purpose: to determine the chance of acquiring active and passive skills through augmentation with r99-grade life stones. experiment: we will test weapon augmentation using r99-grade life stones of various grades. we will use 500 stones of each grade to do it, so in total we will test 2000 stones. augmentation will be applied to amaranthine buster r-grade. so, let's take a look at the results: conclusion: as we can see, the average chance of acquiring a skill (active or passive, including chance skills) is around 10%.