They used to have something like this in the form of the "Heroic" events. These were expanded versions of the prologue chapters where the only characters you could use were from the boosted list.
The main complaint people had was that they were quite hostile to newer players with more limited rosters: they might even have trouble forming a team of three characters. And this was back when there were less than half as many characters in the game...
jamesh said: They used to have something like this in the form of the "Heroic" events. These were expanded versions of the prologue chapters where the only characters you could use were from the boosted list.The main complaint people had was that they were quite hostile to newer players with more limited rosters: they might even have trouble forming a team of three characters. And this was back when there were less than half as many characters in the game...