The Origin of Orcs, in LOTR: Two Towers, when I heard Saruman say “they were once Elves”, I thought the matter was settled. Apparently for Tolkien, it was a transitional thing. 
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Are Lord of the Rings' Orcs Corrupted Elves, or Something Else?
The origin story of The Lord of the Rings' Orcs is a hotly debated topic among Tolkien fans, so here's a look at where they came from.
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