The most frightening character in Netflix’s The East Palace may not be a ghost at all. It may be the king himself.
Played by Cho Seung-woo, the king rules a palace haunted by vengeful spirits, unexplained deaths, and a curse that threatens to destroy his bloodline.
He appears to be fighting supernatural evil. He summons Gu-cheon, a spirit-slaying swordsman, to protect his family and uncover the truth.
But as the story unfolds, a disturbing question emerges.
What if the ghosts are not the source of the palace’s greatest evil? What if they are the consequences of crimes committed by the people who rule it?
That question transforms The East Palace from a supernatural mystery into a story about political power, inherited guilt, and the terrible price of protecting a throne.
And Cho Seung-woo’s performance makes the king one of the drama’s most complicated characters.
Spoiler warning: This article discusses major revelations and the ending of The East Palace (2026).
Is the King Evil in The East Palace?
The king is responsible for serious crimes, but the drama does not portray him as a simple, one-dimensional villain.
He is ruthless, secretive, and willing to sacrifice others to protect his authority.
Yet he is also a father who has lost his children, a son burdened by his mother’s crimes, and a ruler who eventually recognizes the suffering he has caused.
This contradiction makes him more unsettling than an ordinary antagonist.
When a ghost attacks someone, viewers understand the danger.
When the king speaks calmly, however, the threat is harder to predict.
His words can determine whether someone lives, dies, or disappears from the palace.
The supernatural creatures possess frightening powers.
The king possesses something equally dangerous: unquestioned political authority.
And unlike the spirits, he can justify his decisions as necessary for the survival of the kingdom.
The King’s Greatest Secret: How Did He Become King?
To understand Cho Seung-woo’s character, we must examine the tragedy that took place thirty years before the main story.
A favored court lady was accused of an illicit relationship and condemned to death.
As she died, she cursed the royal family.
Soon afterward, the princes ahead of the future king in the succession line began dying.
The palace believed the deaths were the work of a vengeful spirit.
But the truth was far more disturbing.
The princes had been poisoned by the future king’s biological mother.
She recognized that the curse provided an extraordinary opportunity.
If the royal family believed a supernatural force was killing its heirs, carefully planned murders could be hidden behind fear and superstition.
Her son, once far from the throne, eventually became king.
The tragedy was not simply that a woman committed murder to secure power for her child.
It was that the entire royal court accepted a supernatural explanation that concealed human responsibility.
This becomes one of the drama’s most important ideas.
The ghost was real.
But the ghost was not responsible for everything.
Did the King Know About His Mother’s Murders?
Yes. The king knew the truth behind his rise to power.
That knowledge shapes his behavior throughout the series.
His position is not founded solely on royal legitimacy or personal achievement. It rests on a succession manipulated through murder.
Admitting that history would threaten more than his reputation.
It could undermine the legitimacy of his reign.
This helps explain why he is so determined to control the narrative surrounding the new deaths.
When his own sons begin dying, he publicly rejects the possibility of a curse and treats the situation as a conspiracy.
Yet privately, he is desperate enough to summon Gu-cheon, a man capable of entering the spirit world.
That contradiction is revealing.
The king does not simply want the mystery solved.
He wants it solved without exposing the history that made him king.
His fear is therefore political as well as supernatural.
He fears the ghosts.
But he also fears the truth.
Why Did the King Kill His Own Son?
One of the most shocking revelations in The East Palace concerns the dead Crown Prince.
The Crown Prince possessed the ability to hear spirits, just as Saeng-gang does.
Through the voices of the dead, he learned the secret of his father’s accession.
He discovered that his grandmother had poisoned the princes ahead of her son in the line of succession.
Rather than recoiling from the crime, he recognized its usefulness.
The Crown Prince repeated the method.
He poisoned his older brothers, expecting their deaths to be blamed on the same supernatural curse.
But the king discovered what had happened.
And he made a terrible decision.
He poisoned his own son.
This is the defining contradiction of Cho Seung-woo’s character.
The king owed his throne to murders committed for his benefit.
Yet he refused to allow his son to inherit that throne through the same method.
Was he trying to prevent another cycle of bloodshed?
Was he protecting the moral authority of the monarchy?
Or was he defending his own control over the succession?
The series leaves room to consider more than one motive.
What cannot be denied is that he chose murder as the solution.
In trying to prevent his son from becoming a king through violence, he became the father who killed his own child.
The Cruel Irony: The King Creates the Evil Spirit He Fears
The Crown Prince dies believing he has been punished for following the example that established his father’s reign.
His resentment survives death.
He becomes an ak-gwi, a malevolent spirit whose hatred is no longer capable of ordinary release.
This is where the drama’s supernatural and political stories become inseparable.
The king tries to eliminate a dangerous successor.
Instead, he creates a supernatural enemy who threatens the entire royal bloodline.
The Crown Prince’s transformation is not merely a horror twist.
It reveals how violence can reproduce itself across generations.
The grandmother murders princes to make her son king.
The Crown Prince murders his brothers to become king.
The king murders the Crown Prince to prevent that succession.
The dead Crown Prince returns to destroy his father’s family.
Each act is justified by the person committing it.
Each act creates the conditions for another tragedy.
The curse becomes the visible form of a cycle that human ambition began.
That is why the king is more frightening than the ghosts.
The ghosts are terrifying because of what they have become.
The king is terrifying because of what he chooses to do while still human.
Why Does the King Refuse to Tell the Truth?
Throughout the drama, the king treats information as a weapon.
He decides who may investigate, what may be revealed, and who must remain silent.
His relationship with Gu-cheon illustrates this approach.
The king needs Gu-cheon’s supernatural abilities.
But he does not trust him.
Instead of asking for help as an equal, he uses threats to compel obedience.
Gu-cheon must solve the mystery or face death.
This is not an ordinary partnership between a ruler and an investigator.
It is an arrangement in which the king controls the conditions of survival.
Saeng-gang faces a similar problem.
Her ability to hear spirits makes her invaluable, but the truths she discovers threaten the royal family’s carefully protected secrets.
The closer she comes to understanding her mother’s death, the more dangerous her position becomes.
The king’s behavior reveals a central principle of authoritarian power within the drama’s fictional court:
The truth is permitted only when it does not threaten the person who controls it.
This is an interpretation of the king’s conduct, not a claim that every decision he makes has the same motive.
His fear for his remaining family is real.
But that fear does not erase the harm caused by his secrecy.
Cho Seung-woo’s Performance: The Terror of a King Who Rarely Explains Himself
Cho Seung-woo does not need to portray the king as constantly furious to make him intimidating.
Much of the character’s power comes from restraint.
The king occupies the throne as a man accustomed to controlling what others know about him.
He cannot openly confess his guilt.
He cannot easily display weakness.
And he cannot trust those who might uncover the truth.
This creates a character whose outward authority conceals profound vulnerability.
The performance is particularly effective because the king’s actions can be read on several levels at once.
His anger may conceal fear.
His silence may protect a secret.
His concern for his children may coexist with his determination to preserve the throne.
These are not mutually exclusive qualities.
That complexity is what makes the character compelling.
Viewers familiar with Cho Seung-woo’s controlled performance as Hwang Si-mok in Stranger (Secret Forest) may recognize his ability to communicate tension without relying on exaggerated emotion.
But the two characters occupy very different moral positions.
Hwang Si-mok seeks to expose hidden wrongdoing.
The king in The East Palace spends much of the story trying to contain the consequences of wrongdoing that helped establish his power.
The comparison highlights the actor’s range without suggesting that the characters are fundamentally alike.
Why Are the Ghosts More Honest Than the Living?
One of the drama’s most interesting reversals is that the dead repeatedly reveal truths the living refuse to acknowledge.
The palace regards spirits as threats.
Yet those spirits also preserve memories of crimes that powerful people have hidden.
Saeng-gang’s ability to hear them makes her dangerous precisely because she can access testimony that the royal court cannot fully suppress.
The dead cannot be intimidated by rank.
They cannot be persuaded to forget what happened.
And they cannot be silenced by an official account of events.
This gives the supernatural world a striking narrative function.
It becomes a place where buried history survives.
The living control the palace’s institutions.
The dead retain its memories.
In this sense, the horror of The East Palace is not simply that ghosts exist.
It is that the ghosts remember.
And what they remember exposes the violence beneath the kingdom’s carefully maintained appearance of order.
The Plague Village: When Protecting the Kingdom Becomes an Excuse for Cruelty
The king’s treatment of a plague-stricken village reveals another dimension of his character.
He orders villagers killed in an attempt to prevent the disease from spreading.
From the perspective of a ruler, containing an epidemic may appear to be an urgent responsibility.
But the drama confronts the audience with the human cost of his decision.
The villagers become resentful spirits.
Their suffering does not disappear because the king believed his actions served a greater purpose.
Eventually, these spirits are drawn into the Crown Prince’s supernatural army.
The king must face people whose lives were destroyed by his commands.
This raises a question that reaches beyond the fantasy setting.
Does an action become morally acceptable simply because a ruler believes it is necessary?
The series does not suggest that governing is easy or that every choice has a painless alternative.
Instead, it refuses to let the language of necessity erase responsibility.
The king’s power allowed him to make decisions affecting thousands of lives.
It did not free him from the consequences.
Why Does the King Apologize in the Finale?
The final confrontation brings the king to a point where threats and secrecy no longer work.
The Crown Prince’s spirit has gathered immense power from the resentment of the dead.
Gu-cheon and Saeng-gang are fighting an enemy sustained not only by supernatural force but by unresolved human suffering.
The king cannot defeat that suffering by ordering another execution.
For once, he must do something his authority has allowed him to avoid.
He must acknowledge responsibility.
He apologizes to the spirits of the villagers and promises to care for their surviving families.
He also accepts that his soul may face punishment after death.
This moment matters because it represents a change in how he exercises power.
Earlier, he tried to preserve his throne by controlling other people.
Now he attempts to resolve the crisis by accepting the consequences of his own actions.
His apology weakens the spirits supporting the Crown Prince.
That gives Gu-cheon the opportunity to defeat the malevolent spirit.
The final victory is therefore not achieved through swordsmanship alone.
It requires the king to recognize the humanity of people he once treated as expendable.
Is the King’s Redemption Complete?
Not necessarily.
His apology is significant, but it does not undo the deaths.
The murdered princes do not return.
The villagers cannot reclaim their lives.
Saeng-gang’s mother remains dead.
The king’s remorse changes the direction of the final confrontation, but it cannot erase the history that created it.
That distinction is essential.
A dramatic confession is not the same as complete moral redemption.
The finale allows the king to take responsibility without requiring viewers to forget his crimes.
This makes his ending more interesting than a simple transformation from villain to hero.
He remains a deeply compromised ruler.
But he is also a man who finally confronts the consequences of his decisions.
Whether that recognition is enough is a question the audience must answer.
The King and Gu-cheon: Two Men Who Make Opposite Choices
The contrast between the king and Gu-cheon gives the ending additional meaning.
Both men confront supernatural danger.
Both face the possibility of losing someone important.
Both must make decisions that carry terrible consequences.
But their instincts differ.
The king repeatedly tries to preserve what he possesses: his throne, his authority, and the secrets surrounding his family.
Gu-cheon ultimately risks everything he possesses to save Saeng-gang.
One character attempts to avoid paying the price of past decisions.
The other knowingly accepts a future burden.
This does not mean Gu-cheon is without fear.
In fact, his fear makes the sacrifice more meaningful.
He understands what becoming an ak-gwi could mean.
He acts anyway.
The king’s final apology and Gu-cheon’s sacrifice create a powerful thematic pairing.
One man finally stops running from responsibility.
The other willingly takes responsibility for protecting someone else.
What Does The East Palace Really Say About Power?
The supernatural mythology of The East Palace is built around resentment.
Spirits remain trapped because of unresolved suffering.
But the royal family’s tragedy reveals that resentment does not emerge from nowhere.
It is created by betrayal, ambition, violence, and the refusal to acknowledge wrongdoing.
The palace becomes haunted because people with power believe they can control the consequences of their actions.
They can order executions.
They can conceal evidence.
They can blame a curse.
But they cannot command the dead to forget.
This is the deeper horror of the story.
The supernatural world does not create the corruption of the royal court.
It exposes it.
And the king stands at the center of that contradiction.
He fears the ghosts because they threaten his reign.
Yet their existence also reveals the human suffering upon which that reign was built.
Final Verdict: The King Is Frightening Because He Is Human
The ghosts of The East Palace are designed to terrify.
They emerge from dark water, cross the boundary between worlds, and transform resentment into violence.
But Cho Seung-woo’s king presents a different kind of horror.
He does not need supernatural powers to destroy lives.
He has a throne.
He has soldiers.
He has the authority to turn fear into policy and silence into law.
And he has the ability to convince himself that terrible decisions are necessary.
That is why he may be the drama’s most frightening character.
Not because he is more evil than every spirit.
Not because he is incapable of remorse.
But because he demonstrates how ordinary human motives—fear, ambition, loyalty, pride, and the desire to survive—can produce extraordinary cruelty when combined with unchecked power.
In The East Palace, the ghosts haunt the palace because they cannot forget what happened.
The king haunts the story because he spent so long trying to make everyone else forget.
Frequently Asked Questions
Who plays the king in The East Palace?
Cho Seung-woo plays the king in Netflix’s 2026 Korean supernatural drama The East Palace.
Is the king the real villain in The East Palace?
The king is responsible for serious wrongdoing, but the story’s tragedy involves several perpetrators, including his biological mother and the Crown Prince. The drama explores how their actions perpetuate violence across generations.
Did the king kill his own son?
Yes. After discovering that the Crown Prince had poisoned his older brothers, the king poisoned the Crown Prince.
Who killed the princes thirty years earlier?
The king’s biological mother poisoned the princes ahead of her son in the succession line and allowed their deaths to be blamed on the pond spirit’s curse.
Why does the Crown Prince become an evil spirit?
After being killed by his father, the Crown Prince’s resentment turns him into an ak-gwi, a destructive malevolent spirit.
Does the king die at the end of The East Palace?
No. He survives the final confrontation and acknowledges responsibility for the suffering caused by his actions.
Does the king apologize to the ghosts?
Yes. In the finale, he apologizes to the spirits of villagers killed under his authority and promises to provide for their surviving families. This weakens the supernatural forces supporting the Crown Prince.
Related Reading on True Taste Korea
The East Palace Ending Explained: Why Is Gu-cheon Still Chained?
Gu-cheon survives the final battle, but the mysterious chain connecting him to the Realm of Gwi remains. Discover what his bargain means and why his freedom may be incomplete.
Sources and Further Reading
- Netflix Tudum — What Happens to Gu-cheon and Saeng-gang? The East Palace Ending Explained
https://www.netflix.com/tudum/articles/the-east-palace-ending-recap - Netflix Tudum — Ghosts, Gwi-maes, and Gu-cheon: Meet the Cast of The East Palace
https://www.netflix.com/tudum/articles/the-east-palace-cast-characters - Netflix Tudum — The East Palace official series guide
https://www.netflix.com/tudum/the-east-palace
TTK Original — Beyond the Headlines
This article combines verified plot information with independent thematic and character analysis.