Here is the full list of all 32 Kingdom Under Fire: Circle of Doom achievements worth 1,000 gamerscore.
Finish the game with Leinhart.
Raise Marguerite's favor to 100%
Complete all of Leinhart's story quests.
Have a heartwarming talk with Bertrand.
Raise Marguerite's favor to 50%!
Complete all of Kendal's story quests.
Finish the game with Kendal.
Reach Level 80 with ALL characters.
Finish the game with Curian.
Complete all of Regnier's story quests.
Finish the game with Regnier.
Hunt down a Stone Golem.
Defeat Mutant Curian.
Complete all of Celine's story quests.
Watch all of the starting staff roll AND the ending staff roll credits!
Reach Level 120 with any character.
Synthesize the same piece of equipment 20 times.
Pick up all items dropped by a boss.
Hunt down Loki's head.
Finish the game with Celine.
Defeat Encablossa.
Synthesize the same piece of equipment 10 times.
Defeat the Balrog.
Reach Level 40 with any character.
Defeat the Ice Maiden.
Defeat Loki.
Defeat the Forest Guardian.
Successfully execute a 20 combo attack with a Bloodlust enhanced weapon!
Reach Level 10 with any character.
Learn an Ability.
Succeed in Item Synthesis.
Complete the tutorial.