In the year 2147, neon‑streaked acid rain drenches the lower districts of New Shanghai 🌧️🏙️. The scavenger Lin Ye accepts a contract to hunt down an aberrant giant lizard and pulls from his backpack a battle knife he personally modeled and 3D‑printed ✨🔪. The orange‑hued blade bears intricate bone‑pattern carvings, while its vine‑wrapped handle conforms perfectly to the lines of his palm; at the hilt, a wolf’s head snarls with bared teeth, each groove and seam embedded with nano‑conductive fibers ⚡. When the built‑in energy core is activated, the wolf’s head emits low‑frequency vibrations mimicking a wolf’s howl, capable of directly disrupting the neural synapses of aberrant creatures 🤯. Gripping the blade, Lin Ye slips into a labyrinthine sewage tunnel, its walls oozing viscous fluids from mutated organisms, while above him, the muffled rumble of a colossal creature crawling reverberates through the pipes 🐉. He turns into a side passage and comes face to face with the beast’s fetid, massive head. With a sweeping diagonal slash, the blade effortlessly cleaves through its thick, resilient scales. Just as the edge pierces the heart, he catches sight of a weathered metal tag around the lizard’s neck—its faintly polished surface bears the identification number of the juvenile test subject he lost seventeen years ago, the very little lizard he had secretly raised since childhood 📖❓. Outside the tunnel, violet‑pink neon light filters in, bathing the orange blade in an eerie misty purple, and Lin Ye’s decisive strike freezes mid‑motion 🫠.