У вашего броузера проблема в совместимости с HTML5
Map: Wayfarer (E). Battle No. 3
Against Main Academy Hero. Second Great Battle against AI.
Comments: The hero's army is too strong to defeat him with no losses. The breaking point of the battle is Sharpshooter's bow, "Air Shield", "Blind", "Resurrection" spells and double mana of my hero.