Siege of Valeria: Campaign ExpansionThe campaign expansion to Siege of Valeria introduces rules for a multi game series that will test your skill at defeating the troops and siege engines arrayed against you. A powerful Boss and Elite Troops will join each battle under an enemy Commander while penalties and bonuses follow you from one game to the next. A Duke is there to assist you, but it is your own skills that will lead the campaign to glory. . . or to failure. Bosses One Boss card