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