Build every character up to Level 9.
Complete the special mission.
Earn A-ranking in every mission of every character.
Complete all of the mystery character's missions.
Complete all of Tyurru's missions.
Complete all of Klarrann's missions.
Complete all of Dwingvatt's missions.
Complete all of Aspharr's missions.
Complete all of Myifee's missions.
Complete all of Inphyy's missions.