Here is the full list of all 38 Hero of the Kingdom achievements. It takes around 4-5 hours to unlock all of the achievements on Windows.
Find 12 pearls.
Pick 45 herbs.
Have 350 fame.
Find 12 treasures.
Help two ghosts.
Heal five people.
Find father.
Learn an expert skill.
Build or repair 10 structures.
Hunt down 25 wild animals.
Find 30 lost crates and barrels.
Catch 80 fish.
Own 500 gold coins.
Find 25 crayfish.
Find 150 mushrooms.
Become a soldier.
Have 100 fame.
Get a boat.
Learn an advanced skill.
Finish the water mill.
Learn three skills.
Get a weapon.
Make a barter.
Leave the home farm.
Saw 10 pieces of wood.
Get working tools.
Own 5,000 gold coins.
Rest 50 times in a camp.
Fight 12 battles.
Gather 40 sacks of night flowers.
Make 25 sun solutions.
Find 300 mushrooms.
Find 140 eggs.
Hunt down 65 wild animals.
Find 60 lost crates and barrels.
Catch 160 fish.
Gather 15 barrels of algae.
Destroy the Dark Lord.