The Lord of the Rings: The Rings of Power Stages Its First Battle

In "Udûn," the first true battle of the series pits untrained villagers against the relentless Orcs. The search for Sauron continues.

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I believe the opening battle of the Rings of Power is the Dagor Bragollach! : r/lotr

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The Lord of the Rings: The Rings of Power Stages Its First Battle in Episode 6