Éomer his sister Éowyn were adopted by their uncle Théoden, king of the Rohirrim. He first appears in "The Two Towers" as the leader of the "éored" who attacked and killed the Uruk-hai who had kidnapped the hobbits Meriadoc Brandybuck and Peregrin Took. He helps Aragorn, Gimli and Legolas by providing them two horses, Hasufel and Arod, and guiding them to the spot where the attack had taken place. On his return to Edoras, Éomer reports this meeting to Théoden, and is promptly imprisoned on the orders of Gríma Wormtongue, Théoden's sinister advisor. Gríma kept the king in a sickly stupor
Minor places in Middle-earth Muil as far north as the Argonath. In "The Two Towers", Frodo and Sam struggled through the eastern Emyn Muil en route to the Black Gate of Mordor. Tolkien writes that he padded Frodo and Sam's difficult crossing with enough days to synchronize their movements with those of Aragorn and Gandalf. Frodo and Sam eventually escaped using a rope to descend a cliff to the Dead Marshes. In the meantime the Uruk-hai, carrying Meriadoc Brandybuck and Peregrin Took as captives, traversed the western Emyn Muil. They were pursued by the Three Hunters: Aragorn, Legolas and Gimli. The Emyn Uial (S.