I don’t believe the soul is split every single time one kills. Dumbledore’s telling Harry that Voldie’s soul accidentally split during that night suggests that it was an unusual event, not something that happened several times per week. I believe Rowling also specifies that it was just one extra piece of Voldemort’s soul that had to find something to latch onto, not hundreds.
So if the accidental split was due to the murder of one of the Potters, I think it was probably the innocent child, the killing of which woudl probably have more powerful soul-ripping powers.
I don’t believe the soul is split every single time one kills. Dumbledore’s telling Harry that Voldie’s soul accidentally split during that night suggests that it was an unusual event, not something that happened several times per week. I believe Rowling also specifies that it was just one extra piece of Voldemort’s soul that had to find something to latch onto, not hundreds.
So if the accidental split was due to the murder of one of the Potters, I think it was probably the innocent child, the killing of which woudl probably have more powerful soul-ripping powers.