Another World, Picking up a Super Civilization for Nothing

Traveling alone through another world, he was recognized as his master by an intelligent servant, and he picked up all the information of a super civilization for nothing. We once dominated the world, we once ruled all races! Now, the servants of the past have become kings, and the pets of the past have become overlords! Everything starts from scratch. Then. With a little practice in psychic abilities, the charged puppet can build a city on its own. Soon he was living a life without worries about food and clothing. With just a few words, the legion crushed all those who resisted, and all races surrendered. "Well, the plants here are simply a panacea, and the environment here is perfect for vacation and recuperation!" Then there is a portal connecting to my hometown. Open a resort and create the most powerful drug dealer. Fenglei once again became a big figure in the official and business circles of Blue Star. Enjoy a super civilized and comfortable life. What? Are there any visitors from my hometown who are complaining? Making trouble on my territory? Is it stupid? This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.