Era of Mist

In the year 1919 of the Old Era, the solar system plunged into a deep and profound mist that permeated the starry sky. From this day on, the river of stars was hidden, and the world was greatly changed. Heart and Strength Techniques advanced side by side, and the two paths of science and divine arts coexisted. Where the sun shines, is the realm of humanity. Beyond the sun's light, is the territory of the mist. Humanity entered a brand new, Era of Mist. A hundred years later, Shi Tiexin, a youth from Tumu Castle, encountered an incident that left him very, very, very dumbfounded. — Description from novelcodex.org