The world of Arcanis is under attack from another world. Portals are opening everywhere, from which a mechanized army of invaders emerges. The Hall of Archimages has called upon all the best graduates of magical academies to lead various combat units and protect the planet.

The player begins the playthrough with three squads. After assessing the strengths and weaknesses of his army and the robot armies, the player chooses a mission and begins the first battle.

Combat takes place automatically after the mission starts. At this time the damage and resistance of each side is calculated after taking into account the strengths and weaknesses of the cards, card parameters, buffs and debuffs. Each side has a common pool of HP that takes damage in real time.

By fending off invaders, the player receives rewards from the Hall of Archimages and valuable resources from the battlefield, for which he prepares new units. The player also gains new ranks, allowing him to lead more squads into battle. He takes on increasingly difficult missions....