It doesn't mean anything unless you make it mean 1.
Of course it would not be an RPG without a battle device! Mediocre people allow their luck to pass them by. It is 1:35,000,000 or 1: 50,000,00, and such like. https://Peakbookmarks.com/story17535305/earn-online-money-not-as-easy-as-they-become-a-success-seemml