In this season, the Demon Slayer Corps, led by the Hashira (the highest‑ranking swordsmen), launch into an intensive training programme in preparation for the looming final battle against the demon lord Muzan Kibutsuji. Tanjiro Kamado and his allies come under rigorous mentorship, confront past wounds and unite their strengths as the stakes grow ever higher. This arc spans eight episodes and premiered on May 12 2024, concluding on June 30, 2024.