Every RPG has a whole host of systems running behind the scenes, or right up front where you get to see them in action, and Grand Kingdom is no different. But in every game, it's also true that certain systems matter more than others - at least when you're first starting out. As you become a pro, you'll start to care about every little thing, and min-maxing your team, but for now, here's our picks for the three systems you should really care about in Grand Kingdom.