Finally.
I know many people already have multiple rank 7 champions, but this took a lot of wins and effort to earn, and I'm proud. Many swear words were shared over this journey, but I can finally not worry.
EDIT: Thanks everyone for the kind words, and for those who don't believe I actually tried, check my past 15 or so Leona games. http://matchhistory.oce.leagueoflegends.com/en/#match-history/OC1/200816389?champion=89
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on my team got an S- while going 5/8/12. Try doing AD Sona Top too, I've gotten a few S rating as that. (By that I mean one.)
to lvl 7 ... getting an S on Supports aien't easy especially if you play as a Support instead of trying to KS your teammates for that higher grade. Regardless, congratulations man!! :)