A dark action role-playing game set in a world where the high-tech past is mixed with the medieval present. Events take place in the city of Akratya, destroyed by the crusade. The main character is a warrior created as part of experiments to gain immortality. One of the features of the game is the ability to absorb the energy of fallen soldiers, gaining their powers and abilities. Players can form a squad of four fighters and freely switch between them during battle.