After the great mage was expelled from the kingdom, he decided to take revenge on his king and raised the undead from the graves to attack the fortress. You, as a true knight, will defend your king and try to stop the troll invasion. They are quite dangerous so you need to use magic that can hit evil. Use a powerful beam as soon as the enemy approaches the distance of the shot. Do not let them to the castle, if they get it will cause serious damage to you and the walls of the fortress. For the destruction of enemies get bonuses and other rewards to help in the battle with the enemies of the game Knight Squad: Troll-A-Lol.