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