Renegade Black and the Cursed Grimoire (Harry Potter Fan-Fic)

22 Years after Albus Severus Potter's first day at wizarding school, Hogwarts is still training the minds of young wizards everywhere. Due to Headmaster McGonagall falling to a mysterious illness, Harry Potter has been selected as the new Headmaster of Hogwarts school of witchcraft and wizardry. As the most powerful Auror of all time, Albus has taken over for Harry as the head of the Department of Magical Law Enforcement. Harry is determined to protect his alma mater and discovery the truth behind Professor McGonagall's death. However, one day the pendant he wears around his neck breaks. This broken magical artifact, which should never break as long as the spell it is linked too was still effective, becomes the prelude to the secret that Harry Potter wanted to keep buried for a lifetime. Left with no alternative, Harry ventures out overseas to recruit and change one orphan boy's fate forever. Will this orphan boy grow up to appreciate Harry for his efforts? Or will Harry make the same mistake that Dumbledore made all those years ago, the same mistake that ended with a battle that Hogwarts could never forget?