Thresh formed an alliance with Rue, a small girl from District 11. The two tributes worked together to protect each other, and were able to survive the early days of the Games. However, Rue was eventually killed by Marvel, a tribute from District 1. Thresh was enraged by Rue's death, and he vowed to avenge her.
Thresh tracked down Marvel and killed him in a brutal fight. He then went on to become one of the final four tributes in the Games. However, he was eventually killed by Katniss Everdeen, the tribute from District 12.
Thresh was a complex and tragic character. He was a powerful and dangerous fighter, but he was also capable of great love and loyalty. His death was a significant moment in the Games, and it served to highlight the brutality and injustice of the Capitol's regime.