Maplestory Myths - know any?

snip

I remember an argument about 100%s having a 1/255 or 1/256 chance of fail, and looking at the source code, I think that may be true. I don't know.

Here's a myth for you folks: Does Maplestory run on a PRNG (like Runescape) or on a real RNG (like FE7)?