[Nightmare]

1/150 of the cost of bronze
1/250 of the cost of silver
1/350 of the cost of gold
etc.

You cannot buy or sell NSP.

Oh okay, thanks, so when I have 150 NSP I can buy myself an upgrade with them? What does "NSP" stand for by the way?

NewPoints, I don't know what the S is for.  

You should read the stuff here: https://sinister.ly/misc.php?action=help
And you must read the rules if you haven't yet.

Thanks a lot, my guess would be that the 'S' stands for Sinister? I have read the rules already, thanks though!