C707 Parental Gain of Strength
When Bai Miaomiao came to the mortal world, her family's patriarch had given her a very important stone. He told her that she could use it at critical moments.
Bai Miaomiao's energy had not recovered yet, so she needed to concentrate in order to trigger the energy from the stone. Now that she and Chen Zhenting were in danger, they needed to have the ability to protect themselves