I miss the days of proximity xp. Where you had to be near people dying in order to get xp or gold. I remember flocks of peasants following around the top players, like Goretooth at the time, trying to level up when they go on one of their massive killstreak rampages.
Gameplay was much more enjoyable with this system, but it was changed because of archers complaining they were always too far from combat to get xp.