It should be possible in each case to only select a single one, and the areas generally only have a required number of characters of 2. THere are two rewards for the effort at the end: free outfits for V3 and SP3

thou and I, my friend, can, in the most flunkey world, make, each of us, one non-flunkey, one hero, if we like: that will be two heroes to begin with. (Carlyle)