Unusual winrate spikes with 6.9

https://champion.gg/champion/Karthus https://champion.gg/champion/Twitch

Karthus and Twitch winrates have spiked out of control even though they were mostly unaffected by the mage update changes. My only guess would be that the new meta is very objective based and these champions not only have insane DPS to kill epic monsters, but also have huge AoE teamfight capabilities.

Also Velkoz dropped by a Lot to my disapointment and surprisingly Viktor went up by a lot too.