The Erebonia Empire is on the brink of full-scale war! Shortly after the end of Trails of Cold Steel III, the heroes of Class VII find themselves facing the full might of the Empire in an attempt to stop its total dominance. Meanwhile, Civil War hero and Class VIIs supervisor, Rean Schwarzer, has gone missing. Now Class VIIs students, both old and new, must unite with heroes from across the continent to create the only chance for the world to be spared from total destruction.

The Ultimate Class Reunion - With the largest character roster in the history of the series, heroes from all over the world are trying to join you! Class VIIs heroes join forces with Crossbells Special Support Section and even Liberls heroes.

Most Refined Combat - New and returning systems accompany the already refined combat from The Legend of Heroes series, including the ability to summon giant mechs for devastating attacks, engage in Auto Battle for more purposeful combat, and use Lost Arts, the most powerful Orbal -the magic that can turn the tide of battle.

Occupations for the War Weary - In between epic battles, take it easy with a host of mini-games including returning favorites like Vantage Master, fishing and puzzle games, as well as all new occupations like Poker, Blackjack and Horror Coaster.