Amazing epic dark fantasy books with a larger emphasis on politics – specifically, those of the schizo variety

I want some extremely poignant, sweeping, grand, epic, and mature dark fantasy series that has an emphasis on politics. I'm not referring to mere court drama or nobleman political intrigue. I want stuff that goes in depth about things like war, famine, genocide, ethnic cleansing, etc. and beyond that, also the "Schizo politics" I'm referring [...]