Tanjiro Kamado – a boy who joined an organization dedicated to hunting down demons called the Demon Slayer Corps after his younger sister Nezuko was turned into a demon.

While growing stronger and deepening his friendships and bonds with fellow corps members, Tanjiro has battled many demons with his comrades, Zenitsu Agatsuma and Inosuke Hashibira. Along the way, his journey has led him to fight alongside the Demon Slayer Corps’ highest-ranking swordsmen, the Hashira, including Flame Hashira Kyojuro Rengoku aboard the Mugen Train, Sound Hashira Tengen Uzui within the Entertainment District, as well as Mist Hashira Muichiro Tokito and Love Hashira Mitsuri Kanroji at the Swordsmith Village.

As the Demon Slayer Corps members and Hashira engaged in a group strength training program, the Hashira Training, in preparation for the forthcoming battle against the demons, Muzan Kibutsuji appears at the Ubuyashiki Mansion. With the head of the Demon Corps in danger, Tanjiro and the Hashira rush to the headquarters but are plunged into a deep descent to a mysterious space by the hands of Muzan Kibutsuji.

The destination of where Tanjiro and Demon Slayer Corps have fallen is the demons’ stronghold – the Infinity Castle. And so, the battleground is set as the final battle between the Demon Slayer Corps and the demons ignites.

• Series Recap: The Story So Far

• Tanjiro Kamado becomes a Demon Slayer after his family is slaughtered by demons and his sister, Nezuko, is turned into one.

• He joins the Demon Slayer Corps to find a cure for Nezuko and defeat Muzan Kibutsuji, the first and most powerful demon.

• The story follows Tanjiro and his allies battling demons, growing stronger, and uncovering the history behind demon-kind.

• The Demon Slayer Corps

• An ancient organization dedicated to eradicating demons.

• Led by Kagaya Ubuyashik, who sacrificed himself to bait Muzan into attacking the Corps so they could defeat the demons one and for all..

• The Corps includes elite fighters called Hashira, each a master of a specific Breathing Style.

• Main Characters Still Standing

• Tanjiro Kamado,Protagonist, user of Water Breathing and Hinokami Kagura (Sun Breathing).

• Nezuko Kamado, Tanjiro’s demon sister, recently developed resistance to sunlight

• Zenitsu Agatsuma, Nervous but deadly with Thunder Breathing.

• Inosuke Hashibira, Fierce, wild fighter with Beast Breathing.

• Hashira still active: Giyu (Water), Sanemi (Wind), Gyomei (Stone), Obanai (Serpent), Mitsuri (Love).

• Muzan Kibutsuji & the Upper Rank Demons

• Muzan is the Demon King, creator of all demons and main antagonist.

• His goal: become truly immortal by conquering the sun (like Nezuko has).

• Upper Ranks are Muzan’s strongest demons. As of now, only a few remain and they're terrifying:

• Kokushibo (Upper One)

• Akaza (Upper Three)

• Nakime (Upper Four, controls Infinity Castle itself)

• Nezuko’s Sunlight Immunity

• Nezuko survives direct sunlight, something no other demon has ever done.

• This makes her Muzan’s top priority (more than killing the Hashira).

• Her condition could change the future of demonkind.

• Important Lore & Powers

• Sun Breathing, The original and most powerful Breathing Style, tied to Yoriichi Tsugikuni, a legendary Demon Slayer.

• Yoriichi’s legacy is connected to Tanjiro’s family and his mysterious earrings.

• The origin of demons and Muzan’s fear of Sun Breathing are central to the final arc.

• What Is the Infinity Castle?

• A massive, shifting demon realm controlled by Nakime.

• Serves as Muzan’s hideout and battlefield for the final war between demons and demon slayers.

• Visually stunning and extremely dangerous.

• Animation Expectations

• Produced by Ufotable, known for next-level animation (e.g. Mugen Train, Entertainment District fight scenes).

• Infinity Castle is expected to feature multiple back-to-back high-stakes battles with some of the best visuals in anime.