Originally Posted by Rep
Nope, I'm a level 31 and have never purchased anything with MSP. I rarely use anything other than the Warrior so I mostly focus on leveling him. I would suggest playing the Special Challenge that you can find on the Main Menu for easy points and items. That's all I used to play and I got to level 26 very fast.
Something's wrong with the special challenge.. I played through that dozens of times and only got an item one time. Usually I get 500 or 1500 stars.