Full list of all 25 Enchanted Arms achievements worth 1,000 gamerscore. It takes around 25-30 hours to unlock all of the achievements on Xbox 360.
Defeat Poseidon at the Inferno Temple.
Defeat Cerberus at the Magic Lab.
Defeat Prof. Kou at the Magic Lab.
Defeat Ooka at the London Castle.
Defeat Ooka in the Abandoned Mine.
Defeat Giggling Man in the Abandoned Mine.
Defeat Minotaur in the Abandoned Mine.
Defeat Aqua Jelly at Ragau Coast Wharf.
Defeat Amazonia at Military Path.
Defeat Queen of Ice in the Sealed Ward.
Defeat Fire Golem in the Sealed Ward.
Battle against Yuki at the betting Golem Battle.
Defeat Emperor of Fire at the Inferno Temple.
Defeat Sphinx in the White Flower Field.
Defeat Oboro at the Ninja Hideout.
Defeat Sayaka in the Iwato Village.
Defeat Oboro in the Iwato Village.
Defeat Tokimune Bodygurads at the Kyoto Castle.
Defeat Lord of Earth at the Ascetic Court.
Defeat Odin at the Sage's Tower.
Defeat Siren at the Sage's Tower.
Defeat Mystery Man in the Gravekeep Holm.
Defeat Toya at the Ice Castle.
Defeat Queen of Ice at the Ice Castle.
Happy Ending