I think that if voldemort really wanted to kill harry potter the night the spell didn’t work on him he could’ve just picked him up and thrown him out a window given the fact that he was a one year old infant
or any other time before he became an awesome wizard. he not really bout that life
The part of voldemort that tried to kill Harry died though right? Didn’t half go into Harry, turning him into a horcrux, and the other half die? I don’t think a part of a shattered soul could lift any body.