Did anyone here ever play Kingdom of Loathing? Once you "beat the game" (finish the final quest), you can "ascend" your character, starting again at level 1 but with a single skill from your last play-through. Perhaps offer a similar incentive to high-level players to pay a large, fixed amount, starting again at level 1, with some kind of permanent, No Drop freebie (nothing too powerful, because it would be a special kind of rage being kicked out of a group at level 10 because some guy with his Ascended Sword of Casual Dismemberment wanted to join).
It's not "Classic," but allowing people to experience low-level content again is almost as good, right? Or maybe I'm a stupid newbie with a low post count, I don't know.
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