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.
Heal five people.
Build or repair 10 structures.
Find father.
Find 150 mushrooms.
Learn an expert skill.
Own 500 gold coins.
Get a boat.
Become a soldier.
Learn an advanced skill.
Have 100 fame.
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.
Have 350 fame.
Own 5,000 gold coins.
Rest 50 times in a camp.
Fight 12 battles.
Pick 45 herbs.
Gather 40 sacks of night flowers.
Make 25 sun solutions.
Find 300 mushrooms.
Find 140 eggs.
Hunt down 25 wild animals.
Hunt down 65 wild animals.
Find 30 lost crates and barrels.
Find 60 lost crates and barrels.
Catch 80 fish.
Catch 160 fish.
Find 25 crayfish.
Find 12 pearls.
Gather 15 barrels of algae.
Find 12 treasures.
Help two ghosts.
Destroy the Dark Lord.