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