Potential

Potential is a primary mechanics determining the power of a witch or a wizard. The higher it is, the more spells one can learn and achieve. Maximum amount of potential a witch or a wizard can achieve is 3.
There are only two known ways to raise one's potential:
* Signing to the Book of The Beast, however, this can only raise your potential to level one.
* Waiting for midnight to occur. Every midnight there is a 20% chance of your potential raising, if it's not on max level.