Talk:Cassiopeia/@comment-4636093-20151124052049

Riot said that they want to make all sources of CDR give multiples of 10 in order to make it easier to build. They made CDR boots give 10% and removed the 5%CDR mastery, but forgot about Cassiopiea's passive giving 25%CDR. Now you need to run CDR runes to hit the cap and not go over on Cass.