# Demon Slayer: Kimetsu no Yaiba, Vol. 20
## The Final Battle at Infinity Castle
- **Tanjiro's Resolve**
- Tanjiro faces off against Muzan Kibutsuji, the progenitor of all demons.
- He recalls his past battles and the sacrifices made by his friends and family.
- His determination to defeat Muzan grows stronger than ever.
- **The Hashira's Sacrifices**
- The remaining Hashira engage in fierce battles with Muzan's strongest demons.
- Each Hashira fights with everything they have, knowing it may cost them their lives.
- Some Hashira fall in battle, but their sacrifices weaken Muzan's forces.
- **Muzan's True Form**
- Muzan reveals his ultimate form, showcasing his immense power and regenerative abilities.
- The Demon Slayers struggle to land a decisive blow on him due to his rapid healing.
- Tanjiro and his allies must find a way to exploit Muzan's weaknesses.
## The Power of Unity
- **Nezuko's Awakening**
- Nezuko Kamado finally awakens from her sleep, ready to fight alongside her brother.
- Her unique abilities as a demon who can withstand sunlight prove crucial in the battle.
- She plays a key role in weakening Muzan, giving the others an opening.
- **Teamwork Among the Demon Slayers**
- The Demon Slayers coordinate their attacks, combining their Breath techniques for maximum effect.
- Giyu Tomioka, Sanemi Shinazugawa, and other Hashira work together to pin down Muzan.
- Tanjiro uses this opportunity to deliver a critical strike.
- **The Role of Memories**
- Tanjiro taps into his memories of loved ones, drawing strength from their support.
- He remembers the teachings of his mentors, including Sakonji Urokodaki and Kyojuro Rengoku.
- These memories fuel his resolve and help him push through the toughest moments.
## The Climax and Aftermath
- **Muzan's Downfall**
- After a long and grueling battle, the Demon Slayers manage to deal a fatal blow to Muzan.
- Muzan's body begins to disintegrate, and he curses humanity until the very end.
- With Muzan's death, all demons begin to vanish, freeing the world from their terror.
- **Reflections on Loss**
- The surviving Demon Slayers mourn the loss of their comrades who gave their lives in the fight.
- They reflect on the bonds they formed during their journey and honor those who fell.
- Tanjiro feels both relief and sorrow, knowing that peace has come at a great cost.
- **A New Beginning**
- Nezuko regains her humanity after Muzan's defeat, fulfilling Tanjiro's greatest wish.
- The surviving members of the Demon Slayer Corps look toward a brighter future.
- Tanjiro decides to continue protecting others, carrying forward the legacy of the Corps.