Medieval Viking Ulfberht swords are some of the most famous swords in history because they were so strong that it was a wonder that bladesmiths in the 9th century were even able to make them.

Made from crucible steel, the swords stood out from everything from that time period. The process of forging the Ulfberht swords is so difficult that even modern bladesmiths have trouble getting the sword right.

The guys at Baltimore Knife and Sword took on the historical challenge of cooking up an Ulfberht and you can watch the entire process below.

H/T AWE me