Your mission in this defense game is to take a role of great magician and try to defend the last standing human city. By killing monsters you gather mana to research new spells. When you level up, you chose a new spell to learn and later use it to more effectively combat the monsters. Use YOUR MOUSE to click on the battlefield to cast current active spell. Use 1-4 NUMBER KEYS to select active spell. Doubleclick LEFT MOUSE BUTTON on spell to move it from research to active spells. Good luck!