Here is the full list of all 39 The DioField Chronicle achievements.
Complete the game.
Complete chapter six.
Recruit Donovar, Chappleman, and Zoruaq.
Acquire 1,000,000 guld.
Acquire 100 bonus rewards from missions.
Complete chapter five.
Defeat a Skeletal Dragon.
Defeat an Ouroboros.
Acquire 25 Blue Fox badges.
Use the Battle Log.
Complete chapter four.
Defeat a Coeurl.
Raise a character's level to 30.
Raise a character's level to 50.
Complete chapter three.
Defeat 500 enemies.
Acquire 50 bonus rewards from missions.
Defeat a Salamander.
Develop a weapon.
Complete chapter two.
Deal 1,500 or more damage with one attack.
Revive an incapacitated ally.
Unlock 4 Engravings for any Magilumic Orb.
Conduct Magilumic Orb research.
Complete chapter one.
Acquire 10 bonus rewards from missions.
Complete a Character Quest.
Defeat a Gigas.
Defeat 100 enemies.
Complete a Sub Quest.
Defeat 5 or more enemies at once.
Acquire 7 skills for any unit type.
Acquire a skill on the Skill Tree.
Acquire an ability.
Collect 15 types of weapon in a category.
Acquire a treasure chest.
Purchase a weapon.
Purchase an accessory.
Spend 100,000 guld.