The Sad Tale of the Brothers Grossbart is definitely one, as well as a bunch of the "big epics" like the Malazan empire / The annals of the Black Company?
It may be less common than "high castles", but that is either because of opportunity cost (non-special characters do not survive well this kind of world, so their stories are either short or picaresque) or feature creep if they start from the bottom: if you want an uplifting tale, upwards mobility is needed and at some point only the king is up...
It may be less common than "high castles", but that is either because of opportunity cost (non-special characters do not survive well this kind of world, so their stories are either short or picaresque) or feature creep if they start from the bottom: if you want an uplifting tale, upwards mobility is needed and at some point only the king is up...