C821 The Curtain Rose
All the cannon fodders did not know that they had been locked in place. They were not experts, but they had a sense of danger.
Just like Xue Lang's perception ability, it was not a magical phenomenon or ability.
However, if there was no killing intent leaking out, then one would not be able to feel that one's life was in danger. Only when the bullet was close would one be able to notice it