How does katniss shock the gamemakers this year?

In "The Hunger Games: Catching Fire," Katniss shocks the Gamemakers during her private training session by performing a stunning and defiant act. Instead of simply showcasing her Archery skills, she sets a nearby dummy on fire, demonstrating her mastery of fire and her refusal to conform to their expectations. This bold move captures their attention and symbolizes her rebellious spirit, making her a formidable contender in the arena. Her actions not only impress the Gamemakers but also signal her unwillingness to be controlled.