Loud.

Shi Lang had put away the intention of being calm during his attack at the back of his head because he really did not want to spare any brain cell in figuring out, how to get through the defenses and hit the target. He used the most basic method that he knew, strength will overcome all the schemes. 

His big sword weaved through the crowd, and the hilt was grasped in both hands, to quickly change the direction, it was like a river flowing seamlessly. The slashes were not broken at all. Another thing was that the blade was completely in sync with him. 

Yes, the blade was made up of precious metals, combined together to achieve the optimum level of a sword. The process could be called crude if looked at from the perception of the ancient ways, but the efficiency was terrifying.