I'm not really a fan of how they implemented learning blue magic honestly. A system that is x% to learn a skill you see per time you see it makes very little sense. The least they could have done/ should do in the future is have a counter that marks every time you see a blue magic you haven't had learned yet, and you fail to learn in that battle, the counter goes up one. That counter could be added to the x% so eventually you will hit 100% chance to learn it (after many many battles). This counter could just be reset when you learn a new blue magic skill back to 0.


This makes a lot more sense when you think of learning how to do something as well. You keep seeing the same thing done, and you have a greater chance to know how to do it each time you see it.