Ok.. here is your 1 negative with using xbows. If you are keeping up with hits and misses you would start with 0. Then, lets say you shoot and miss with an xbow That would be minus 1. So... the equation is as follows....

0-1=-1 There you go, I did it!!! There is your negative 1 about crossbows....












yes, i have entirely to much time on my hands[8D]