In TA 2799, Glóin was known to have fought in the Battle of Azanulbizar, the last battle of the War of the Dwarves and Orcs. In TA 2941, Glóin and his brother Óin, along with his cousins Dwalin and Balin, were among the Dwarves accompanying Thorin and Company during their quest to the Lonely Mountain to recapture it from the Dragon Smaug. He was noted for his skills with a tinderbox, and, along with his brother Óin, was usually the one told to get a fire started whenever the Dwarves made camp. Gloin also fought in the Battle of the Five Armies. After the battle, he settled in the Lonely Mountain.