<!--ItOne shouldof notthe beplot overlookedpoints thatleft therehanging isat saidthe toend be a '''missing''' Horcrux inof ''[[Muggles' Guide to Harry Potter/Books/Half-Blood Prince|Harry Potter and the Half-Blood Prince]]'' is a '''missing''' Horcrux. Dumbledore and Harry have clearly at that point located the hiding place of a Horcrux, but the Horcrux itself is gone, replaced with a substitute locket by one "R.A.B." Both itthe substitute locket, and the unknown "R. A. B." (presumed to be [[Muggles' Guide to Harry Potter/Characters/Regulus Black|Regulus Black]]), are keys to the "real" locket's whereabouts. In ''[[Muggles' Guide to Harry Potter/Books/Order of the Phoenix|Harry Potter and the Order of the Phoenix]]'', the [[Muggles' Guide to Harry Potter/Characters/Black Family|Black family]] house is being used surreptitiously as a headquarters for the [[Muggles' Guide to Harry Potter/Characters#Order of the Phoenix|Order of the Phoenix]]. When [[Muggles' Guide to Harry Potter/Characters/Sirius Black|Sirius]] and [[Muggles' Guide to Harry Potter/Characters/Molly Weasley|Molly]] undertake to clean the house, [[Muggles' Guide to Harry Potter/Characters/Kreacher|Kreacher]] undermines this effort – he and [[Muggles' Guide to Harry Potter/Characters/Walburga Black|Mrs. Black's]] screaming portrait. Listed among the objects being discarded is "a heavy locket that none of them could open." UponHarry, Sirius'having death,retreated to Grimmauld Place after the housefall passedof the [[Muggles' Guide to Harry; Potter/Places/Ministry of Magic|Ministry]] in [[Muggles' Guide to Harry mostPotter/Books/Deathly likelyHallows|''Harry willPotter recalland thisthe locketDeathly Hallows'']], sees Regulus' name on a door, and returndecides tothat Grimmauldthis Placeis, toin retrievefact, itthe "R.A.B." of the substitute locket. After a fruitless search of Regulus' room, probablyHermione withoutrecalls the locket that they had earlier tried to successdiscard. The locket maywill quiteturn possiblyout to have been hidden by Kreacher, orand elsethen stolen by [[Muggles' Guide to Harry Potter/Characters/Mundungus Fletcher|Mundungus Fletcher]], who was busily looting 12 Grimmauld Place during the early parts of ''Harry Potter and the Half-Blood Prince'';. ifMundungus thewill, in latterturn, Harryhave mayhad needit toextorted travelaway tofrom him by [[Muggles' Guide to Harry Potter/PlacesCharacters/AzkabanDolores Umbridge|AzkabanUmbridge]], towhich interviewwill Mundungus,result whoin isHarry currentlyhaving servingto timemake foran impersonatingexpedition aninto [[Muggles'the GuideMinistry to Harryretrieve Potter/Magic/Inferius|Inferius]]it.-->
Also of note, Voldemort split his soul into seven parts. In many cultures and religions seven is a significant number.
