Beowulf the king of the Danes, whose mead hall in Heorot has been under attack by a monster known as Grendel. After Beowulf slays him, Grendel's mother attacks the hall and is then also defeated. Victorious, Beowulf goes home to Geatland (Götaland in modern Sweden) and later becomes king of the Geats. After a period of fifty years has passed, Beowulf defeats a dragon, but is mortally wounded in the battle. After his death, his attendants cremate his body and erect a tower on a headland in his memory. The full story survives in the manuscript known as the Nowell Codex.
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