Give details of Henry's battlefield prowess. What does he do to make his peers "awestruck" at his presence?

Henry was in a brave frenzy on the battlefield: He showed no sign of fear.

Some of the men muttered and looked at the youth in awestruck ways. It was plain that as he had gone on loading and firing and cursing without proper intermission, they had found time to regard him. And they now looked upon him as a war devil.