What happens when the world’s deadliest bacteria is left to linger, untended, in the ruins of a crumbling fortress on a forgotten island? Beneath the desolate sands of Vozrozhdeniya—“Rebirth Island”—lies an unsettling legacy: a Soviet bio-weapons lab where the specter of Anthrax-836 remains dormant, potent, and ready to awaken. As the waterline of the Aral…