C1426 The News of Lin Han's Arrival in the West
They were unfamiliar with this tactic. When they started fighting, they usually did not shout slogans. Even if they did, they would greet the opponent first. This tactic could indeed be used to mock the opponent. They had never heard of it being able to boost morale. Furthermore, from the looks of it, the buff was very ridiculous!
When Ning Leng received this answer
