Meng Hui Shui Margin's Great Unification

The poem says: The Dragon of Tianhe entered the mortal world and overthrew the Song Dynasty to become the hegemon. The eight-jeweled dragon determines the universe, chasing the wind and the moon across mountains and rivers. Suddenly I heard the sound of golden drums in the water, and thousands of troops and horses established peace. In his dream, he returned to the story of Water Margin. He has great ambitions and intends to unify the world, but whether he can achieve unification and hegemony, let me tell you slowly.