But few know of another version of the story in which the legendary sword - named Calesvol in Cornish - is closely linked to a small lake on Bodmin Moor where Omfra the piskie regained his laugh ...

The Danes and Geats celebrate but outside on the moor another creature is lurking ... Hrothgar gives Beowulf a sword which, he tells him, has magical powers. Then Beowulf dives into the lake.