It is with a small number of troops that the Rubrum champions are entrusted with their most perilous mission: the assassination of Marshal Cid Aulstyne, who was responsible for Militia's aggressive policy! Up to the fortress of the tyrant, the path is expected to be difficult... Kurasame is facing Glenn and Morse, the two fallen heroes in turn. But once at the destination, the warrior with the ice sword will have to fight a fight quite different from the one he imagined at the beginning...