Organic storytelling. Seeing a narrative play out that was not dictated start to finish by one author, but is also influenced by a degree of chaos/randomness; that being what the players do.
Related to this, as a consequence evil gods seem to have lost the ability to create life, or at least lifeforms that will remain compliant. And Gruumsh appears to have cleaned up his act and become chaotic neutral.
Mostly in my head. There’s so much that’s still subject to change that putting it in writing will probably leave me with things that I don’t want in a matter of days.