Hogwarts and the Dueling Tournament

Clover Dursley gave a prophecy on her eleventh birthday that hints at grave things happening at Hogwarts this year. And how could grave things not happen this year with the children of the Golden Trio, children of former Death Eaters, new scholarship students, mysteriously powerful muggleborns, a new criminal organization called the Freebloods, and a year long Dueling Tournament.