Following the Formula in Beowulf, Örvar-Odds saga, and Tolkien

Mithril

Mithril is a fictional metal found in J. R. R. Tolkien's Middle-earth writings. It is described as resembling silver, but being stronger and lighter than steel.

Örvar-Oddr

Örvar-Oddr (, "Arrow-Odd" or "Arrow's Point") is a legendary hero about whom an anonymous Icelander wrote a fornaldarsaga in the latter part of the 13th century.

Germanic heroic legend

Heroic legends are attested in Anglo-Saxon England, medieval Scandinavia, and medieval Germany.

Beowulf

Beowulf is an Old English epic poem consisting of 3,182 alliterative lines. It is one of the most important and most often translated works of Old English literature.