Fortune-telling Hongwuniu _ What does Fortune-telling Hongwuniu mean?

There is a movie in which a child gives a cow to a landlord and tells a story about a dragon.

Zhu Hongwu.

It tells the story of Zhu Yuanzhang's family being killed when he was a child and herding cattle for a living. Because he is a dragon, he can use clay figurines and stone lions, and he can also knock on stone drums, which is exactly the prediction of Buddhism in the Yuan Dynasty. Knowing that Zhu Yuanzhang wanted to overthrow the Yuan Dynasty, the emperor ordered the Buddha to summon a fiend to kill Zhu Yuanzhang. Jinlong and Liu Bowen helped Zhu Yuanzhang escape, Liu Bowen summoned a huge white ape to fight against the fiend, and finally Jinlong fought against the fiend, defeated the fiend and destroyed the Yuan Palace.