The silence preceding a natural disaster has a specific weight. It's dense, electric, and smells of ozone.

  We were at the top of the Leviathania control tower, built upon the dead god's cervical vertebrae. The sky over Guanabara Bay wasn't blue. It was stained with a brown soot that the north wind pushed down from the mountains.

  Valéria approached, holding a shortwave radio receiver modified with European crystals. Her face was smudged with soot, and exhaustion drew deep bags under her eyes.

  "We received one last signal from the interior twenty minutes ago," she said, her voice low. "It came from Contagem. From the Baroness of Rust."

  The Parasite in my liver shivered. I remembered the industrial vultures, the train car barricade, and the Baroness's piston arms.

  "Play it."

  Valéria turned the dial. Static filled the room, followed by the terrifying sound of heavy metal being torn like aluminum foil, and the bubbling hiss of acid.

  "...Doctor Veras. Your diagnosis was right..." the Baroness's voice was panting, muffled by explosions. "They aren't just eating the forest. They're chewing through our steel mills. My barricade lasted twelve minutes. I ordered the Contagem furnaces to superheat... I'm going to blow up the entire city to delay the Queen. You have... you have one day, Doctor. Make it count."

  The signal cut out in a sharp squeal.

  "She detonated the Contagem industrial pole to buy us time," I murmured, looking at the cloudy horizon. "A fire tourniquet. But the hemorrhage is already coming."

  And coming it was.

  The earth on the shores of Guanabara Bay began to tremble. The water receded slightly, pushed by the continental vibration. And then, the mainland hills spilled into the sea.

  It wasn't a march. It was a living cascade of Necrophage-Leafcutters.

  Millions of clay and bone carapaces poured down the coast, devouring the ruins of old Rio de Janeiro. Where they passed, neither asphalt, nor concrete, nor trash remained. Only scorched earth.

  And in the center of that stain, rising like a walking mountain, was the Clay Queen. Her abdomen pulsed, expelling clouds of green pheromones that coordinated the swarm into a hive mind of absolute hunger.

  The ants didn't stop when they reached the water. They threw themselves into the bay. The first thousands drowned or were dissolved by the salt, but their bodies formed floating pontoons for those behind them. They were building a bridge of corpses toward Leviathania.

  "Valéria. Initiate shock therapy," I ordered.

  Valéria grabbed the city's general communicator.

  "Power up the Antimatter Barrier! Maximum calibration!"

  Along the coast of our bone island, the emitters taken from the Exodus Fleet flared to life. A low hum tore through the air. A wall of black light, thin as paper but infinite in its density, rose between us and the swarm.

  The first leafcutters that touched the barrier simply ceased to exist. Their acidic mandibles, their carapaces, everything was erased from reality.

  But the Clay Queen didn't care about casualties. She forced the tide forward. Thousands of ants were vaporized per second, and the constant impact began to overload the European emitters.

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  The lights of Leviathania began to flicker. The power was draining.

  "The grid is failing!" Valéria shouted, typing frantically on the panel. "The barrier is going to fall in three minutes!"

  I activated my radio. "Gristle! Feed the boilers! Burn the fat!"

  Down below, in the bowels of the island, our Orc General was in command of the crews of mutant stevedores and refugees.

  "With pleasure, Doctor! We were freezing down here anyway!"

  I heard the sound of colossal shovels throwing blocks of the Leviathan's petrified adipose tissue into the steam furnaces. The island shuddered. We were literally burning our own floor, the corpse of our protector god, to feed the generators.

  Leviathania's chimneys spat columns of blue fire and thick smoke. The antimatter barrier stabilized, glowing brighter. The tide of ants continued to be erased, but the Queen began to change tactics.

  She stopped. Her abdomen swelled, and a bone-crushing sound echoed across the bay.

  The leafcutters pulled back from the barrier. They began to pile on top of each other, forming living towers, pillars of insects rising dozens of meters into the air, preparing to fall over the cordon sanitaire and land directly in our streets.

  "They're bypassing the quarantine," I analyzed, my left eye calculating the ballistic trajectories of those living towers. "Luna. It's your turn. General anesthesia."

  Luna stood atop the Leviathan's skull. In front of her, a monstrosity of audio engineering: dozens of transatlantic ship sirens and stadium loudspeakers, welded into a giant acoustic shell facing the mainland.

  She was pale, gripping her sonic baton with both hands.

  "Arthur, if I sing at their frequency, the resonance will shatter this tower's structure!"

  "Leave the engineering to me," I stepped forward.

  I raised my Black Crystal arm. The cold of the Babel Code, still dormant inside, mixed with the chaotic mana of my Parasite. I dug my volcanic glass fingers into the giant amplifier's central panel.

  The purple veins of my arm connected to the copper wires. I turned myself into a living stabilizer.

  "Sing, Luna. I'll hold the recoil."

  The ant towers began to fall toward the city. The sky darkened with raining insects.

  Luna closed her eyes. She didn't sing a human melody. She imitated the vibration of the earth's crust we heard in the Cerrado, inverting the emotional polarity. It was a scream of geological pain, pure seismic noise, amplified by European magic and the brutality of our equipment.

  The sound hit the bay like an invisible tsunami.

  It didn't destroy their carapaces. It destroyed the message.

  Luna's frequency violently canceled the Clay Queen's pheromones and neural commands. The hive's link was severed with the precision of a scalpel to the optic nerve.

  The leafcutters stopped in mid-air, falling awkwardly into the water and onto our antimatter barrier.

  And then, the true chaos began.

  Without the Queen's voice telling them they were a single organism, basic hunger took control. Millions of Necrophage-Leafcutters looked around and saw the largest source of biomass and meat available immediately beside them: their sisters.

  The brown tide began to devour itself.

  The sound of mandibles tearing carapaces replaced the marching hum. Ants decapitated ants. The swarm imploded in an instant civil war, just meters from our defenses.

  The Clay Queen howled, desperately trying to regain control, emitting waves of incandescent pheromones.

  But it was too late. Her workers, maddened by hunger and disoriented by Luna's sound, turned against the mountain of clay. Thousands of insects crawled over their own mother, tearing open the colossal abdomen and consuming the queen that spawned them.

  I fell to my knees, letting go of the amplifier cables. My crystal arm smoked, emitting the smell of burnt ozone. The Parasite in my liver grunted in exhaustion, near failure.

  Luna fell beside me, panting, a trickle of blood running from her nose.

  The bay in front of us had turned into a lake of green blood and sinking brown carcasses. The threat hadn't been vaporized by weapons; it had been consumed by its own appetite.

  The Antimatter Barrier shut down with a dying hum.

  The black smoke from our boilers covered the city. We were dirty, wounded, and exhausted. The corpse of the Leviathan beneath our feet was scorched and reduced in mass, but it still floated.

  Valéria ran over to us, helping Luna up. Gristle emerged from the service hatch, covered in soot up to her horns, but with a victorious, canine smile.

  "Is the patient free of the parasite?" the orc asked, wiping sweat from her forehead.

  I looked at the silent bay, at the Rio de Janeiro coast ravaged by ashes and carcasses. Beyond the mountains, central Brazil was now an empty graveyard, sterilized by the ant tide before it self-destructed. The Baroness's furnaces in Contagem had been avenged.

  Leaning on my human arm, I stood up.

  "The primary tumor has been excised. The insect metastasis choked on itself."

  I adjusted my tattered, bloody lab coat.

  "The quarantine was a success. The operating room is finally clean."

  The sun broke through the smoke clouds, illuminating our city of monsters, machines, and survivors. We were the masters of the rubble. We were the new ecosystem.

  "Excellent teamwork. Now, someone get me a strong coffee and a bed that isn't made of bones."