Aside from the change in his aura, Smith's greatest transformation was his appearance. He was once an old man with graying hair. Though his back was still straight and his posture remained elegant, the various signs of aging all pointed to the fact that he had reached the final stage of his life.
But now, Smith's hair was jet-black and shiny, and the wrinkles on his face had vanished completely. A vigorous life force radiated from him, making him seem like a young man in his twenties.
However, the young man before him stood silently in place with his eyes shut tight, showing no sign of waking.
This was normal. As mentioned before, the potion was designed for humans, so it wouldn't violently alter the body like the injections used on Demons. This was also why the heart was the primary site of transformation.
