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