Here is the full list of all 22 Elmarion: the Lost Temple achievements.
Kill 100 enemies!
Kill 1000 enemies
Kill 10000 enemies
Collect 1000 gold
Collect 10000 gold
Get 1000 final points in the end of the game
Get 10000 final points in the end of the game
Kill Butcher!
Kill Crufilus!
Kill Lord Derey
Kill big Orge!
Kill Spider Queen
Raise 100 skeletons
Summon 100 Ents
Feed the rats food
Poison the rats with poison
Kill 10 enemies with one hit of melee weapon
Kill 5 enemies with one bow shot
Fall from a height and not crash 10 times
Kill 25 enemies with one fireball shot
Heal friends 500 times with the heal ability
Kill 25 enemies with one icenova