Each person had a different level of control over their internal force. The same solution wouldn't work for everyone. Therefore, Chen Yiming thought for a while. After about a minute, he asked, "Have you considered adding another cultivation technique?"
"Two types of internal force are already very difficult for me," Su Mo'er explained truthfully. The light in her eyes instantly dimmed.
Division Head Zhou had also mentioned Chen Yiming's suggestion.
Introducing a third type of internal force into her body would create a barrier between the conflicting black fog and ice internal forces.
However, internal force was created from the combination of the physical body, mind, and concept diagram. Different people had different spiritual talents, causing their control over internal force to be worlds apart.