Maple Story Page Messed Up?

Yes, you have used these points in power strike, there is nothing wrong with that. 1st job skill points can only be used in 1st job skills. However, 2nd job skill points can be used in 2nd and 1st job skills. Yes, you have wasted 3 SP points. the 3 SP points are really important in the 2nd and third job advancement. However, putting the points into power strike might not have been such a bad choice, you might not get any good attack skills for quite a few levels