Nexen the Unifier was the founder of the kingdom of Nexaria, which was named after him. He was born in the city that would later become Nexaria, starting its reputation as the birthplace of kings. Around 200 AR, Nexen established the kingdom of Nexaria and conquered all of southern Aevira's remaining human tribes under his rule.
He created the prison of Aevira's End as a place of exile for deposed rulers and disgraced courtiers.