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