A Journey Into Eternity

What if Sirius Black had a son named Atlas that he never knew about? What if said son was raised by Lord Arcturus Black? What if Trelawney's Prophecy was just a tad bit different? How different would the world be? Follow Harry and Atlas as they begin their journey into eternity. An alternate reality of the Wizarding World as we know it. First Installment in a planned Trilogy.