Full list of all 42 Lost Odyssey achievements worth 1,100 gamerscore. It takes around 60-80 hours to unlock all of the achievements in the base game.
The base game contains 36 achievements worth 1,000 Gamerscore, and there is 1 DLC pack containing 6 achievements worth 100 Gamerscore.
You have completed Disc 4.
Kaim mastered all skills.
Ming mastered all skills.
Seth mastered all skills.
Sarah mastered all skills.
Met the secret requirement of the Backyard last challenger and won.
Met the secret requirement of the Backyard Super Heavy Class battle set and won.
Met the secret requirement of the Backyard Heavy Class battle set and won.
Met the secret requirement of the Backyard Middle Class battle set and won.
Met the secret requirement of the Light Class battle set and won.
Obtained all of the Treasure Box items in the field.
All spells have been obtained.
You defeated the Ancient Spirit Magician Fu at the Temple of Enlightenment.
Mack mastered all available skills.
Cooke mastered all available skills.
Defeated 1000 enemies in battle.
Jansen mastered all available skills.
Sed mastered all available skills.
Visited all the fields in the world.
You defeated Blue Dragon at the Snowfields of the Northernmost Land.
You defeated Cave Worm at the Forgotten Cave.
Deactivated all Royal Seals and defeated Golden Knight.
You defeated Holy Beast at Numara Atoll.
You defeated King Kelolon at Kelolon Village
Viewed all the episodes from A Thousand Years of Dreams.
You defeated Persona at the Old Sorceress' Mansion.
Inflicted a total of more than 1,000,000 damage points.
Achieved Perfect a total of 500 times in battle.
Tolten mastered all available skills.
You have completed Disc 3.
You have completed Disc 2.
You have completed Disc 1.
Achieved Perfect three consecutive times in battle.
Learned a skill by using Skill Link.
Unlocked the first episode from A Thousand Years of Dreams.
Assembled a ring using Ring Assembly.
Defeated Killalon in Professor K's Dungeon.
Reached Conference Area 25B in Professor K's Dungeon.
Reached Conference Area 20B in Professor K's Dungeon.
Reached Conference Area 15B in Professor K's Dungeon.
Reached Conference Area 10B in Professor K's Dungeon.
Reached Conference Area 5B in Professor K's Dungeon.