User blog comment:IGoBlue--/SPRING NX BONUS/@comment-4627767-20120502074101

You get like +20% nx, I think it depends on what card or payment you buy I think, so 50k NX cards, 20% of that I think for me is 8k nx because I get 40k NX from 50$ NX Cards, 10$ cards = 1600? and not too sure about 25$ cards.