The death of Albus Dumbledore

What would have happened if Albus Dumbledore had died before the Potters? With one of the major players in Harry Potter's life removed Ivy Potter's life will be very different. Can her new guardians save her from the difficult life that was scripted for her since birth or is Ivy's heroic nature so deeply ingrained that she will always find her way to mystery, danger, and sacrifice?