Do you like #MageTheAscension, #MageTheAwakening, #VampiretheMasquerade, and #VampireTheRequiem? I've got a whole semi philosophical series reconciling the two different settings existing in the same world. Plus it's cool fiction.
https://www.ofgodsandgamemasters.com/blog/a-treatise-on-the-nature-of-reality-concerning-the-council-of-traditions-and-the-diamond-orders
Start here. #ttrpg