The Art of the Alien Gun King Mortal Heaven

Jun Xiaohan is the chief of the Chinese Dragon Group, and Shangguan Lingxi is the number one killer of the Shadows. A pair of life-and-death rivals accidentally get involved in the alien world during a fateful showdown. The former enemies are now in a different world, seriously injured and in danger, and the pursuit continues. In a desperate situation, Jun Xiaohan accidentally awakened the "Mortal Art", and the twelfth level of body tempering was born; Shangguan Lingxi awakened the physique of the Dao of Killing and proved the Dao through killing, and her strength grew rapidly. Jun Xiaohan wields a gun to control the world, and Fan Tianjue sweeps away powerful enemies; Shangguan Lingxi followed him invisibly, with murderous intent hidden in his murderous path. From being wary of each other to being dependent on each other in life and death, from fighting to the death on earth to standing side by side in another world. One shot breaks all laws, one shadow fixes everything. Together, the two set off a storm in another world and reached the top of the world!