Published Feb 18, 2026, 3:20 PM EST
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Sauron fights many battles during The Lord of the Rings' history, and not all of them end in victory. The Dark Lord famously falls at the Last Alliance of Elves and Men thanks to the combined efforts of Elendil, Gil-galad, and Isildur. Before that, Sauron gets beaten into retreat by the wolf Huan. And, of course, Sauron's greatest defeat comes at the hands of a hobbit and his gardener.
Another of Sauron's stunning defeats is at the hands of The Lord of the Rings' undisputed strongest character, Eru Ilúvatar. The god of Tolkien's universe, Eru is a primordial being responsible for creating Middle-earth, the wider world of Eä, the Ainur (Morgoth, Sauron, Gandalf, Saurman, etc.), and the races of Elves and Men. Eru's power of creation is said to derive from the Secret Fire, which is mentioned by Galdalf during his "go away" speech to the Balrog in The Fellowship of the Ring.
Eru is omnipotent, and could reshape Middle-earth should they wish to. Like most omnipotent beings, however, Eru has a habit of not getting involved in mortal affairs. Eru likely permits the Valar to wage war against Morgoth in the First Age, but the deity otherwise lets his creations handle the big bads of Middle-earth. Aside from one occasion...
Eru Destroyed Sauron At The Fall Of Númenor
Eru Ilúvatar's most direct involvement in the dealings of Middle-earth happens during the Second Age. At this point, Sauron has been taken as a prisoner by the prideful Númenórean king Ar-Pharazôn, but manages to worm into his captor's mind. Under Sauron's influence, Númenor turns into an island worshiping Morgoth, and Pharazôn, in his idiocy, decides to sail an army straight to Valinor.
Eru refuses to take such an insult, promptly burying Pharazôn and his army in an avalanche of earth, while also reshaping the planet to make it impossible for anyone to reach Valinor without permission. But Eru doesn't stop there.
To punish Sauron and the blasphemous Númenóreans, Eru uses the sea to destroy the island completely. All who remain there perish, while Sauron's physical form is utterly destroyed. As an immortal maia, the Dark Lord regathers his power and mounts another assault on Middle-earth, but he permanently loses the ability to shape-shift.
Was Eru Actually Trying To Kill Sauron?
From Tolkien's writings, it isn't entirely clear how much Númenor's destruction is intended to smite Sauron, or whether the villain being on the island at the time simply represents a happy accident.
The giant wave that crushes Númenor is punishment for those who turned their back on goodness and became followers of Morgoth, even if they were under Sauron's sway. Nevertheless, if Pharazôn had acted entirely under his own will and Sauron never stepped foot on Númenor, the king's ill-fated assault on Valinor would still have caused Eru to bring the island down. Eru doesn't decimate Númenor just to get back at Sauron.
Sauron losing his shape-shifting ability, on the other hand, seems to suggest Eru's punishment is more targeted.
It is possible that Sauron pours so much of his spirit into the One Ring that he's only able to adopt one physical form after his body gets destroyed at Númenor. But the way Tolkien tells the story makes it sound like "thou shalt not shape-shift" is a strike handed down directly from Eru to Sauron as a consequence of corrupting the Númenóreans.
That would mean Eru attacking Sauron is a very deliberate act. The god wants to crush Sauron (as well as the entirety of Númenor), and decides to kill two birds with one stone by bringing the entire doomed island down forever.
Either way, this encounter between Eru and Sauron is extremely one-sided. This is a villain that even the strongest elves and men spent centuries struggling against. One that took thousands of years and a Fellowship to properly vanquish. And yet Eru comes along and crushes Sauron with a single move - almost as nothing but the byproduct of cleaning up a separate mess.
It's not strictly a "battle," because Eru is so much higher than Sauron and can kill the villain without being physically present, but it's as close as The Lord of the Rings gets with two beings of such great spiritual strength. And with Eru never usually getting involved in such events, the act against Sauron is a rare feat of godlike magnitude where a main character is targeted.
Eru would ultimately have the last laugh against Sauron, albeit not with an offensive move. According to Tolkien, the stumble that sends Gollum toppling into the fires of Mount Doom at the climax of The Lord of the Rings is a moment of divine intervention by Eru himself. In the end, the smaller act has far greater impact.
Created by J.R.R. Tolkien
Character(s) Frodo Baggins, Gandalf, Legolas, Boromir, Sauron, Gollum, Samwise Gamgee, Pippin Took, Celeborn, Aragorn, Galadriel, Bilbo Baggins, Saruman, Aldor, Wormtongue, Thorin Oakenshield, Balin Dwalin, Bifur, Bofur, Bombur, Fili, Kili, Oin, Gloin, Nori, Dori, Ori, Tauriel, King Thranduil, Smaug, Radagast, Arondir, Nori Brandyfoot, Poppy Proudfellow, Marigold Brandyfoot, Queen Regent Míriel, Sadoc Burrows
English (US) ·