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.
The dragon (Beowulf) of a "heroic society" which "depends upon the honouring of mutual obligations between lord and thane". Wiglaf remains loyal to his king and stays to confront the dragon. The parallel in the story lies with the similarity to Beowulf's hero Sigemund and his companion: Wiglaf is a younger companion to Beowulf and, in his courage, shows himself to be Beowulf's successor. The presence of a companion is seen as a motif in other dragon stories, but the "Beowulf" poet breaks hagiographic tradition with the hero's suffering (hacking, burning, stabbing) and subsequent death. Moreover, the dragon is vanquished through Wiglaf's actions: