User blog comment:Ozuar/Don't Insult Anti-Meta: AP Leona vs. Fizz/@comment-1330314-20131212210550/@comment-4593717-20131213195001

I think the difference comes in how we define niche. What I meant by niche was that you pick her with a very clear knowledge of what you want out of your marksman and her job is more defined than other marksmen. In other words, Ezreal can fit a lot more easily into a composition than Ashe can.