This badge was awarded between December 11 (18:00 UTC) and December 15 (17:59 UTC) to people who subscribed 2 regular/gifted/anonymous subscriptions to any channel streaming in the Teamfight Tactics category. Prime subscriptions did not count.
It was added for the TFT Paris Open, the first TFT Open held in Europe, which took place from December 12 to 14 at the Paris Expo Porte de Versailles and awarded a $100,000 grand prize to the champion.