Riot tricked you
I think it's one full week after his release.
today or tommorow (or with next patch)
today is a full week i believe
My post from another similar thread:
"I got money on them playing some nonsense like "Thresh is really popular right now, so we decided to extend his 7800 price duration" or "We had a bug in our store that we're trying to fix."
when the servers go down
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