User blog comment:QuantumFeint/Custom patch 4.15 wannabe/@comment-5035765-20140816234636/@comment-24558666-20140819095325

Youmu is one of most used items on Lucian, Vayne...

Lucian - 48% of games

http://www.lolking.net/champions/lucian#overview

Vayne - 24% of games