What keeps Diana from becoming a popular pick?
So, I love Diana, used to main her last season for jungle and now she's still a pocket pick I have when I wanna play a melee fighter/assassin at mid or jungle. But I've noticed she's never used in competitive (apart from a brief time in 2015 where she was a staple pick) and she's not even popular in SoloQ compared to stuff like Zed, Fizz, Yasuo, Ekko, LB, Ahri and other midlaners. What is the cause of that?