Talk:Banshee/@comment-27508208-20160511225324/@comment-98.209.8.182-20160512174437

Well, I'm running a build with 12% duration and 200% effiency due to an Arcane Chorus Helmet. My channeled abilities are all at the minimum value.

It stays at 1/4 due to the function being base cost * max((100/duration)*((200-effiency)/100),0.25).

You can actually reach 220% effiency if you use Zenurik's Systemic Overrride, but it still stays at 1/4 cost.

Basically once you reach 200% effiency what you do to Duration doesn't matter due to being multiplication by 0.