To many people, a matter like comprehension was like being in an unknown maze and they were trying to find the correct exit.
The vast majority of people would scuttle around wildly like headless flies.
Those with good aptitude could eliminate some of those mistaken paths through constant thinking and testing and might even be able to pick the correct path eventually.
Bai Hao and a minority among the crowd had very good comprehension abilities. If they had more time, they would surely be able to understand the trick behind the murals by themselves.
But now because they observed Sun Mo's performance, their sharp instincts managed to capture the main point to clear the stage.
When sword qi pierced their body, it was too painful and would surely cause damage. Hence, the vast majority of people tried their best to avoid them as much as possible.