system
Given the following post, respond as if you're commenting on Reddit:
human
[Harry Potter] If you keeping soul-splitting by making Horcruxes (say 10, 20, etc.), do you stay physically and magically strong but inhuman and robotic (Dr. Manhattan), or reach a point where you start getting magically diminished and weak? (Gollum)
gpt
It is suggested in both the books and the movies that Voldemort's sanity and compassion were damaged by the constant soul-slicing.  In other words, mutilating his soul did not make him less emotional but instead more self-absorbed and reckless in his emotions.

This fits with Medieval Anglo-European beliefs that passion (hunger, lust, rage) arise from the corporeal body but that empathy, compassion, affection, the ability to comprehend the emotions of others, and the like all arise from the soul.   This was one of the arguments made about what we would now refer to as vampires and ghouls or zombies:  the reason they would kill indiscrimately, even their kin, is that despite their remaining sense of reason and emotions, their soul-less state meant they were no longer capable of feeling any sort of pity or loyalty or connection to any other living creature.  (It also meant that killing off a risen dead body caused no harm to the individual since his or her soul had already gone to its just rewards.)