Here is the full list of all 28 Elven Legend 2: The Bewitched Tree achievements.
Repair 300 buildings
Collect 2000 crystals
Banish 75 monsters
Improve 250 buildings
Complete the game for all the stars
Collect 1500 food
Use the bonuses 200 times
Banish 50 monsters
Collect 2000 wood
Collect 800 water
Use the bonuses 150 times
Collect 1000 crystals
Complete the game
Banish 25 monsters
Collect 700 food
Collect 1000 wood
Collect 400 water
Collect 500 crystals
Go through more than half of the game
Use the bonuses 50 times
Collect 300 food
Collect 200 wood
Start the game
Collect 1800 water
Repair 500 buildings
Repair 750 buildings
Improve 500 buildings
Improve 700 buildings