The setting is the industrial world of the actively developing kingdom of Sentus. A new invention, crystal magic, is spreading across the planet with unprecedented speed, allowing maguses from now on to completely abandon the pre-casting of spells out loud. The era has changed. But what can two warlike relics of the past, which very soon will again manifest themselves in order to fight for the last time at the turn of the irretrievably gone old time, be able to oppose to this century of progress?