Complex sentence: His team defeats Jagang's team in the tournament final, but Jagang refuses to accept his team's loss and invalidates the win twice, leading to a riot in the camp, during which Richard and Nicci escape, while Kahlan is'rescued' by Samuel.
Split into simpler sentences: His team defeats Jagang's team in the tournament final, but Jagang refuses to accept his team's loss and announces that the win is invalid. This decision causes a riot in the camp, during which Richard and Nicci escape, while Kahlan is'rescued' by Samuel.