Math or no math, and all this probability BS doesn't change the fact that there are still voidfang vestments in xurs inventory, my point is they should have some sort of system that will cancel out the week befores item. I'd much rather have the odds of getting the same item every other week than see it the same week three weeks in a row.I just want apotheosis veil. I've been waiting six weeks for it and last I saw the only time they sold it was in week 3 or 4. Since then it's never been sold