Age of Empires 2 HD custom campaign: Tylia-Chapter IV(part 1)

So, after the general Varus escape from the previous chapter some of his troops and of general Igna met on the battlefield outside. In this duel general Varus cowardly ordered his men to kill Igna and our storyline starts from there. Our green allies will help us with fighting our enemy, but we mustn't cross the green flags line because he can turn against us. Enemy general is hiding in the western part of the map and our task is to destroy his fortress. So, let's start!