Continue playing to unlock this secret achievement.
Use all mountable weapons.
Clear a scenario using either online play or the 2-player mode.
Purchase a weapon that costs over 10,000 gems.
Purchase a weapon using crystals.
Hold a banquet.
Successfully complete a mission.
Purchase a weapon.
Raise compatibility of a weapon to maximum.
Successfully perform a combo of 1000 or more.
Upgrade a weapon.
Obtain over 10,000 EXP in a single battle.
Use a True Triple Attack.
Achieve 1000 K.O.s.
Obtain all achievements.
Obtain every equippable item.
Listen to all the music.
Join battle over 100 times with any one officer.
Unlock all wallpaper.
Unlock all costumes.
Clear a battlefield created using Musou Battlefields for the first time.
Raise the bonds of one pair of officers to its maximum.
Clear a scenario in under 5 minutes.
Obtain weapons level 4 for all officers.
Unlock all officers for play.
Clear all scenarios.
