Worshipper – “Conquest” [Campaign 2, Mission 3]

I didn't have any problems with this mission. First, after the battle with Gilraen or whatever his name was, I captured one of the elven cities. Then, I stumbled upon a special tower; I don't know what it's called, but it showed me some locations, including this gathering of druids. Along the way, I bought another hero, who went on to capture another minor elven city. I think there are only three of these cities with a main one. I don't remember the exact number. Agrael killed the druids, the cities were captured, and then Gilraen appeared again with a new army. He came out of the city and started capturing various mines. Meanwhile, I gathered resources from our demonic city and went after Gilraen. After defeating him, I captured the main city without much difficulty. I think that's exactly how I did it.