Riot this makes no sense!!!
i have been grinding ezreal and trying to get mastery 7 on him, i've got to mastery 6 all by myself, but then when i started to grind on mastery 7, it was like impossible for me to get an S, i've gotten enough cs, kills, and objectives. when i started to get my mastery 7 on tristana, it was very easy to get, why is it so hard to get an S on ezreal. one game, i went 14 kills 0 deaths, 180 cs, at 28 minutes, and i get a S-, like if i was playing another champion with that score, i would get an S+, so riot this doesnt make any sense, so if anyone is a mastery 7 ezreal main, can you tell me how u got there please?