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