The exotic princess has been kidnapped by an evil wizard and only you can rescue her. Conquer the enemy's territories with your army of soldiers in many strategic battles. Learn spells and improve skills and even conquer giant monsters and aliens in your noble quests. The battle is on!
Drop rocks on it from the mine in the middle. Use spells - hammer. Send in loads of troops as some get through. Assuming you are referring to the Alien - head plus four legs.