Level Up!

So, an idea for a leveling system came to me in a dream, so I'm writing it down here.

As you gain EXP, you can spend it to progress along one of 6 axes:

-Body: Increases Strength and HP.
-Mind: Increases Magic and MP.
-Soul: Increases Luck and Potential, which unlocks new abilities on other axes.
-Offense: Abilities that involve damaging enemies above all else.
-Defense: Abilities that involve helping allies.
-Tactics: Abilities that involve hindering foes and empowering allies.

As you progress along these axes, you'll unlock new abilities and improve abilities you've already learned. By increasing your Soul, you'll increase Potential, and if your Potential is high enough you'll be able to learn special abilities on the other axes.

Oh, and the last three axes aren't set in stone - they may be replaced with practically anything, as long as they remain distinct from each other.