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