Full list of all 22 Eternal Sonata achievements worth 1,000 gamerscore. It takes around 60-80 hours to unlock all of the achievements on Xbox 360.
Final Chapter Heaven's Mirror has been completed with all characters remaining.
All the items related to EZI have been collected.
All the score pieces scattered throughout the world have been collected.
Unison has been completed and Claves has been resurrected.
Rondo has been defeated in Unison.
Party Level 6 can now be selected.
The Hero's Gate has been opened.
The hidden treasure in the secret room on the top floor of Xylophone Tower has been acquired.
The soul of Chord, the first mineral powder test subject, has been released.
The mystery behind the the pirates' treasure has been solved and the treasure has been acquired.
Final Chapter Heaven's Mirror has been completed.
Chapter 7 Heroic has been completed.
Party Level 5 can now be selected.
Chapter 6 Tristesse has been completed.
Chapter 5 Nocturne has been completed.
Party Level 4 can now be selected.
Chapter 4 Grande Valse Brilliante has been completed.
Chapter 3 Fantaisie-Impromptu has been completed.
Chapter 2 Revolution has been completed.
Party Level 3 can now be selected.
Chapter 1 Raindrops has been completed.
Party Level 2 can now be selected.