Louis of Bourbon, Prince of Condé, brother of the Lieutenant-General and the suspected architect of the Amboise conspiracy, had already prepared for war and, taking Wassy as the pretext, assumed the role of a protector of Protestantism and began to seize and garrison strategic towns along the Loire Valley. In return, the monarchy revoked the concessions given to the Huguenots. After the military leaders of both sides were either killed or captured in battles at Rouen, Dreux, and Orléans, the regent mediated a truce and issued the Edict of Amboise (1563).