The episode begins with Nami and Usopp in a precarious situation as they are cornered by Big Mom's homie, Zeus, who has been manipulated by Big Mom to turn against them. Nami, feeling the pressure of the situation, tries to reason with Zeus, reminding him of their past partnership and the bond they shared. She expresses her frustration and fear, knowing that if Zeus remains loyal to Big Mom, they will be in grave danger.

As the confrontation escalates, Nami's emotions shift from desperation to determination. She recalls the moments when Zeus helped her during battles, and she attempts to appeal to his sense of loyalty and friendship. Nami's heartfelt plea resonates with Zeus, who begins to waver in his allegiance to Big Mom. However, the tension rises as Big Mom herself appears, demanding Zeus return to her side, threatening to punish him for his disobedience.

In a sudden turn of events, Nami seizes the opportunity to use her Clima-Tact, launching an attack against Zeus. She channels her anger and fear into a powerful lightning strike, showcasing her growth as a fighter. The attack momentarily stuns Zeus, and Nami takes advantage of this moment to escape with Usopp. They run through the chaotic battlefield, dodging attacks from various enemies, including the formidable Big Mom Pirates.

As they navigate through the chaos, Nami and Usopp encounter other members of the Straw Hat crew, who are also engaged in their own battles. The camaraderie and urgency of the situation push Nami to fight harder, knowing that her friends are relying on her. She feels a surge of hope as she sees her crew members holding their ground against overwhelming odds.

Meanwhile, Zeus, still conflicted, grapples with his feelings of loyalty. He recalls the moments of joy and freedom he experienced with Nami and the Straw Hats. This internal struggle culminates in a pivotal moment where he must choose between his fear of Big Mom and his desire for friendship. As Nami and Usopp continue to evade capture, Zeus makes a critical decision to break away from Big Mom's control.

In a climactic moment, Zeus confronts Big Mom, declaring his intention to side with Nami and the Straw Hats. This act of defiance infuriates Big Mom, who retaliates with a powerful attack aimed at Zeus. Nami, witnessing this betrayal, feels a mix of fear and hope as she realizes that Zeus has chosen to stand with her. The scene is charged with emotion as Nami shouts for Zeus to join them, urging him to embrace his newfound freedom.

The episode concludes with a dramatic standoff between Nami, Usopp, and Big Mom, with Zeus now firmly on their side. The stakes are higher than ever as the battle rages on around them, setting the stage for the next phase of their fight against Big Mom and her crew. Nami's resolve strengthens, and she prepares to face whatever challenges lie ahead, bolstered by the support of her friends and the unexpected alliance with Zeus.

In the ending of "One Piece" Season 21, Episode 998 titled "Zeus' Treason?! The Cornered Nami!", Nami finds herself in a precarious situation as she confronts the betrayal of Zeus, who has been manipulated by Big Mom. The episode culminates in a tense standoff where Nami, with the help of her allies, fights to reclaim her power and protect her friends. Ultimately, Nami's determination shines through as she manages to turn the tide against her adversaries, showcasing her growth and resilience.

As the episode unfolds, we begin with Nami cornered, her heart racing as she faces the looming threat of Big Mom's wrath. The atmosphere is thick with tension, and the stakes are high. Zeus, once a loyal companion, has been swayed by Big Mom's promises, leaving Nami feeling betrayed and vulnerable. The scene is set with dark clouds swirling overhead, mirroring the turmoil within Nami's heart.

Nami's internal struggle is palpable; she grapples with feelings of anger and sadness over Zeus's betrayal. She recalls the moments they shared, the trust she placed in him, and the hope that he would stand by her side. As she faces Big Mom, the towering figure looms ominously, her presence a constant reminder of the danger Nami is in. The camera captures Nami's fierce determination as she clenches her fists, vowing not to let her friends down.

In a dramatic turn, Nami calls upon her weather manipulation abilities, summoning a powerful storm to counter Big Mom's overwhelming strength. The visuals are striking, with lightning crackling and rain pouring down, symbolizing Nami's resolve to fight back. The scene shifts to a close-up of her face, where we see a mix of fear and fierce determination. She knows that this battle is not just for her survival but for the safety of her crew.

As the confrontation escalates, Nami's allies, including Usopp, rally to her side, providing support and encouragement. Their camaraderie shines through, emphasizing the theme of friendship and loyalty that runs deep within the series. Together, they strategize, and Nami's leadership qualities come to the forefront as she directs their efforts against Big Mom.

The climax of the episode arrives when Nami, fueled by her emotions and the support of her friends, manages to reclaim Zeus. In a moment of clarity, she reminds him of their bond and the adventures they shared. The emotional weight of her words resonates with Zeus, who begins to question his loyalty to Big Mom. The animation captures the moment beautifully, with a soft glow surrounding Nami as she reaches out to him, embodying hope and redemption.

In the final moments, Zeus chooses to side with Nami, breaking free from Big Mom's control. The scene is filled with vibrant colors as the storm dissipates, symbolizing a new beginning for Nami and her allies. Nami's victory is not just a personal triumph; it represents the strength of her character and the unbreakable bonds of friendship that define the Straw Hat crew.

As the episode concludes, we see Nami standing tall, a fierce smile on her face, surrounded by her friends. The camera pans out, showcasing the chaos of the battlefield, but within their small circle, there is a sense of hope and resilience. Nami's journey in this episode highlights her growth as a character, showcasing her ability to overcome betrayal and emerge stronger, ready to face whatever challenges lie ahead.

In episode 998 of One Piece, titled "Zeus' Treason?! The Cornered Nami!", there is no post-credit scene. The episode concludes without any additional content after the credits roll. The focus remains on the intense events unfolding in Wano, particularly highlighting Nami's struggles and the dynamics with Zeus, as well as the overarching conflict with Big Mom's crew. The episode wraps up the narrative without extending into a post-credit moment, maintaining the tension and urgency of the storyline.

In episode 998, Zeus, the cloud homie, plays a pivotal role in Nami's struggle as he grapples with his loyalty to Big Mom versus his feelings for Nami. As Nami is cornered by enemies, Zeus's internal conflict becomes a focal point, showcasing his desire to protect Nami despite the treachery he faces from Big Mom.

Nami's emotional state is one of desperation and determination. As she faces overwhelming odds, her fear for her friends and her resolve to fight back against Big Mom's crew drive her actions. This emotional turmoil is evident as she tries to rally her strength and find a way to escape her predicament.

The significance of Nami's relationship with Zeus is highlighted in episode 998 as it showcases themes of loyalty and betrayal. Nami's past kindness towards Zeus creates a bond that complicates the situation, as Zeus must choose between his loyalty to Big Mom and his affection for Nami, ultimately impacting the outcome of the confrontation.

The Straw Hat Pirates exhibit a mix of concern and determination regarding Nami's situation. They are shown strategizing and preparing to assist her, reflecting their strong camaraderie and willingness to protect one another, which is a recurring theme throughout the series.

In episode 998, Nami employs clever tactics to try to escape her predicament, including using her weather manipulation abilities to create distractions and defend herself. Her quick thinking and resourcefulness are on display as she attempts to outsmart her opponents while relying on her wits and the bond she shares with Zeus.

In "One Piece" Season 21, Episode 998, titled "Zeus' Treason?! The Cornered Nami!", there are a few elements that may be considered objectionable or upsetting for children or sensitive viewers:

1. Violence: The episode features action sequences that include fighting and combat, which may be intense for younger viewers. Characters are shown in perilous situations, and there are moments of physical confrontation.

2. Emotional Distress: Nami experiences significant emotional turmoil as she faces threats and challenges. Her feelings of fear and desperation may resonate strongly, potentially upsetting sensitive viewers.

3. Character Betrayal: Themes of betrayal and mistrust are present, particularly involving Zeus, which could be confusing or distressing for younger audiences who may not fully grasp the complexities of such relationships.

4. Dark Themes: The overarching narrative includes elements of danger and survival, which may be intense for some viewers, especially in the context of the Wano Country Arc's serious tone.

While the show is generally aimed at a younger audience, these aspects may warrant parental guidance for children or those who are particularly sensitive to such themes.