Personality IS nature.
There was a study conducted called "The New York Longitudinal".
The study followed people over quite some time and what they found was that people's personalities (temperament) do not change much throughout the course of their lives. If someone's basic demeanor is grumpy when they are infants then they are basically grumpy their whole lives.
No. Just because that it might be generally
the case (a possible contingent truth), does not mean it is a necessary truth
And even if My personality were fixed and immutable (it's not, I can change it by NLP tweaking and the like), I would still
not be My personality, in essence.
I am the Black Flame - the dark heart of My universe that is known only by its effects. That is My nature; the Schwarze Sonne.
Personality is equatable to the white parts encircling the Schwarze Sonne. They are visible; they outline, and distinguish, and draw attention to, the invisible.
You know Me by My personality, just as the viewer knows the Schwarze Sonne not by the black parts that are really invisible, but by the white parts that highlight them.
You see only My peripheral attributes. You see My personality, My body, etc. I can change My body (body modification, etc) and still be Me. I can change My personality (NLP etc), and still be Me. I can change any of those peripheral attributes and still be Me.
My nature is what I cannot change. And that is the real Me; the experiencer and controller of all the aforementioned attributes.