Byleth announced his marriage to Catherine shortly after being named archbishop of the Church of Seiros. While the archbishop focused on the rebuilding effort, Catherine worked as his bodyguard, and when the situation called for military force, she mobilized the troops and went to battle. Under her watchful eye, Fodlan entered a new era of peace. A common saying among the people was that the archbishop had two weapons: the Sword of the Creator, and his fearsome wife.