Here is the full list of all 48 Hero of the Kingdom II achievements. It takes around 6-8 hours to unlock all of the achievements on Windows.
Have 300 fame.
Destroy the Demon.
Save your sister.
Pick 25 locks.
Get the Crown of Power.
Find the ancient gold armor.
Find 12 treasures.
Kill 15 snakes.
Find 40 crabs.
Find 180 eggs.
Hunt down 25 wild animals.
Find 60 lost crates and barrels.
Catch 160 fish.
Heal seven people.
Find 25 pearls.
Find 30 rainbow-tinted shells.
Acquire Percy’s compass.
Find 10 pearls.
Acquire five areas of knowledge.
Gather 40 baskets of berries.
Find 200 mushrooms.
Help three ghosts.
Meet your true love.
Build your own ship.
Give 12 charitable gifts.
Clear the city of zombies.
Pick 10 locks.
Kill 15 spiders.
Learn five skills.
Gather 25 sacks of herbs.
Catch 60 fish.
Find 15 crabs.
Hunt down 10 wild animals.
Have 100 strength.
Own 3,000 gold coins.
Gather 10 sacks of herbs.
Own 1,000 gold coins.
Find 70 eggs.
Have 100 fame.
Gather 15 baskets of berries.
Find 25 lost crates and barrels.
Enter the city.
Find 80 mushrooms.
Help the miller get back his lost grain.
Learn two skills.
Acquire two areas of knowledge.
Help your sister make a necklace.
Help any fisherman in the village.