Every party member has four skill trees, and they can learn every skill from every tree.
So say: Dusty has two skill points. He can either use two of them to gain two sword skills (which would be cross cut, and two step slash). But if he wants to play it smart, and maybe increase his dexterity to critcal hit more, (which might be OP along with his last leadership skill: Critical Acclaim, but I'll see how it works out in playtest once its fully implemented) or maybe put one into "Swords", and one into leadership, so he knows Cross Cut, and Attaco which increases a party members damage, so he can help Maxwell do more damage.
Hopefully that makes sense, but I plan to balance things out like they did in Dragon Quest 8, where you had a limit to increasing your skill profiency until you reached a certain level, encouraging you to more wisely spend your points.
And that suggestion on side quests giving you skill points is a very good idea. I think maybe I'll make it so later skills cost more points, giving the player a reason to do side quests.
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