Upon arriving in Uthodurn, the celebration located Umagorn Smeltborne, a blacksmith. Umagorn recognized the sword they ended up attempting to have repaired was Dwueth'var, the Star Razor. He tells them that he can take care of it, but he will need iceflex, shaped by a white dragon breathing on mythril. https://firbolg-cleric91357.blogpostie.com/50367789/a-secret-weapon-for-dnd-serpentblood