Is Infinity Castle the End of Demon Slayer? A Complete Explanation of What Comes After

Is Infinity Castle the end of Demon Slayer? This is a question many fans ask after reaching one of the darkest and most devastating arcs of the series. With major character deaths, nonstop battles, and the collapse of Muzan’s stronghold, the Infinity Castle Arc feels like a natural ending—especially for readers following the story closely on Mangakakalot.

However, while the arc delivers massive emotional impact and resolves many long-running conflicts, it does not conclude the entire story of Demon Slayer: Kimetsu no Yaiba. To understand whether Infinity Castle truly marks the end, it’s important to look at what the arc achieves—and what is still left unfinished afterward.

What Is the Infinity Castle Arc?

The Infinity Castle Arc is the stage where the Demon Slayer Corps launches a full-scale assault on Muzan Kibutsuji’s domain. The castle itself is a shifting, gravity-defying fortress that traps Demon Slayers in isolated battles against the Upper Rank demons, creating nonstop tension and chaos that often makes viewers wonder is infinity castle the end of demon slayer.

This arc is defined by:

• Constant, uninterrupted combat
• No opportunity for rest or recovery
• Multiple life-or-death battles happening simultaneously

Unlike earlier arcs, there is no buildup or cooldown. Once the Infinity Castle appears, the story moves forward relentlessly.

What Remains Unresolved After Infinity Castle?

Although the Infinity Castle Arc resolves many major battles, it does not conclude the core conflicts of the story. This is a key reason why the answer to is infinity castle the end of demon slayer is not as simple as it first appears.

Muzan Kibutsuji Has Not Been Defeated

The most important unresolved issue after Infinity Castle is Muzan himself. While his strongest subordinates are eliminated, Muzan survives and escapes the collapse of the castle.

As long as Muzan remains alive:

• The source of all demons still exists
• The demon curse continues
• The war is not truly over

Infinity Castle dismantles Muzan’s army, but it does not end his reign.

Tanjiro Kamado’s Core Mission Is Still Incomplete

From the very beginning of the series, Tanjiro’s goal has never changed. He fights to protect others, but his personal mission goes much deeper and is closely tied to his sister’s fate—a question many fans still ask: does nezuko die in demon slayer.

After Infinity Castle:

• Nezuko has not yet been fully restored
• Muzan has not been destroyed
• The cycle of demonization has not ended

If the story ended at Infinity Castle, Tanjiro’s journey would remain unfinished, stripping the narrative of its emotional payoff.

The Fate of the Remaining Demon Slayer Corps Members

Infinity Castle leaves the Demon Slayer Corps shattered. Many Hashira are dead, and the survivors are physically and emotionally broken.

What remains unclear at this point:

• Who will survive the final battle
• Whether the Corps can endure one last confrontation
• How much more sacrifice will be required

These unanswered questions keep the tension alive and make it clear that the story still has something crucial to resolve.

The Future of a World Without Demons

Perhaps the most overlooked unresolved issue is what happens after the fighting ends.

Infinity Castle focuses entirely on destruction, not rebuilding. At this stage:

• The demon threat still exists
• Humanity’s future is uncertain
• Peace has not been earned

The story must move beyond Infinity Castle to show whether the world can truly change once Muzan is gone.

Why Infinity Castle Feels Like the End

Many fans believe Infinity Castle is the ending because of how extreme and unforgiving it is, which naturally fuels the question is infinity castle the end of demon slayer.

• Massive Character Deaths

Infinity Castle is where Demon Slayer abandons any remaining sense of safety. Important characters—especially Hashira—die suddenly and permanently. These are not symbolic losses or temporary defeats.

The emotional impact of these deaths makes the arc feel like a final reckoning, where the cost of the war is fully paid.

• The Fall of the Upper Rank Demons

For most of the series, the Upper Rank demons are portrayed as nearly unbeatable. They are the pillars of Muzan’s power.

By the end of the Infinity Castle Arc:

• The Upper Ranks are defeated
• Centuries-old threats are erased
• Muzan is left without his strongest subordinates

This creates a strong sense of finality, as if the main obstacle has already been removed.

The Narrative Purpose of Infinity Castle

From a storytelling perspective, Infinity Castle is not the ending—it is the collapse of the old world.

This arc represents:

• The destruction of Muzan’s hierarchy
• The breaking of generational curses
• The moment when the Demon Slayer Corps sacrifices everything

Infinity Castle answers the question: What does it cost to reach the end?

But it does not yet answer: What does the end actually look like?

How the Tone Changes After Infinity Castle

Infinity Castle is chaotic and fragmented.

What follows is focused and desperate.

Instead of multiple enemies, there is only one. Instead of long-term strategy, there is only survival. The story becomes less about strength and more about endurance.

This tonal shift is one of the strongest indicators that Infinity Castle is not the end—but the moment that makes the end inevitable.

Why Infinity Castle Is Still the Emotional Climax

Although it is not the final arc, Infinity Castle is often remembered as the most emotionally intense part of Demon Slayer.

This is because:

• Most long-standing characters meet their fate here
• The cost of victory becomes undeniable
• Hope feels more fragile than ever

For many fans, this arc leaves the deepest impression—even more than the ending itself.

FAQs

• Is Infinity Castle the last arc in Demon Slayer?

No. It is the penultimate arc.

• Does Demon Slayer continue after Infinity Castle?

Yes. The story continues into the final battle against Muzan.

• Why does Infinity Castle feel like the ending?

Because it includes major character deaths and the defeat of the Upper Rank demons.

• Does the anime end at Infinity Castle?

No. The anime adapts events beyond the Infinity Castle Arc.

• What is the real ending of Demon Slayer about?

It focuses on defeating Muzan and resolving the Kamado siblings’ story.

Is infinity castle the end of demon slayer? The answer is no. While the arc delivers massive losses and resolves many long-running battles, it stops short of concluding the story’s core conflicts. Muzan remains alive, Tanjiro’s mission is unfinished, and the future of the world is still uncertain.

Infinity Castle marks the point where everything falls apart. The true ending comes afterward—when the final battle decides the fate of demons, humanity, and the survivors left behind.