The surface is just a shell. The real world lies beneath. In 2040, Earth's heartbeat changes. Across the globe, ancient portals known as the Gates Protocol begin to hum with terrifying power. From a resonance fracture under Harlem's 143rd Street to the Zero Gate buried beneath three miles of Antarctic ice, the planet is opening up-and something ancient is stirring. Unit Nine is the only team brave enough to descend. Led by Captain Jalen Cross, this elite crew of ten scientists and soldiers must navigate the seven bioluminescent layers of Igartha. But the mission's true anchor is David, Android 120. Integrated with a primordial Core Fragment, David is the only mind capable of recording the deep without being erased by the resonance of the underworld. As they encounter the forty-foot Icebound Colossus and flee the shadow-eating Void-Spawned, the team discovers a truth hidden for eons. They aren't just exploring a cave system; they are trespassing in a living planetary mechanism. At the center of it all lies the Ninth Gate, a reality-folding threshold that holds the final command for Earth's future. David is the Witness of Metal, and the choice is his: seal the core to save humanity, or awaken the First King and transform the world forever.
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