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
Beowulf: The Monsters and the Critics young Beowulf and the old Hrothgar. The poem's metre, too, is founded on a balance of two halves to each line, "more like masonry than music". Tolkien argues that the poem is not meant to be an exciting narrative, nor a romantic story, but a word-picture, "a method and structure that ... approaches rather to sculpture or painting. It is a composition not a tune." Far from being weakly structured, it "is curiously strong". It Tolkien takes a moment to dismiss another criticism, that monsters should not have been made to appear in both halves. He replies he can see