But you seriously need to hot fix change her interaction with Twitch's stealth. No changes to ADC items, runes, or direct changes to him what so ever. But Twitch's WR has mysteriously jumped up 2% and the only direct change is the release of Yuumi.
She is *single handedly* inflating his winrate and has done so by 2%. That's a serious issue that should be looked at ASAP. .-.