Double magic points.

Well, now everything is definitely clear. You had the Dungeon town with the Mana Vortex built. Download FizMiG and check it out more often. This isn't the latest version, but it doesn't contain a lot of optional material that was added later and caused the guide to become much larger. And you can always find the latest version in the official VKontakte group: https://vk.com/fizmig However, you should keep in mind that several new features were added to the game later, and they are not present in "The Restoration of Erathia." Also, you won't be able to play maps from "Armageddon's Blade" and "The Shadow of Death."