A divine tree representing the world's will. Toward the end of the Great War, with the once-beautiful world of Raktehelm a mere shadow of its former self, Valhalla appeared at last in the skies over a raging battle and released the totality of its power. The world was suffused in a radiant light. the light eventually faded, the war eventually ended. And the survivors still had the earth, whose verdant glory returned, slowly but surely.