Harry, Ron and hermione return to hogwarts for the remaining horcruxes, and the battle of hogwarts begins. Voldemort murders Snape to obtain Elder wand in his quest to defeat the Deathly hallows. Harry learns that Snape was in love with his mother, lily, his allegiance was always to Dumbledore and the woman he adored, not to the dark lord. Realising that he is a horcrux, Harry sacrifices himself to voldemort to save the Wizarding world. Neville longbottom kills Nagini, destroying the final horcrux in Harry's place. Harry survives Voldemort final attack, vanquishing him at last. Nineteen years later, Harry and ginny are married with three children. They meet Ron and hermione Granger - Weasley on platform 9 and 3 quarters at king cross station. Their children, Albus potter and Rose granger Weasley, are starting their first year at hogwarts. Albus fears, he may sorted into Slytherin and Harry assures him. The whistle blows and Albus and rose journey begins.