With the approach of the artifact revamp, what do you intend to do with moods? It seems to me that the fey, possessed, fell, and macabre moods are in the same camp as the good/evil biomes, being more placeholders than final features (though you could say that for everything in the game, really). Would you replace the moods with a more generalized, procedural framework that accounts in some way for power sources or actual deities? On a sort-of tangentially related note, would you have artifacts carry some of their inspiration's properties or theme, like a sword divinely inspired by a death god withering plants and binding the undead to the wielder's will?
Also, the impending fiddling with inheritance and family groups brought to mind an interesting question: do you intend to redo the naming system to respect things like family names, clan names, places of birth, patro/matronyms, or notable deeds? What about the naming of non-sapient creatures by civilizations, whose lineages aren't really paid attention to as much? It always seemed strange that creatures like giant dingoes were given the same extensive names as dwarves that were just as random and hard to remember, making for rather underwhelming villains.