The Most Powerful Master in the World

Traveling to a chaotic fantasy world, becoming the eldest son of the largest family, and having a genius sister, possessing two powerful memories and peerless treasure skills, what kind of story will Yang Chen leave in the world! Become a starting point in Tianling Continent, establish Tianchen Group, and rule the entire universe Yang Chen: System? I can wholesale it here, do you want it? Pan Mou: Brother Yang, can you give me one in consideration of my impending demise? Hong: Pan, if you have half your foot in the coffin, don't argue with me. Lord God: Brother Yang, can you give me a way to survive? I'm about to go bankrupt. Demon Lord: My dream was to become the supreme master, until I met Brother Yang, I turned back. Jiutian Xuannv: Brother Yang Chen, do you still accept maids? I apply. Baihua Fairy: Brother Yang Chen, I brought a hundred flower fairies to seek refuge with you. Baicao Fairy: Brother Yang Chen, I brought a hundred grass fairies to seek refuge with you. PS The introduction is weak, please read the main text. This book mainly tells the story of the protagonist establishing his power and attacking all realms. (A fusion of fantasy and technology.)