anywyayss newborn generals/fighters/taveran/younglings aside, i would say you cannot get around one of the blight commanders being the key .... agelmar jaggad or bashere, jaggad seems to be the one that symbolizes a wall against the blights attempts to encroach to the other lands, while bashere...
some might argue Rand is... or rather the Dragon... etc.... but that depends on thier view whether the dragon is a leader or a symbolic fighter... although generaly its both to some degree.. .dependso n htep erson etc
i wonder who is gona play Agelmar in the films... anyways blah.. .Agelmar is a national leader, we have not seen him in a fight, but hes a poet, hes got a huge army combined force, although he has seemingly abandoned his country their is the off chance his land is actually still holding off the...