What is tyrfing?

Tyrfing is a magical sword from Norse mythology. It was forged by the dwarves Dvalin and Durin for the Swedish king Svafrlami. The sword was cursed and would bring great misfortune to its owner.

According to the legend, the sword was eventually passed down to Svafrlami's daughter, who gave it to her son, the warrior Arngrim. The sword brought great power and victory to Arngrim, but also caused him and his family to be cursed and eventually led to their downfall.

The story of Tyrfing has been immortalized in various Norse sagas and poems, and it is often cited as a cautionary tale about the dangers of seeking power and glory through magical means.