This picture is sourced from the scene of Zhang Fei Triumphs At Long Slope Bridge of a famous Chinese classic novel Romance of Three Kingdoms. Even though Zhang Fei's troop was short of men at that time, his screaming frightened away thousands of Cao Cao's soldiers. His power is what no-one else had. The Painting skill uses a wool-like lines, combined with the effect of ink, the structure would be sort of exaggerate and deformed.