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