>>95152172>it implies that the brain can just do that if you try hard enoughThe stone masks all the way in part 1 unironically work on this principle. It hits parts in your brain that make you a vampire (and can turn you into a nigh-unkillable being if you're a pillar man and have a magic rock).
Similarly, stands can be obtained via injecting a space virus into yourself that forces your body to adapt by forming a stand.