Beowulf Hrothgar, king of the Danes, whose great hall, Heorot, is plagued by the monster Grendel. Beowulf kills Grendel with his bare hands and Grendel's mother with a giant's sword that he found in her lair. Later in his life, Beowulf becomes king of the Geats, and finds his realm terrorized by a dragon, some of whose treasure had been stolen from his hoard in a burial mound. He attacks the dragon with the help of his "thegns" or servants, but they do not succeed. Beowulf decides to follow the dragon to its lair at Earnanæs, but only his young Swedish
Beowulf: The Monsters and the Critics work's wide influence. Tom Shippey wrote that the essay "was seized upon eagerly, even gratefully, by generations of critics". Alvin A. Lee wrote that "Tolkien's manifesto and interpretation have had more influence on readers than any other single study, even though it has been challenged on just about every one of its major points." Seth Lerer wrote that the essay "may well be the originary piece of modern "Beowulf" criticism. … The strategies … control the fundamental assumptions of Old English scholarship for the next fifty years." R.D. Fulk commented that "No one denies the historical importance of this lecture.