Magically Divergent

We all know the story of Tris Prior, but what if everything was different? What if there was an adopted sister Chrystie Prior. Two Divergent Sisters in Dauntless is a dangerous thing. Even more so when Chrystie turns out to be a witch and her original family come for her. Disregards Insurgent/Allegiant AUHarryPotter FemHarry HP/DM FourTris CP/HG