Dain Ironfoot is lord of the Iron Hills. He came to the aid of Thorin Oakenshield during the Battle of the Five Armies at the end of The Hobbit. After Thorin's death, he became the King under the Mountain and dwelt in Erebor, meaning that his older self is also a hero for the Erebor faction. He is the for the Iron Hills Faction, being the replacement for Durin which can no longer be due to the 4.4 change in Ring Mechanics.