The climb from the Sump to the mid-levels of Ouroboros was a vertical nightmare. For a normal human, it would have required heavy gear, oxygen tanks, and days of grueling effort. For the Rat-army, it was a sprint.
Silas led the pack, his body moving with a fluid, terrifying efficiency. He didn't use the stairs or the elevators; he climbed the exterior of the massive ventilation conduits, his claws digging into the reinforced carbon-steel as if it were soft clay. Behind him, hundreds of violet eyes flickered in the dark, a tide of shadows rising against the pull of gravity.
"The air is changing," Skitter hissed, crawling alongside Silas. The deformed leader of the Failures was surprisingly fast, his elongated limbs snapping like pistons. "It smells of perfume and filtered oxygen. We are close to the 'Glass Gate'."
The Glass Gate was the boundary. It was a massive, transparent floor that separated the industrial filth of the Gutter from the luxury of the mid-tiers. People in the Apex often walked over it, looking down at the clouds of smog below, never imagining that the smog was looking back.
"Halt," Silas signaled. The horde froze instantly. The Hive-Link—the connection forged by the Golden Grain in Silas's system—was working. He didn't need to shout; they could feel his will.
Silas peered through the reinforced glass. Above them was a shopping plaza. Rich citizens in floating robes walked leisurely, carrying bags of synthetic silk. They looked soft. They looked oblivious.
"We don't just break the glass," Silas whispered into the Hive-Link. "We disable their eyes first."
He pointed to a massive power relay humming nearby. This relay fed the security cameras and the automated turrets of the sector. Silas didn't use a tool. He opened his jaw, revealing teeth that had become serrated and infused with metallic minerals. With one powerful bite, he tore through the thick, electrified cables.
The sparks showered his face, but he didn't flinch. The electricity didn't kill him; it danced across his skin, absorbed by the violet veins.
The lights in the plaza above flickered and died.
"Now," Silas growled. "Break the world."
The sound of the glass shattering was like a thousand crystal bells screaming at once. Silas was the first one through the hole. He landed in the center of the plaza, his white silk tunic—now stained with grease and blood—tattered around his muscular frame.
The citizens screamed. They saw a man, but then they saw the claws, the violet glow in his eyes, and the sheer predatory hunger in his stance. Behind him, the Failures poured through the breach like a flood of grey ink.
"Enforcers! Sector 12! Breach! Breach!" a frantic voice yelled over the intercom.
Within seconds, the sterile white corridor hissed open, and a squad of twenty Enforcers marched out. They were armed with 'Sonic-Pulser' rifles—weapons designed to shatter bones without spilling blood.
"Target the leader!" the squad captain ordered.
The first sonic blast hit Silas square in the chest. It was enough force to flip a car, but Silas only took a half-step back. He felt his bones vibrate, but the Grain inside him pulsed with a counter-frequency. He was adapting in real-time.
"My turn," Silas hissed.
He moved faster than the human eye could track. He was a blur of violet light. Before the captain could fire again, Silas was behind him. With a single sweep of his claws, he severed the oxygen hose on the Enforcer's suit. As the man gasped for air, Silas grabbed the Sonic-Pulser and crushed it in his bare hands.
The Failures swarmed the rest. It wasn't a battle; it was a harvest. The Enforcers, trained to fight disorganized rebels, had no answer for a hive-mind that moved with singular purpose.
"Silas!" Skitter called out, standing over a fallen computer terminal. "I found the map to the 'Glass Cage.' They have the old man in the high-security wing of the Medical Spire. But there's a problem."
Silas walked over, his breath coming in heavy, rhythmic rasps. "What problem?"
"The Spire is pressurized. If we break in, the vacuum will pull us all into the sky. And Lady Vesper... she's waiting for you. She has activated the 'Extermination Protocol'."
Silas looked up. Through the skylight of the plaza, he could see the Medical Spire—a needle of gold and glass reaching toward the clouds. Somewhere in that tower, Nero was being dissected or used as bait.
"Let her activate whatever she wants," Silas said, his voice echoing through the Hive-Link of every Rat in the building. "She spent billions trying to make us the perfect survivors. Now, she's going to find out what happens when the survivors decide they don't want to live in her world anymore."
He turned to his army. "We don't take the stairs. We take the outside. We climb until the air runs out."
As the Rat-army began to scale the glittering exterior of the Spire, the city of Ouroboros finally realized that the vermin weren't just in the walls.
They were the walls. And they were closing in.