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 wrote that the "epoch-making paper" stood out in considering "Beowulf" as literature. Heaney argued that Tolkien "took for granted the poem's integrity and distinction as a work of art", and showed how the poem achieved that status: Heaney called the paper's literary treatment "brilliant". He suggested that it had changed the way that "Beowulf" was valued, and that it had started "a new era of appreciation" of the poem. Tolkien's own translation of "Beowulf", published posthumously in 2014 as "", has been linked to the essay. Shippey has argued that the translation throws light on "what Tolkien really thought in