Dwueth'var

In the Mighty Nein campaign are a few broken swords mentioned. When trying to fix the broken sword with Mending, it is unable to grasp the nature of the object to complete it.

Fjords broken sword
The sword was located in the Labenda Swamp Subterranean tunnel. It was found in a foot and a half by a foot and a half flat locked iron box, with a simple iron look on it. On the inside laid a beautifully-smithed sword handle and hilt made from silver with an acorn-sized emerald set on each side of the hilt, right in the center. The blade extends for an inch before it's broken off at a jagged angle. It seems to have broken off at some point.

There is no magical essence coming from it, beyond the beautiful make of it, there are runes carved across the hilt, not the pommel. At one point it was an enchanted blade but was sundered and is missing the rest.

Caduceus’s broken longsword
This sword is very old and probably a relic from pre-Divergence, from the Age of Arcanum. This sword was brought to The Invulnerable Vagrant, by somebody that was looking hard for some cash and Pumat Sol offered them a bit of cash. The reason they took it, is because the historical significance. They could probably fetch a pretty penny should they take it to the various lyceums, and the Academy would probably be interested. It is later purchased by Caduceus for 300 gp, because he likes broken things.

It's got a silver hilt and a silver pommel wrapped in red leathers around the handle, and there is a very fine filigree across the hilt and around the base, with a silver loop on the bottom of the pommel. It has about an inch of blade there and it looks like it's still sharp in places. There was some sort of enchantment embedded in it, but since the blade has been broken, there’s not.

Professor Tuss Waccoh broken sword blade
This blade has a very faint magical essence on the blade.