Because Sima Xuan’s spiritual power and soul power were both sealed, she had no way to defend against or neutralize the crushing pressure of the spiritual power that erupted after her protective barrier collapsed.
While her physical body could easily withstand the pressure, her fragile clothes could not.
Had it not been for the binding and constricting force of the Ethereal Lock, the spiritual pressure released after the collapse of her barrier would have simply surged outward and dissipated into the surrounding air. Instead, through a freak stroke of fate, the pressure instantly stripped her bare.
Chapter 3316