Riot Games Announces Set 15 for Teamfight Tactics (TFT): K.O. Coliseum Arrives July 30 by Marko Jovanovic July 7, 2025 by Marko Jovanovic July 7, 2025 Riot Games has announced the upcoming release of K.O. Coliseum, Set 15 for its… facebooktwitterpinterestlinkedintumblrredditwhatsapp