Here is the full list of all 22 Choice of Life: Middle Ages 2 achievements.
Complete Chapter 3 with any of the endings
Find the best queen
Complete chapter 2 and win the battle
Get the Sword of the Three Kingdoms, Explosive Spores, and Fencing skill
Disenchant the Serpentine
Complete chapter 1
Get one title
Get half of the titles
Get all the titles
Meet the Leshy
Find all the allies
Get all the skills in one playthrough (except scar)
Complete chapter 2 and lose the battle
Complete the game for all endings
Conquer the South
Feel the taste of the marriage
Abdicate the throne
Feel the power of family ties
Become a king who really didn't change a thing
Miss all the opportunities to return to your castle
Lose the campaign
Make everyone hate you