Appendix A:Back To the Dungeon!
One of the goals of 3rd Edition is to take the D&D game “back to the dungeon.” Dungeons facilitate game play. Being underground, dun-geons set apart the “adventure” from the rest of the world in a clean way. Of course, not all dungeons must be underground. “Dungeon” could mean any self-contained environment. This includes castles, ancient ruins, outer-planar strongholds, and other locales. One of the virtues of
the “dungeon” is that it can be transplanted easily into any D&D campaign with minimal effort