When he saw her during the day, only the foreign woman's right calf had turned to metal. But by night, perhaps due to some sort of shock, her "condition" had worsened. All four of her limbs were now metal, and the transformation was slowly spreading toward her torso.
If she turned to metal but remained flexible, she could at worst live as a robot, which wouldn't be entirely unacceptable. But that wasn't the case. Once her limbs turned to metal, she couldn't move them at all, rendering her disabled.
'What in the world is going on with this woman? Her situation looks like the backlash from a failed transformation of an Extraordinary Being.' Li Xiang had heard in his previous life that some Extraordinary Beings would experience this for unknown reasons.
It was possibly related to their Breathing Technique or some potion they consumed. In his previous life, he had just been a small fry, so he didn't know much.
