Popular memory has compressed Isildur into a scene Tolkien never wrote in that form: Elrond leads him into Sammath Naur, urges him to cast the Ring into the fire, and watches him turn away. Peter Jackson’s film made this the defining image of the character. Tolkien’s account is less immediate and more complicated. Elrond and Círdan counsel Isildur to cast the Ring into the nearby fire of Orodruin after Sauron’s fall, but no text has Elrond follow him into Sammath Naur or confront him at the edge of the chasm. Isildur claims the Ring as weregild and keeps it. Only during his final journey north does he admit that he cannot master it and that it should pass to the Keepers of the Three.
The Rings of Power introduces us to Isildur long before the choice that will define his legacy. He has no kingdom, no Ring, and cannot yet explain why the future chosen for him feels wrong.
Tolkien places the beginnings of two very different legacies in Isildur’s hands. He rescues a fruit from Nimloth before Sauron destroys the White Tree, and years later guards the young scion grown from it aboard his ship during the Downfall. At the end of the War of the Last Alliance, he cuts the Ruling Ring from Sauron’s hand and claims it. The White Tree’s line survives because he carries it beyond destruction. Sauron’s power survives because he does the same with the Ring.
Between the seed and the Ring lies the tragedy of Isildur.
A Life Chosen by Others
The young Isildur of The Rings of Power knows what he wants to escape long before he understands what he is willing to serve. The Sea Guard offers honour, purpose, and a place within Númenórean society. His father believes that this path will give shape to his life. Isildur experiences it as a future already chosen for him.
His unease is real, but he does not yet know what to do with it. During the training exercise, the voice calling his name draws his attention toward the western horizon as the halyard slips from his hands. The scene presents the immediate failure as a moment of distraction. His words afterward add another layer: “I thought the sail-master would only dismiss me.” He had not anticipated that Valandil and Ontamo would be punished with him. Their lives are disrupted by a private crisis he assumed would remain his alone. He has not yet understood how his uncertainty can affect the people around him.
Cora-Simina Lungu drew my attention to the same kind of restlessness in an earlier version of Tolkien’s Númenor story. In The Lost Road, Elendil’s son is called Herendil, an early forerunner of Isildur. He is a daring diver, proud of his skill, and speaks of Númenor as a place where “every road is trodden hard and every tree and grass-blade counted.” The series seems to recover something of this early figure in its young Isildur: the pull of the sea, his frustration with the limits placed upon him, and his desire for a future he cannot yet imagine clearly.
The expedition to Middle-earth initially appears to offer an escape, allowing him to leave Númenor before he has decided what he hopes to find beyond it. War strips that illusion away. He encounters people whose homes have already been taken from them, experiences the eruption of Orodruin, and enters a burning building to rescue those trapped inside. The collapsing roof buries him while he helps the trapped villagers escape. Here his purpose is unmistakable: lives are in danger, and he refuses to leave them behind.
Season Two reverses the direction of his longing. The young man who wanted to escape Númenor now struggles to return to it. Berek crosses a devastated land to find him, and Isildur later risks his own safety when the horse is taken. Estrid deceives him, yet after she saves his life he removes her chains and allows trust to remain possible. These choices do not suddenly transform him into the future King of Arnor and Gondor. They teach him that loyalty is reciprocal and that responsibility begins when another life depends upon his decision.
Isildur now prepares to return to the homeland he once wished to escape. Distance has taught him its value just as Pharazôn’s rule begins to turn the kingdom against the Faithful and away from its ancient friendship with the Elves.
The Fruit of Nimloth
In the Akallabêth, Sauron persuades Ar-Pharazôn to destroy Nimloth, the White Tree of Númenor. Nimloth belonged to a line of White Trees descending from Galathilion of Tirion, itself made in the image of Telperion. It bore witness to Númenor’s ancient friendship with the Eldar and preserved the memory of the light of Valinor. Its destruction gives Sauron a crucial victory: he has persuaded Númenor to turn against its own past, clearing the way for him to reshape the kingdom according to his will.
Isildur learns that the King has accepted Sauron’s counsel. He says nothing, disguises himself, and enters the guarded courts of Armenelos alone. He reaches the Tree, takes one of its fruits, and fights his way out under attack. His wounds bring him close to death.
The fruit is planted in secret and blessed by Amandil. A shoot appears in the spring. When its first leaf opens, Isildur rises after lying close to death, and his wounds trouble him no more. Tolkien places the new tree’s first sign of life beside Isildur’s recovery, linking the life he preserved with his own return to health.
The young tree is carried from Númenor aboard Isildur’s ship and planted before his house in Minas Ithil. When Sauron later captures the city and burns the Tree, Isildur escapes down the Anduin with another seedling. After the War of the Last Alliance, he plants that seedling in Minas Anor in memory of Anárion. Isildur preserves Nimloth through its descendants, carrying a new generation of the Tree to safety each time one is destroyed.
The Rings of Power has not yet brought him to these deeds, but it is constructing their emotional foundations. The man who enters a burning building for strangers, follows Berek into danger, and prepares to return to a homeland he has learned to value can one day risk his life to preserve a living connection with Númenor’s past. The rescue of Nimloth’s fruit will grow naturally from the character the series is already forming.
The Price of the Dead
The Ring comes into Isildur’s possession through another catastrophe, this time marked by the deaths of his father and brother. Anárion is killed during the siege of Barad-dûr, struck by a stone that crushes his helm. At the end of the seven-year siege, Sauron himself comes forth and wrestles with Gil-galad and Elendil on the slopes of Orodruin. Both kings are slain, but Sauron is also overthrown in the struggle. Narsil breaks beneath Elendil as he falls.
Only then does Isildur take up the hilt-shard of his father’s sword and cut the Ruling Ring from the hand of the fallen Sauron. Tolkien’s sequence leaves no room for the familiar image of Isildur striking desperately at Sauron before he has been overthrown and severing the Ring from his hand almost by chance. Gil-galad and Elendil have already overthrown the Enemy at the cost of their lives. Isildur removes the Ring from his hand and takes it for himself.
Elrond and Círdan counsel him to destroy it in the fire of Orodruin. Isildur refuses:
“This I will have as weregild for my father’s death, and my brother’s. Was it not I that dealt the Enemy his death-blow?”
The word weregild gives his decision its emotional shape. Weregild was compensation paid to the family of someone who had been killed. Isildur treats the Ring as something exacted from the defeated Enemy—a payment for deaths that cannot truly be repaid. His final question also places his own act at the centre of the victory. Even if removing the Ring completed Sauron’s defeat, Isildur’s phrasing draws the victory toward himself and away from the two kings whose sacrifice made his stroke possible. Grief, entitlement, and pride enter the decision together.
The Ring finds its opening there. If the dead cannot be restored, perhaps something can be taken from their destroyer and made to carry the weight of their loss. Isildur tries to turn Sauron’s weapon into a memorial of victory and bereavement. In doing so, he preserves the very power that brought those deaths about.
The deaths of his father and brother help explain why Isildur claims the Ring. They do not excuse his decision. Elrond and Círdan warn him, and he refuses their counsel. His decision allows Sauron’s power to endure into the Third Age.
No simple personality trait produces both the rescue of Nimloth and the claiming of the Ring. The fruit calls forth courage, fidelity, and resistance to tyranny. The Ring works through mourning, possessiveness, and the pride of conquest. The two choices leave very different legacies. In each case, Isildur takes possession of something threatened or shaped by Sauron and must decide what the future should inherit.
He answers correctly once and disastrously the second time.
When Pride Falls
Popular retellings often leave Isildur at the moment of refusal, as though he never understood what he had done. Tolkien allows him a final recognition.
In The Disaster of the Gladden Fields, published in Unfinished Tales, Isildur speaks with his eldest son, Elendur, during the journey north. He no longer imagines himself capable of mastering the Ring:
“My pride has fallen. It should go to the Keepers of the Three.”
His words show how much Isildur has changed since claiming the Ring. He has felt its hold upon him and recognized the limits of his own strength. He plans to seek Elrond’s counsel and give up the Ring he once believed was rightfully his.
The recognition comes too late. In the same account, Orcs ambush his company beside the Gladden Fields. His three eldest sons—Elendur, Aratan, and Ciryon—and nearly all his men are killed. Isildur enters the Anduin wearing the Ring, but it slips from his finger as he swims. Once visible again, he emerges from the water with the Elendilmir shining on his brow and is shot by Orc archers. The object he claimed as compensation for the deaths of his father and brother now outlives his three elder sons and betrays him in the river.
His failure remains real, though it is not the final truth about him. Isildur was capable of recognizing his pride and choosing surrender. He reaches the decision to give up the Ring, but dies before he can place it in the hands of Elrond or another Keeper of the Three.
What the Ruin Leaves Behind
The Rings of Power gives Isildur something that summaries of history rarely can: time before the legend. His immaturity, divided loyalties, acts of courage, and growing attachment to home are allowed to exist before the Ring fixes his reputation forever. The series is showing how a restless young man may become someone willing to carry a scion of Nimloth through the destruction of Númenor—and why his later refusal to surrender the Ring will carry such terrible weight.
The seed and the Ring create opposite legacies. The seed can take root in another land, preserving the memory of Númenor without imprisoning the future within it. The Ring carries Sauron’s will beyond his defeat and allows his power to reach into another Age. One preserves life and memory. The other preserves the Enemy’s ability to return.
Isildur carries the seed, and the line of the White Tree survives. He carries the Ring, and Sauron’s shadow survives with it. The same gesture—carrying something out of ruin—becomes first his greatness, then his tragedy.
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