The Black Eagles. The Blue Lions. The Golden Deer. Three houses that are part of the Officers Academy, an elite academy where students learn to use magic, weapons and special skills. As a teacher, the player must choose one of these houses to lead the students of that house in grid-based life-and-death battles. Each house houses many students you can meet and train, and each student has their own personality and skills. There is also a lot of interaction between the students. This makes their mutual bond stronger and they can better support each other on the battlefield.