The plot after Brother Ming appeared in One Piece was very complicated. Here is a brief introduction. Brother Ming's appearance signified that One Piece had entered a more dangerous and chaotic era. He was a very powerful pirate with many followers and his sphere of influence was constantly expanding. After Ming's appearance, the story of One Piece changed a lot. First of all, Luffy and his companions had to face an even stronger enemy. Ming's sphere of influence has expanded overseas and they have conflicts with many powerful countries, so they have to face attacks from these powerful countries. Secondly, Luffy and his companions also received many new skills and equipment. Brother Ming had once taught them some skills and knowledge to help them become stronger. In addition, they also received many new weapons and equipment from Brother Ming's pirate ship. In the end, Luffy and his companions still had to face Brother Ming himself. Brother Ming was a very smart and cunning person. He tried to use Luffy and his companions to achieve his goal. He kept trying to sow discord and create chaos, trying to defeat Luffy and his companions. All in all, Brother Ming's appearance made the story of One Piece more complicated and dangerous. He represented a more powerful pirate force and brought many new challenges and opportunities to Luffy and his companions.