Getting an S rank on Nocturne
OK so I am a level 6 Nocturne, I am trying to get my level 7 mastery tokens but I keep getting A's, does anyone know what is needed to get and S rank for nocturne?
My average KDA is around 10/1/13 (or better), I generally have over 200 cs and I control drake and baron so the enemy team might only get one drake per game, I also normally get first blood and make a gank when ever I can.
I know that warding is part of it as well and I normally have a vision score of 30, and I maybe have destroyed 5 enemy wards
So does anyone know where I am going wrong? or how I can improve?