The Anunnaki are a secret society in the Cosmic Era
And Cain went out from the presence of the LORD, and dwelt in the land of Nod, on the east of Eden.
A foundation 'Secret' of the Cosmic Era
Melpomene's Espers? Ha! Let me know how that goes, and after that let me know when you find Atlantis and Jimmy Hoffa!
War of the Roses as a campaign plot. Two noble lines converge somehow, each line thinks it has the rightful claim to the throne. Deciding this long ago was handled by some divine intervention, requiring both houses to come together at some point. They aren't so willing to get together this time. Civil war, or a new king?