I kinda don't like how everyone is putting classes & guilds to cities only. Remember we could have hidden lairs/areas and such that introduce hidden guilds/classes/jobs(this is why im hoping through quest progression hidden classes could be found. Unlock-able only by side quest progression/fame level?
Having it only city based would be predictable/easy, and nothing to work towards. After arcanist & maybe musketeer I hope some of the other classes are hidden through quest progression.
