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