He needed to help Hermione Granger come out of the lonely pit of despair she had been slowly burying herself in. He was certain she was the key to discovering just how to rid the Wizarding world of their worst dark terrorist yet. He needed to finish what he had started and repay the debt he owed to both Albus Dumbledore and Wizarding society for his misjudgments as a youth. He would strive to repair the damage inflicted on his unsuspecting young charge and repay the debt he owed to all those souls that he had destroyed himself or had been unable to heal.