Edit: Known bug already acknowledged by a Rioter in this thread.
Steps for reproducing: Charge Q twice in the fountain (so you're 2/3 on power chord). Once in lane, cast Q at an enemy champion and immediately autoattack the same champion with the power chord.
Result: Very brief freeze in all players' framerate.
Quite a few posts on this already
It's been an issue since at least patch 4.18. Feel free to bump them!
I think it's something from the rework. Like an art asset that isn't properly loading during the loading screen.
I have the same issue! Thought it was just my cpu, glad to see it's a bug that will hopefully be fixed soon.
It doesn't have to be charged. It is always the first Q that hits something in a game. I've played Sona about 12~ of my last 20 games and it happens 100% of the time on the first Q, no matter what. If you are having a problem with it, you can just use it on a jungle creep at level 1, and while I often feel bad about it, it is an easy way to get extra harass at level 1 on the lane opponent. Of course, I would feel worse if this had not been around for several patches now, and I am not going to hamper my gameplay simply because they haven't fixed it yet.
I bought a new computer to counteract this laggy effect. I thought it was just me. The new hardware didn't help. xD
