Here is the full list of all 33 Liege Dragon achievements.
Obtained the normal ending.
Obtained Alranne and Claire's ending.
Obtained Silky's ending.
Obtained Rugal's ending.
Upgraded weapons 100 times.
Obtained Louise's ending.
Obtained the happy ending.
Completed the monster guide.
Upgraded weapons 50 times.
Defeated 1,500 enemies.
Collected 200 treasure chests.
Cleared all subquests.
Confronted Abigore the Evil Dragon.
Discovered Ibriss Prince's true identity.
Dealt 30,000 max damage to enemies.
Dealt 10,000 max damage to enemies.
The Holy Dragon has retrieved its memory.
Dealt 5,000 max damage to enemies.
Collected 100 treasure chests.
Collected 50 monsters of the monster guide.
Discovered the true identity of the man with the black cape.
Walked 200,000 steps.
Defeated 500 enemies.
Collected 50 treasure chests.
Walked 100,000 steps.
Upgraded weapons 10 times.
Collected 10 monsters of the monster guide.
Defeated 100 enemies.
Walked 50,000 steps.
All characters joined the party.
First character joined the party.
Party members increased.
Watched the opening.