Curse or reflection of self

[Slytherin]

Years of Ki manipulation resulted me in actually see my Ki flowing through in form of blackish blue in form of thin lines of thin lines. I defeated Halphas and his spirits at 13 with Ki and Aura manipulation. I am amoral, desire to be immortal. I practice Grey Magick, drawn to the LHP. What does the colour of blackish blue signify? Is it a reflection of me, or some curse on my Ki