Demon Slayer: Kimetsu no Yaiba: Season 2, Episode 7 - Set Your Heart Ablaze (2021)

The episode begins with Tanjiro Kamado, Zenitsu Agatsuma, and Inosuke Hashibira still aboard the Mugen Train, where they are trapped in a dream-like state created by the demon Enmu. Tanjiro is the first to awaken, realizing that he is in a dream where he is with his family, who are alive and happy. He feels a deep sense of nostalgia and warmth, but he quickly recognizes that this is an illusion. His determination to protect his friends and fulfill his mission as a Demon Slayer drives him to break free from the dream.

As Tanjiro awakens, he finds himself in the train's cabin, where he sees Zenitsu and Inosuke still trapped in their dreams. He tries to wake them up, but they are deeply engrossed in their fantasies. Tanjiro's concern grows as he understands that they are in danger, and he must find a way to save them. He uses his sword to cut through the dream, which causes a ripple effect, allowing Zenitsu to awaken. Zenitsu, still groggy, is confused but quickly realizes the gravity of their situation.

Inosuke, however, remains trapped in his dream, where he is the king of the mountain, surrounded by beautiful women. Tanjiro and Zenitsu work together to wake him up, but it takes a more forceful approach. Tanjiro uses his sword to slash at the dream, and with a final push, Inosuke awakens, furious and ready to fight. The trio now fully aware of their predicament, they prepare to confront Enmu, who is manipulating the train and its passengers.

The scene shifts to Enmu, who is revealed to be the Lower One of the Twelve Kizuki. He is confident in his abilities and believes he can easily defeat the Demon Slayers. Enmu uses his powers to put the entire train into a deep sleep, causing the passengers to become vulnerable. He plans to kill them and absorb their blood to gain strength. As the train speeds through the night, the atmosphere becomes tense, and the stakes are raised.

Tanjiro, Zenitsu, and Inosuke confront Enmu, who appears before them in a twisted form. He taunts them, revealing that he has already killed many passengers and that their lives are now in his hands. The trio engages in a fierce battle against Enmu, who uses his blood demon art to manipulate the train and create illusions. Tanjiro fights valiantly, using his Water Breathing techniques, while Zenitsu relies on his Thunder Breathing skills. Inosuke charges in with his Beast Breathing, showcasing his wild and aggressive fighting style.

As the battle intensifies, Enmu attempts to put Tanjiro back into a dream, but Tanjiro's resolve remains strong. He recalls his family's teachings and the pain of losing them, which fuels his determination. He manages to break through Enmu's illusions and strikes a critical blow, severing Enmu's connection to the train. However, Enmu retaliates, using the train itself as a weapon, causing it to lurch violently.

In a climactic moment, Tanjiro, Zenitsu, and Inosuke combine their strengths to launch a coordinated attack against Enmu. Tanjiro uses his Water Breathing techniques to create a powerful slash, while Zenitsu unleashes his Thunder Breathing. Inosuke, with his dual swords, adds to the assault, and together they manage to overpower Enmu. The demon is ultimately defeated, but not before he reveals that he has already set the train on a collision course, threatening the lives of everyone aboard.

As the train hurtles towards disaster, Tanjiro and his friends work quickly to save the passengers. They rush through the train, waking the sleeping passengers and guiding them to safety. The urgency of the situation heightens as they realize they have little time before the train crashes. Tanjiro's leadership shines as he encourages everyone to stay calm and follow his instructions.

In the final moments of the episode, the train crashes, but Tanjiro, Zenitsu, and Inosuke manage to escape just in time. They emerge from the wreckage, exhausted but alive. The episode concludes with the trio reflecting on their victory over Enmu, but they are also aware that greater challenges lie ahead as they continue their journey to defeat the demons and save humanity.

In the ending of "Demon Slayer: Kimetsu no Yaiba" Season 2, Episode 7 titled "Set Your Heart Ablaze," Rengoku Kyojuro faces off against Akaza, the Upper Rank Three demon. Despite Rengoku's fierce determination and powerful techniques, he ultimately succumbs to his injuries after a fierce battle. As he lies dying, he shares heartfelt words with Tanjiro and Zenitsu, encouraging them to continue fighting for their dreams. Rengoku's death deeply impacts Tanjiro, who vows to carry on his spirit. The episode concludes with Tanjiro, Zenitsu, and Inosuke mourning their fallen comrade, while Akaza escapes, leaving a lingering sense of loss and determination among the surviving characters.

As the episode begins, the scene is set in the aftermath of the intense battle between Rengoku and Akaza. The train is now still, and the air is thick with tension. Rengoku, despite his injuries, stands tall, embodying the spirit of a Hashira. His resolve is palpable as he prepares to confront Akaza once more. The two engage in a fierce exchange, their blades clashing with a symphony of sound that echoes through the night. Rengoku's Flame Breathing techniques are on full display, showcasing his mastery and the fiery passion that drives him.

As the battle intensifies, Akaza reveals his regenerative abilities, taunting Rengoku about the futility of his efforts. Rengoku, however, remains undeterred, fueled by his desire to protect humanity and uphold the legacy of the Demon Slayer Corps. The fight is brutal, with Rengoku landing powerful strikes, but Akaza's speed and strength prove to be overwhelming. The visuals are striking, with flames dancing around Rengoku as he channels his energy into each attack, his face a mask of determination and pain.

In a pivotal moment, Rengoku manages to land a decisive blow, severing Akaza's arm. However, Akaza, refusing to be defeated, retaliates with a flurry of strikes that leave Rengoku severely wounded. The emotional weight of the battle is heavy, as Rengoku's thoughts drift to his mother and the teachings she imparted to him. He recalls her words about the importance of living life to the fullest, which fuels his resolve even further.

As the fight reaches its climax, Rengoku unleashes his ultimate technique, the "Flame Tiger," a breathtaking display of power that momentarily overwhelms Akaza. But the toll of the battle is evident; Rengoku is on the brink of collapse. In a final desperate attempt, he pushes himself beyond his limits, but Akaza's relentless assault proves too much. Rengoku is ultimately mortally wounded, and as he falls, he expresses his gratitude to Tanjiro and Zenitsu, urging them to continue their fight against demons and to live their lives with passion.

In his final moments, Rengoku shares a poignant exchange with Tanjiro, who is filled with grief and admiration for the Hashira. Rengoku's last words resonate deeply, emphasizing the importance of setting one's heart ablaze with purpose and determination. As he passes away, the scene shifts to Tanjiro, Zenitsu, and Inosuke, who are left to grapple with the loss of their mentor and friend. The emotional impact of Rengoku's death is profound, leaving a lasting impression on the trio as they vow to honor his legacy.

The episode concludes with Akaza escaping into the night, a reminder of the ongoing battle against the demons. The final scenes capture the somber atmosphere as the surviving characters reflect on their experiences, their hearts heavy with loss yet ignited with a renewed sense of purpose. Tanjiro, in particular, is determined to carry Rengoku's spirit forward, embodying the ideals of bravery and resilience that Rengoku represented. The episode ends on a note of both sorrow and hope, setting the stage for the characters' continued journey in their fight against the darkness.

In "Demon Slayer: Kimetsu no Yaiba" Season 2, Episode 7 titled "Set Your Heart Ablaze," there is no post-credit scene. The episode concludes with a powerful emotional climax, focusing on the aftermath of the battle against the Upper Moon demon, Akaza. The narrative wraps up the intense events of the episode without any additional scenes or teasers following the credits. The focus remains on the characters' emotional states and the impact of their experiences, particularly highlighting Rengoku's legacy and the resolve of Tanjiro and his companions as they continue their journey.

Nezuko plays a supportive role in this episode, showcasing her growth and strength as a demon. While she does not engage directly in the battle against Akaza, her presence is a source of motivation for Tanjiro and Rengoku. Nezuko's unwavering loyalty and determination to protect her brother highlight the bond between the siblings, reinforcing the emotional stakes of the fight.

In this episode, Tanjiro faces off against Akaza, the Upper Rank Three demon. The battle is intense, showcasing Tanjiro's growth and determination. He uses his Water Breathing techniques, but Akaza counters with his own speed and strength. Tanjiro's resolve to protect his friends and avenge his family fuels his fighting spirit, leading to a fierce exchange of blows.

Rengoku's character is further explored as he demonstrates his unwavering resolve and dedication to the Demon Slayer Corps. He fights valiantly against Akaza, showcasing his Flame Breathing techniques. His internal struggle is evident as he reflects on his past and the weight of his responsibilities, ultimately embodying the spirit of a true Hashira.

Rengoku's final moments are poignant and filled with emotional weight. After a fierce battle, he is mortally wounded but remains steadfast in his beliefs. He shares heartfelt words with Tanjiro and Zenitsu, encouraging them to continue fighting against demons. His last thoughts reflect his desire to protect humanity and the legacy he wishes to leave behind.

Tanjiro is devastated by Rengoku's death, feeling a profound sense of loss and guilt. He struggles to process the reality of losing a mentor and a friend. Tanjiro's emotional turmoil is palpable as he vows to honor Rengoku's memory by continuing to fight against demons, embodying the spirit of his fallen comrade.

"Demon Slayer: Kimetsu no Yaiba" is known for its intense themes and graphic content, which may not be suitable for all children or sensitive viewers. In episode 7, "Set Your Heart Ablaze," there are several potentially objectionable aspects:

1. Violence: The episode features intense battles with demons, showcasing blood and injuries that may be distressing for younger viewers.
2. Death: Characters face life-threatening situations, and there are emotional moments surrounding loss and sacrifice that could be upsetting.
3. Emotional Turmoil: The characters experience deep emotional struggles, including fear, despair, and the weight of responsibility, which may resonate strongly with sensitive audiences.
4. Nightmare Sequences: There are scenes depicting nightmares and psychological distress that could be frightening for some viewers.

These elements contribute to the overall dark and mature themes of the series, making it advisable for parental discretion when considering it for younger audiences.