“ All estates, manors, castles, fortresses, and palaces are required by the King's Law to be converted into civilian shelters in the event of national emergency such as a disaster or attack. This includes the Royal Palaces. It is an act of treason to fail to comply such an emergency order.”
“ There is a land far to the east that is a great, desolate, near-empty wasteland home only to barbarians, ghosts and monsters. Many nations launche expeditions to this land, seeking to find the rumored-at treasures and riches beyond it's outer fringe.”
“ A casual remark by one of the party about something met on a previous adventure leads to a summons to and grilling by the Mages' Guild (or equivalent), probably resulting in an expedition back to that area to recover the things for study by the Guild. The party's presence will be 'requested' for this expedition.”