Here is the full list of all 12 Fantasia Medieval achievements.
Reach the first options.
Listen to the world history.
Die in the battle against the wolves.
Make your team get out clean from the battle.
Steal!
Finish the game.
Maximum affection with the Elf.
Maximum affection with the Barbarian.
Maximum affection with the Necromancer.
Get a perfect score!
Get your team to hate you.
Finish the game in less than 200 seconds.