Here is the full list of all 14 Dark Quest 2 achievements.
Unlock the archer
Unlock the dark monk
Loot 1000 gold
Unlock the holy knight
Learn 3 new abilities & skills
Unlock the dwarf
Play a multiplayer game with at least 1 friend.
Roll the skull of fate
Kill your first enemy
Defeat the Evil Sorcerer
Amass a fortune of 100.000 gold pieces
Complete the game in hardcore mode
Acquire the Talisman
Kill the executioner