Cornelia li Britannia is the Second Princess of Britannia and one of the Empire's greatest heroes. She is known as the goddess of victory for her many conquests. In battle, Cornelia uses a specialized Gloucester.
After the death of Clovis, Cornelia assumes rule in Area 11. In her attempts to avenge the death of her brother, she faces Zero repeatedly. In one of these encounters, she allows Zero to pass a military line in order to attempt to save her younger sister, Euphemia, who Cornelia has always cherished.