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Overall, the mod is excellent, but it has some flaws:
1. Heroes from the campaigns are not available in Multiplayer.
2. The appearance of the Dwarven buildings is mixed up: bears are on the arena and vice versa.
3. The Ifrit and the Overlord are mixed up.
4. Djinns are not creatures of the Academy.
But I was pleasantly surprised that NCF creatures are included, but for some reason, they only appear on the map and don't drop.
1. That's strange; I haven't played maps in a long time. Either this was already fixed, or each new map requires individual settings for the available campaign heroes.
2. It seems to be related to the rearrangement of bears and Vikings.
3. That's how it should be, as far as I know; they are only "mixed up" internally (or there may be conflicts with other mods). This was done so that Overlords summon Ifrits instead of Balrogs.
4. That's how it was intended: Ifrits are demonic, and Marids are neutral in terms of alignment; that's their feature. In the next version, all 3 Djinns will be neutral (with access from the Academy).
WGE uses the 5.5 engine, which fundamentally supports not only 24 hero classes but also NCF. However, NCF creatures don't drop on the map because, at the moment, NCF is not adapted for WGE (it doesn't support the class ideology adopted in WGE, + NCF creatures are not balanced, especially with the new mechanics).