Talk:Rabadon's Deathcap/@comment-11581326-20131209091155/@comment-3017217-20140127080830

Multiaplicative so the Rabadon's considering you have Archmage gives 32%(36.5% is the total but I think the system considers it 37%).

I tested it Karthus with Rabadon's and Banner of Command and 3 ranks in Archmage 274 not 272 so it gets rounded up not down.