Nitri's jewel- Stories tell that in the mines of Eventill that this mineral mas found as it is, in the same day as the birth of there prince Nitri, the miners as a sign of respect gave this enormous, but it could of been that no one was able to craft anything form this harder than diamond Jewel.
Obsidian Edge-this plane looking hunk of rock was crafted and enchanted by Smiles the castaway, an odd creation from a foreign land of primitive but deadly tools
Plagued Sword- the blood of a great demon corrupted this blade, and probably it user too, you would need strong divine protection to not get infected your self
Feather of the Storm Lord- A feather of the Storm lord who rules over the South wind, yet this is still a feather so don't expect to be cleaving people in two. maybe if you wield it with to hand and put all your might you my blow away your enemy,"maybe".
Dragons Fang- Legend goes that King Mark pulled this fang from a still living dragon, just to kill the dragon with it's own fang. the seen was forever depicted on the fang itself.
Personally i love the fang, and id love to use it in a game