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?
at a place were magic gathers, for what ever reason, the trees of this place produce fruit that is filled with magic energies . these fruits when eaten cause different effects. much like the potion a wizard makes.