ringil
Mightest sword in the fictional world of JRR Tolkien. Its name means "chill star" or "cold star" in Sindarin, and it gittered like ice. It was the sword of Fingolfin, High King of the Noldor, the most brave and powerful warrior of all the Children of Iluvatar.
Fingolfin wounded Morgoth with Ringil seven times in single combat, forever maiming his walk.