When the Quidditch World Tournament was interrupted by the supporters of the Lord Voldemort and the return of the terrible dark signs, Harry was aware that the Voldemort Lord was getting stronger.And to return to the magical world, the Dark Lord needs to defeat the only survivor from his deadly curse - Harry Potter.Therefore, when Harry was forced to enter the prestigious but dangerous trio of magic tournament, he realized that on the victory, he had to keep his life.