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