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