The deeper they moved into the final arena, the less the place resembled a controlled game field and the more it felt like a broken world stitched together from forgotten ruins, hidden machines, and traps designed by people who enjoyed watching confusion turn into fear.

Every street they crossed seemed to obey different atmosphere. Some streets were silent enough that even footsteps echoed unnaturally, while others carried distant sounds that never revealed their source. Buildings stood half-collapsed yet still contained power. Lights flickered in empty houses. Supply crates appeared in places where no one expected them, as if the arena itself deliberately rewarded those sharp enough to search.

As always, Rose was the first to notice what others missed.

Inside an old convenience store whose glass front had shattered long ago, she crouched near a broken shelf and called out excitedly after spotting another hidden supply case pushed beneath a fallen metal rack. Tyler and the others immediately moved in. When the lid was forced open, they found equipment far better than anything they had collected earlier— reinforced vests, fresh magazines, two upgraded rifles, heavier gloves, and armored knee guards designed for battlefield movement rather than survival games.

Even Old Man Rudd let out a low whistle.

"Little rose is really good at finding things." he muttered while lifting one of the vests.

They changed equipment quickly because none of them trusted how long they could stay in one place. Tansy adjusted her new armor while keeping one eye on the doorway. Rose tested the weight of a rifle and immediately complained that it felt heavier than expected, though she still refused to hand it over. Rudd tightened the straps of his vest over his old body with visible effort, but once finished he still stood upright with surprising steadiness.

Tyler took one armor set and entered a side room after confirming there were no active cameras inside. He closed the door halfway, then allowed the white fabric of his current clothing to loosen. Instead of changing manually, the nanobots hidden through his clothing spread silently across his body and reshaped themselves layer by layer, copying the structure of the armor until it looked almost identical to the one in his hand.

Tansy noticed immediately.

"You are using it again?"

Tyler nodded. "No point carrying extra weight."

Rose looked impressed but slightly frustrated. She and Tansy both possessed nanobot coins now, yet controlling them remained difficult. They could form simple coverings and minor shapes, but nothing smooth enough for combat. Even keeping the nanobots stable on their skin required concentration.

"You make it look easy," Rose muttered.

"It only looks easy because you panic every time it moves," Tyler replied. He suspected the reason he adapted faster was because, in his previous world, he had already spent years controlling objects through mental focus alone. Compared to that, guiding nanobots through thought did not feel entirely unfamiliar. His concentration was naturally sharper than most people’s, and once he understood the response pattern of the nanobots, shaping them became far easier than it should have been.

After leaving the building, Tyler stepped into the street and studied their surroundings again. Tansy had already climbed to the roof and lay flat near the edge, watching both ends of the road through a broken signboard frame. Old Man Rudd stood below near the corner, pretending to rest while actually observing reflections in shattered windows opposite him.

Tyler walked toward the shrinking energy barrier that had been closing steadily around the city. Up close, it looked even stranger— transparent like heated glass, but moving with faint ripples beneath the surface. He took out a knife and carefully pressed its tip against the barrier.

The reaction was immediate.

The metal began dissolving from the point of contact as though the blade had touched invisible acid. The steel softened, glowed faintly, and vanished little by little until half the knife disappeared entirely. Tyler withdrew his hand before the handle reached the same fate.

"So direct contact means instant destruction," he muttered.

The barrier continued moving with complete indifference. 𝑓𝘳𝘦𝑒𝑤𝑒𝘣𝘯ℴ𝘷𝘦𝓁.𝑐𝑜𝑚

That meant they had no choice except to keep moving inward before the shrinking field trapped them.

He turned around and was about to call everyone when something unusual caught his attention.

Two bikes stood abandoned on the road not far ahead, both upright, both with keys still hanging in place as if someone had parked them only moments earlier and walked away.

Tyler narrowed his eyes.

Nothing in this arena appeared without purpose.

Still, transport mattered more than suspicion.

At almost the same time, on another side of the arena, violence had already broken out.

Victor’s group had reached a gated building occupied by another surviving team. One of the men from Victor’s side stepped forward and shouted toward the barricaded entrance.

"Everyone inside listen! Come out now! Our Boss wants to see you all! If you don’t come out on your own, don’t blame me if things get rough!"

A voice answered from inside immediately.

"Scram! No one enters here!"

Their leader— the man everyone in Victor’s team simply called Boss —gave a cold smile and motioned toward three armed men beside him.

"Smash it."

One man launched a compact fire charge directly at the gate lock. The metal exploded outward with a heavy boom, and before the smoke cleared, another kicked the damaged gate open.

Inside, someone had prepared for that exact moment.

A man lying behind cover with a type 79 submachine gun pulled the trigger the instant the opening appeared. Bullets tore through the entrance in a streak of fire. Two attackers fell almost instantly— one dead before he hit the floor, the other screaming after being shot through the leg.

Victor instinctively crouched and rolled sideways.

Another gunman inside shifted position for a better angle.

Victor saw him rise.

The man hesitated for only a fraction of a second after noticing Victor’s age.

That hesitation cost him everything.

Victor snatched a fallen weapon, raised it clumsily, and fired.

The bullet struck before the other man fully reacted.

Inside the building, panic collapsed quickly into gunfire and shouting. Within moments the defenders were dead or unable to resist.

When silence returned, Boss looked around with satisfaction.

"That’s great," he said, smiling. "A whole team gone."

Then his expression shifted when he looked at his own wounded men.

"You two stay here. We’ll find medicine."

The injured men nodded gratefully, believing they would be helped.

Victor followed Boss and another teammate deeper into nearby buildings.

One of them soon found a copper-colored medical injector.

"I found this. Don’t know if it’s useful."

Boss took it, examined it briefly, then glanced toward Victor, who searched another room.

When Victor moved out of hearing range, Boss spoke quietly.

"We’re not going back."

The other man froze.

"They’ll slow us down."

After a brief pause, he nodded.

Meanwhile Victor found another injector himself. His shoulder still hurt from earlier recoil and impact, so without hesitation he pressed the device against his wound and activated it. The copper liquid entered his body with a sting, dulling pain almost immediately.

---

Far away from that betrayal, Tyler’s group had already taken the two abandoned bikes.

Tyler drove the first with Old Man Rudd behind him. Tansy rode the second while Rose held tightly from behind.

The reason became obvious less than a minute later.

A mechanical creature burst from a collapsed side street and came after them.

It had the length of a giant snake, but its body was armored in overlapping metal segments. Its head resembled a scorpion merged with a drilling machine, and its tail curved upward like a hooked blade.

It moved terrifyingly fast.

The machine tore across cracked asphalt, smashing debris aside as it chased them through the city.

Tyler pushed the bike harder through narrow roads while Rudd gripped his shoulders and shouted directions whenever a turn appeared.

Behind them, Tansy leaned low over the bike to reduce drag while Rose nearly lost balance twice trying to look back at the monster.

They crossed ruined intersections, passed broken statues, and finally entered an old stadium through a collapsed outer gate.

The sound of engines echoed through the hollow structure.

Then, without warning, the ground behind them exploded.

The giant mechanical serpent gave a metallic shriek as something beneath the earth seized it violently and dragged it downward.

The force was so sudden that its tail vanished beneath shattered concrete before the riders fully understood what happened.

Tyler braked hard near the inner track. Tansy stopped beside him.

All four turned toward the center of the stadium.

The bikes idled beneath them, engines humming in uneven rhythm.

But the sound that followed was worse than the chase.

From the broken field where the mechanical serpent had disappeared came a slow, wet chewing noise— heavy, deliberate, and unmistakably alive.

No machine made a sound like that.

And whatever was below had just eaten something built from steel.

"Yeah, we really should run," Tyler said, breaking the uneasy silence that had settled over the stadium.

No one argued. Tansy immediately turned her bike around while Tyler twisted the accelerator on his own. Both motorcycles roared back to life and shot forward without hesitation, old man Rudd gripping tightly behind Tyler while Rose held onto her sister as they sped toward the stadium exit.

In their urgency, none of them noticed the small blue fragments that had stuck to the wheels when they stopped near the broken ground. The pieces clung quietly to the rubber, almost like wet gel, faintly glowing whenever the wheels turned.

Behind them, the massive pit in the stadium floor stirred again. Something blue slowly rose upward from the darkness below after finishing its heavy meal.