The journey to the Martial Peak is a long, lonely, and solitary one. In the face of adversity, you must survive and remain unyielding. Only then can you break through and continue your journey toward becoming the strongest. Sky Tower puts its disciples through the harshest trials to prepare them for that journey. One day, Yang Kai, a lowly sweeper, obtains a black book that sets him on the path to the peak of the martial world. This novel ranked among China’s top 10 most-read mobile novels. With around 50 million views, it topped the charts in June 2014 and remains one of the most-read online mobile novels. Its popularity also led to adaptations into both Manhua and Donghua. Please note that the novel ends at Chapter 6009. All chapters beyond that are fan-made.