How I got Grandmaster Playing ONLY Sierra in Overwatch

So I managed to get grandmaster playing on sierra in overwatch, she's really lacking in damage now when people have figured out how to counter her. 🎥 Twitch -   / therealkenzo   💂🏻 Instagram -   / thefakekenzo   🐤 Twitter -   / therealkenzo   🕒Tiktok:   / therealkenzo   📱 Discord -   / discord   🦺 Merch!: http://therealkenzo.com/ 🔥 Second channel:    / thefakekenzo   📩 Business email: trkinquiries@gmail.com 00:00 Intro 00:28 5v5 Game 07:23 6v6 Game #overwatch #sierra