Veronica Roth, the game of capture the flag gives Tris a chance to show her true strengths. By climbing the Ferris wheel, she doesn’t just appear fearless: she also gains a real tactical advantage over the other team.
“Then I realize what it is. It’s him. Something about him makes me feel like I am about to fall. Or turn to liquid. Or burst into flames.”
Tris and Four are fighting for the team’s victory, they are both helping each other and they are starting to have a deeper connection between each other that leads into their minds. This ability helped them to gain the flag while coming back they encounter the best player in the Dauntless. They fastly developed other integrities that led them to the victory and made them go back to their base.