Rings of Power has introduced Narsil, the sword famously broken when Elendil fought Sauron (& which Isildur claimed) but there's more to the story. Sauron fought multiple battles in The Lord of ...
There aren't too many swords in The Lord of the Rings that can elicit as much excitement as Narsil. Of course, in the Third Age, we know a certain future King of Gondor will use it to help save ...