Adjust some stuff in preparation for a future update:
Made level ups more expensive at the start.
Every wave's enemies is slightly more scaled up.
Bosses now deal more damage and are generally more aggressive (good luck everybody else!).
Shape Magic now does small amount of Confusion buildup as well.
Mintspear Tome does -20% damage, but now deals Mintflame buildup as well.
Fixed a few more typos.