What is the fine-grained topic of the following text: Chen Hongyang cold laugh loudly, looking at closure Mingyuan eyes full of disdain: Trick Road sovereign of thousands of years have been dominated letters home, you will not forget so easily let out 500 years ago . Only return the topic.
The fine-grained topic of the text is a confrontation between Chen Hongyang and Closure Mingyuan about historical dominance in their society.