The castle of your dreams.

I can't just ignore Feanor's post – in Heroes III, they don't just use European mythology; they also incorporate Arabian, Indian, and elements from D&D. And to create a good, fitting new city, it needs to integrate into the overall fantasy world of Heroes and have some distinctive feature. These features can be a pseudo-culture (Erathian Castle), a style (Citadel - a barbarian style), or a location (Fortress - a swamp castle). And before saying that you can't create an Aztec or any other type of castle, first look at the section where such a castle and its creatures are already described and offer constructive criticism.