Season 3 of The Lord of the Rings: The Rings of Power premiered November 11, 2026, with Sauron secretly working on the weapon he hopes will win his war against the Elves. If that premise sent you looking for the scene in J.R.R. Tolkien’s books, go straight to the final section of The Silmarillion, “Of the Rings of Power and the Third Age.” That’s where Tolkien lays out what Sauron wanted the One Ring to do and how the Elves realized he had deceived them.
Then read two chapters of The Fellowship of the Ring to see why the Ring is still dangerous after Sauron loses it. Save The Fall of Númenor for when you want to see how the forging fits into the wider Second Age.
This guide includes spoilers for Tolkien’s books, including the early history of the One Ring.
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| If you want to know… | Read this |
|---|---|
| Where and why Sauron forged the One Ring | “Of the Rings of Power and the Third Age,” the final section of The Silmarillion |
| How the Ring went from Isildur to Frodo and why it had to go back to Mordor | “The Shadow of the Past” and “The Council of Elrond” in The Fellowship of the Ring |
| How the forging fits alongside the wars of the Second Age and the fall of Númenor | The Fall of Númenor, starting with the entries around Second Age 1500–1701 |
1. Start at the end of The Silmarillion for the forging

Open the table of contents and turn to “Of the Rings of Power and the Third Age,” immediately after “Akallabêth.” If your main question is how Sauron made the One Ring, you can start here even if you’ve never read The Silmarillion.
Sauron gains the trust of the Elven smiths of Eregion and shares knowledge that helps them make Rings of Power. Celebrimbor makes the Three without Sauron directly taking part. Sauron then forges his own Ring in secret in Mount Doom and puts much of his own power into it. He means to use it to govern the other Rings and exert control over those who wear them. When he first puts it on, the Elves become aware of him and remove their rings. Even the Three are subject to the One.
That last detail is what makes this account worth reading. Celebrimbor can work independently of Sauron and still make rings vulnerable to him. And Sauron’s first attempt to use the One gives him away to the very people he hoped to control. Suddenly the Elves have to decide what to do with objects into which they’ve poured years of skill.
The sequence also explains a major difference between Tolkien’s timeline and the setup for Season 3. In Appendix B, the One Ring is forged around Second Age 1600. The War of the Elves and Sauron begins in 1693, and Eregion falls in 1697. Prime Video’s third season opens after Eregion’s fall with Sauron still working toward the One Ring. For the full sequence and what happens to Celebrimbor, see our guide to what Tolkien wrote about the fall of Eregion.
Find The Silmarillion in paperback on Amazon
2. Read two chapters of The Fellowship of the Ring for Isildur, Gollum and Frodo

Start with Book I, Chapter 2, “The Shadow of the Past.” Gandalf tells Frodo what he has pieced together about Bilbo’s ring. A fire in Bag End reveals its inscription, and the history Gandalf recounts connects Isildur, Déagol, Sméagol and Bilbo to the small object Frodo has inherited. When Frodo tries to throw it into the fire, he finds himself putting it back in his pocket. You can see the Ring’s hold on him before he has even left home.
Then turn to Book II, Chapter 2, “The Council of Elrond.” Elrond remembers seeing Isildur take the Ring after Sauron fell. Gandalf explains how Isildur’s written account helped him identify it centuries later. The council has to decide whether to hide it, wield it against Sauron or destroy it. The discussion shows how the Ring makes the idea of using it for a good cause sound plausible, especially to people desperate to defend their homes.
Read together, the chapters make a good companion to The Silmarillion. There, you see what Sauron designed the Ring to do. At the council, even people who understand Sauron’s intent have to reckon with the temptation to use his weapon. That debate makes Frodo’s decision to carry the Ring to Mordor feel like a choice with real stakes.
Find The Fellowship of the Ring in paperback on Amazon
3. Pick up The Fall of Númenor for the wider Second Age

If you want to follow the forging alongside the history of Eregion, Mordor and Númenor, choose The Fall of Númenor and Other Tales from the Second Age of Middle-earth. Editor Brian Sibley brings together Tolkien’s writings in chronological order, drawing on The Silmarillion, Unfinished Tales and other texts. The dated entries make it easy to look up one event and see what else happens around it.
Start with the entries around 1500, when the Elven smiths begin making the Rings of Power. Read through around 1600, when Sauron forges the One, then follow the war through 1701. From there you can pick up the later story of Númenor or jump to the Last Alliance and Isildur’s taking of the Ring in 3441. If you already own a complete copy of The Lord of the Rings, Appendix B, “The Tale of Years,” gives you a shorter version of that timeline. In a three-volume set, look in The Return of the King.
Find The Fall of Númenor in the Alan Lee–illustrated hardcover on Amazon
Do you need to read The Hobbit first?
You can go straight to these selections. If you want to see how Bilbo gets the Ring, read “Riddles in the Dark” in The Hobbit. For the forging, start with “Of the Rings of Power and the Third Age.” If you only have time for one more chapter after that, make it “The Shadow of the Past.” It takes you from Sauron’s plan in Mount Doom to Frodo’s first uneasy attempt to let the Ring go.
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