The Empire of Fantasy, unlike Gaul, can be divided, very roughly, into two parts, based on where it is set. On one side there is fantasy that focuses and is set on Earth. This is contemporary fantasy, with urban fantasy being the dominant form and flavor of that particular fantasy. From Seanan McGuire to Jim Butcher, it is a familiar and extremely popular half of fantasy, even if it is not quite as predominant as it once was.
On the other side, there is secondary world fantasy, which comes in sizes, scales, and flavors from sword and sorcery, to low fantasy to city-state fantasy, and all the way to epic fantasy that spans kingdoms, continents, and worlds. Secondary world fantasy, whether in the Tolkien, Jordan, Jemisin, Martin, or Elliott tradition, comes in a multitude of settings and subtypes. Recent developments, from grimdark to the increased use of settings and cultural inspirations far beyond Medieval Europe have made secondary world fantasy a hotbed of experimentation.
Portal fantasies bridges these two sides of fantasy, and is where Edward Lazellari’s Guardians of Aandor, concluding with Blood of Ten Kings, sits.