Natsu and Happy make a pilgrimage to Tenroujima, site of Mavis Vermillion's grave. This sets the stage for the origin story of Fairy Tail, with a six-year-old Mavis caught in the middle of a bloody war between two guilds on the island.
Because of what happened 
after the Games, of course!
!بسبب ما حدث بعد الألعاب، بالطّبع