Hálfdanar saga Brönufóstra to his father's kingdom and defeats and kills Soti and his Vikings. Although numerous sagas contain analogs to the iconic cave battle with Grendel and his mother in "Beowulf," none is closer to the Old English epic than is Hálfdan’s cave battle with Járnnefr and his wife. The saga is found in three, 15th-century vellum manuscripts, but its post-medieval popularity is evidenced by its preservation in over four dozen paper manuscripts. In the 18th century it served as the source for the first known saga forgery. "Hálfdanar saga Brönufóstra" has a sequel in "Sörla saga sterka", where it becomes clear
Old English literature "Beowulf", the sea is called the "whale road") and litotes, a dramatic understatement employed by the author for ironic effect. Alternative theories have been proposed, such as the theory of John C. Pope (1942), which uses musical notation to track the verse patterns. J. R. R. Tolkien describes and illustrates many of the features of Old English poetry in his 1940 essay "On Translating "Beowulf"". Even though all extant Old English poetry is written and literate, it is assumed that Old English poetry was an oral craft that was performed by a "scop" and accompanied by a harp. Most Old