What are the four brave operas?

Courage of sword, courage of gun, courage of bow, courage of shield. The list of S.H.I.E.L.D. Warriors is an animation serialized by Tian Wenjiaochuan on the novel website "Become a Novelist" from 20 12 to129. It tells the wonderful story of four people crossing different worlds and becoming brave, fighting monsters and upgrading. Among them, the four brave men are Jian Yong, Qiang Yong, Gong Yong and Dun Yong. Because Gong Yong has long-distance strong output and high explosive power, it is liked by many audiences.