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