“ While it is within your purview to write long-spanning histories of your world, it is largely unnecessary. If you are running an RPG, do this instead: make a bullet point list of important events that affect the world today, and mysteries that people still don't know. Let these fuel your adventures.”
“ A fantasy version of the Klan, where it's 'Grand Wizard' really is a mage, and a dangerous one at that. Instead of hating blacks most of all, they hate non humans most of all (although they are no friends of black people either and certainly don't let them join.)”
“ A basin type hole in the middle of the plains. Once every so many years the rains come very hard and flood this place. Maybe that is where the tribes congregate for their tribal meetings.”