A shaft of golden solid light; a powerful artifact of all that is good and holy. This staff is the bane of evil and the boon of justice.
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?