.

4. Character Loss: There are references to past losses and sacrifices made by characters, which can be emotionally charged and may resonate deeply with sensitive audiences.

5. Mature Humor: Some humor may be more suited for older audiences, including innuendos or jokes that might not be appropriate for younger viewers.

While One Piece is generally aimed at a broad audience, these elements may require parental guidance for younger viewers or those who are particularly sensitive to such themes.