Georgiana opened a window, letting the cold air outside blow in, and took a breath of fresh air.
She looked up at the courtyard outside, where several soldiers were standing guard, their shadows almost blending into the darkness.
There was another kind of double, Hamingja. Unlike Fylgjur, it was not a spirit that accompanied someone, but rather another self released by oneself.
Several times, she had seen a "black shadow." He felt familiar to her, except the one she saw in "daylight" was like the Sun, while the one she saw was like a "shadow." If he was Bonaparte's double, then it was easy to understand. He was the other self released when Bonaparte was utterly absorbed in his work. He had a physical form and could not simply be understood as a split personality.
If handled properly, a double could become a good companion in battle. If handled poorly, it could become a great nuisance.
Sometimes, a double appeared while the "self" was asleep and controlled the body's movements. It felt as though one had had a dream, but those who knew they had doubles understood perfectly well that they had not been dreaming. Their double had come out to move about.
Harry had encountered severe dream problems in his fifth year, forcing him to learn Occlumency. His dreams intensified twice: the first time when Voldemort acquired a physical body, and the second when Voldemort was resurrected using Harry's blood.
It was sometimes explained as a pair of twins. Distance created no barrier, just as twins could sense what their brother or sister far away was doing.
The "Sun Gold" they had discovered in the Alps labyrinth last time had been liquid, and they had never considered one question.
Whether artificial Phoenix tears or artificial Unicorn blood, all of