Full list of all 14 Abyss Odyssey achievements worth 400 gamerscore. It takes around 15-20 hours to unlock all of the achievements on Xbox 360.
Capture a level 40 enemy.
Equip the Pincoya with 3 fully upgraded special attacks.
Equip the Ghost Monk with 3 fully upgraded special attacks.
Capture a level 25 enemy.
Defeat Paganini, the Demon Violinist.
Defeat the Living Creature.
Equip Katrien with 3 fully upgraded special attacks.
Unlock the Pincoya.
Defeat the Warlock.
Uncover the Warlock's secret.
Defeat Verbum Dei.
Capture a level 10 enemy.
Finish the prologue.
Defeat the shopkeeper.