Game description; heroes set in both sides of the road (fighters or Master), to prevent the enemy passed through a life of each by 1, to 0 on Game Over. Heroes will have built up some experience, you can upgrade the hero will become red, click to enter the upgrade menu, can be upgraded such as the attacks, and attacks on the scope of a variety of elements such as elements of the attack. Because the front of the hero is bound to get more experience, and experience will continue to seize after the maximum experience of the hero lead to the back of the upgrade, how to rationally arrange the sequence of the hero is a difficult game.