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