In 842, the Militesi Empire's unprovoked invasion of the Dominion of Rubrum marked the start of a cataclysmic war. Imperial warships darkened the skies, attacking the unsuspecting dominion under the White Tiger's banner. Amidst the chaos, the Vermilion Bird rose, empowering her disciples with magic and mighty eidolons to repel the technologically superior aggressors. Now, the fate of the world and its four crystals lies in the hands of fourteen courageous young warriors.