That's one thing 4E failed to do that all other editions had done, and that's to have at least 1 signature setting for the edition. Basic had Mystara, 1E had Greyhawk, Forgotten Realms, Ravenloft, and Dragonlance. 2E had Planescape, Spelljammer, Dark Sun, and Birthright. 3E (well, 3.5) had...