Talk:Rusty Knife/@comment-115.188.250.197-20150402071635/@comment-25707473-20150406124407

Yes and no, the percent stacks multiplicatively, making each subsequent knife stack for the 15% of the remaining 85%, and so on. To put it in other words, 1 knife has a 15% chance to proc, 2 knives have 27,75%, 3 knives ~39%, and so on