The Ring of Fury
Tinya, Ring of Druin's Folk, also known as the Ring of Fury, had been given to Balli Silvereye by disguised ambassadors of Sauron. Balli who initially did not know the ring came from Sauron used it to increase the riches of his people and later passed it on to his heirs. The ring was believed to have been devoured by Thostir the Dragon who slew Balli's heir as he defended the gates of Nargubraz.