The demon army prepares for the final battle to annihilate the elves. Fortimus's secret weapon, Gloria, is deployed in large numbers, turning the battlefield into hell... Hmph, no way! I also deploy my secret weapon, the combat unit, but Fortimus's attacks don't end here...?! Meanwhile, Shun and his allies, who stand on the side of the elves, reunite with friends and are pressured to make a significant decision. The past tragedy that led to the collapse of the world and the truth behind this twisted skill system will be revealed!