Upon arriving in Uthodurn, the social gathering Situated Umagorn Smeltborne, a blacksmith. Umagorn understood the sword they were being seeking to have fixed was Dwueth'var, the Star Razor. He tells them that he can take care of it, but He'll need iceflex, formed by a white dragon breathing on mythril. https://dnd-human35701.amoblog.com/d-and-d-tiefling-no-further-a-mystery-50000197