Tower

Towers are the main thing keeping one team from destroying their opponent's ancient and winning the game. Each side of the map has three towers in each of the three lanes, plus two guarding each ancient, for 11 towers total per side. Each tower is invulnerable to all damage until the tower in front of it is destroyed, and the two towers guarding the ancient are invulnerable until one of the inner towers has been destroyed. Therefore at absolute minimum, 5 towers must be destroyed for the game to be won.

Towers get more powerful as their base is approached, as follows:

todo: explain the anti-backdoor system