Uses animal blood to counter magic

So it was done. Guan Yu and Zhang Fei took each a thousand troops and hid them on the high cliffs behind the hills, and they had a plentiful supply of the blood of swine and goats and all manners of filthy things. And so next day, when the rebels with fluttering banners and rolling drums came out to challenge, Liu Bei rode forth to meet them. At the same moment that the armies met, again Zhang Ba began his magic and again the elements began to struggle together. Sand flew in clouds, pebbles were swept along the ground, black masses of vapor filled the sky, and rolling masses of foot and horse descended from on high. Liu Bei turned, as before, to flee and the rebels rushed on. But as they pressed through the hills, the trumpets blared, and the hidden soldiers exploded bombs, threw down filth and spattered blood. The masses of soldiers and horses in the air fluttered to the earth as fragments of torn paper, the wind ceased to blow, the thunder subsided, the sand sank, and the pebbles lay still upon the ground (Romance of the Three Kingdoms, Ch 2).