Dûrgrimst Ragni Hefthyn was one of the dwarf clans. The name translated means "the river guards". As their name implies, they guard the border of the dwarven realm along the Âz Ragni. They are skilled river mariners. They were the dwarf clan that housed Orik, Arya, Eragon and Saphira during their stay in Tarnag. Their traditional clan seat was located at Tarnag.