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Orthanc | The One Wiki to Rule Them All | Fandom
Orthanc - Tolkien Gateway
Isengard - Wikipedia
The History of Isengard (Orthanc) | Tolkien Explained
Isengard | The One Wiki to Rule Them All | Fandom
TolkienWiki: Orthanc
Orthanc | Tolkien Wiki
The Two Towers - Wikipedia
Barad-dûr | The One Wiki to Rule Them All | Fandom
The Museum : The Lord of the Rings : Orthanc - Black Tower of …