In the near-future metropolis, spatial rifts occur frequently, and otherworldly beasts lurk in the shadows and run amok. Spirit machine firearms, using spiritual energy as ammunition and runes as their core, are humanity's only reliance to break through defenses. Retired ace sniper Lu Chen wields his exclusive spirit machine, Silent Shadow, silently sniping eroding-shadow beasts from three kilometers away, blasting apart the core of a Tier-2 void-splitting beast with a single close-range shot, and precisely destroying the core of a bone-winged nether beast with a wave of his hand when it presses hard upon the city. The Dark Void sets up traps to frame him, and a mole lurks in the shadows. From the rainy night overpass to the Qingliang Mountain secret realm, the deadly spirit machine sniper tears open the truth of the urban boundary-breaking amidst layers of black fog---