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