Just now I published part II of the Thidrekssaga: Wieland the Smith.
Here we are told about Wieland the Smith and why and how he forged the sword Mimung that will be carried by his son Witig and will play an important role in the saga. It is so hard and sharp that no armour can stand against it, as will be proved by an impressive casualty list, starting with a competing smith. Even Dietrich himself will have to contend against it.
Note that Mimung is not a magic sword — in fact, the saga tells us exactly how it is forged, and the tale even makes chemical sense. No ladies in lakes here, or even dwarves, although Wieland was apprenticed to dwarves and might have learned his art there.
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