After Calenardhon was given to the Éothéod by Cirion, Steward of Gondor, and became Rohan, Isengard was the sole fortress retained by Gondor north of the Ered Nimrais (excluding Anórien), although Gondor almost forgot about it.
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During the War of the Ring Isengard was Saruman's base of operations against the Rohirrim, and he defiled the valley, cutting down its trees (and, in Peter Jackson's film version, damming the Isen).
Isengard |
The massive-scale simulation takes part in the realm of Rohan and the player controls the forces of Good during the onslaught of the forces of Evil, namely centered on the conflict with Saruman of Isengard.
Features of the Rockall Plateau have been officially named after features of Middle-earth in the fiction of J. R. R. Tolkien, e.g. Eriador Seamount, Rohan Seamount, Gondor Seamount, Fangorn Bank, Edoras Bank, Lorien Knoll, Isengard Ridge.
The Epic Story was advanced with Volume 3 Book 4: The Rise of Isengard and introduced such iconic characters as Grimbold, Théodred, Grima Wormtongue and Saruman the White.