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