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Captain Memphis Stone’s life is shattered when a catastrophic failure at CERN’s Large Hadron Collider releases interdimensional horrors into our world. After surviving a brutal encounter with lethal, psychic-predators and being gaslit by a military cover-up, Stone is recruited by the clandestine Cerberus Project. He is tasked with leading the HELLstalkers, an elite multinational squad of specialized killers, to hunt down the 'Grendels'—monstrous entities invading through reality rifts. From the dark tunnels of Switzerland to the rural landscapes of Poland, Stone must overcome his own trauma and earn the respect of his veteran team as they engage in a high-stakes war against an extraterrestrial threat that conventional weapons can barely touch. This pulse-pounding military thriller blends hard science fiction with cosmic horror, pitting human grit against a terrifying, invisible apocalypse. Comparable works include The Mist, Monster Hunter International, The S Squad, Vatican Knights, The Templar Chronicles