T1 is favored to win the League of Legends Season 15 championship against KT, with market data from BC GAME and other platforms predicting a 3:1 series outcome. T1 holds a 61% chance of victory, while KT stands at 39%. Key players like Faker and Oner are expected to significantly impact the match, with particular focus on their kill statistics. Despite the predictions, the final outcome will depend on in-game performance and strategic decisions.