Whenever someone commits cold-blooded murder their soul is ripped in two, even if the torn piece is not placed into a Horcrux. Not many people know this, but after speaking with Dumbledore Harry does.
No, Harry knows that Dumbledore said that he thinks this.
“I think, Harry—though you will call it only inference—that the act of murder splits the soul.
No, Harry knows that Dumbledore said that he thinks this.