Walkthrough for the "Tribes of the East" expansion.

I apologize, BUT...! I can't complete the Necromancer mission. I have a pirated version with a poor Russian translation. And the objective... Well, I need to go through enchanted portals, but to do that, I have to conquer four blue castles. I've conquered the blue castles, but the red one has stopped teleporting. Each of the blue castles has a ritual site. I need to somehow place a second Necromancer at the site (or nearby) so that the first Necromancer can perform his ritual. It's a complete mess. How, please explain, because I can't seem to figure it out!