And if you do, you might find some Scrying beacons popping up in your dungeon. =P Though the next epic game I run, the BBEG will have a Divination specialized cleric by his side, doing nothing but forewarn him of problems. Of course, I am far from the first to think of that; the Uber-villain of City of Villains, Lord Arachnos, uses a time-machine to peer into the possible futures and see what route he needs to take to dominate the world.