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