Talk:Jhin/@comment-30023778-20160920205340/@comment-4091261-20160922031832

Efficiency is the ratio of gains compared to losses of the same material. A standard that covers both how powerful and cheap it is. The thing about efficiency is that it can disregard an option that is more powerful due to being more expensive. Yustus is implying the power indicates effectiveness. In this context, it is much easier to think of it as an analogy between cheap and powerful.

While they are not polar opposites since things can certainly be both cheap and powerful, it is relevant since he was talking about the reason why people keep boots in their build at all. In terms of, are efficient enough to obtain over other items simply due to how cheap it is.