Wasteland King: I Have a Cosmic Trading System

In the wasteland, the former civilization has disappeared. Cang Jingtian, who was hiding in a high wall and living a peaceful life, unexpectedly obtained a 'cosmic trading system'. This system can trade with advanced civilizations in the universe, including unprecedented cultivation techniques, heaven-defying technology, and rare materials... These devastation and corruption in the eyes of advanced civilizations are unheard of high technologies in Blue Star in the wasteland era! This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.