The tunnel was a throat of absolute darkness, but to Ren’s thermal eyes, it was a map of blue-cold steel and orange-warm pipes. However, as they limped forward, a new anomaly appeared in his vision. At the end of the tracks stood a transit power substation—a large, caged transformer box—that defied the laws of his new sight.

  In the physical world, the substation was humming with a soft, ethereal gold radiance, casting a shimmering rim across the gravel. And in Ren's thermal view, the substation burned with a soft, steady gold. It wasn't "heat," yet it was visible—a divine glitch in the reality of the tunnels.

  Ren tightened his grip on the machete, his boots skidding on the damp stones. "Stop," he rasped, his lungs burning. "Something is wrong with that box."

  Chloe looked at the substation. To her, the fifteen-second window of her [Phototactic Echo] had long since closed, leaving her with only her physical eyes, she saw a miracle. The gold light was warm, inviting, and lacked the jagged, aggressive edge of the Weaver’s UV glow.

  "Ren, it's... it feels different," she whispered. Without waiting for his approval, she took a step forward.

  "Chloe, wait—"

  She crossed the gold rim. The moment her boot touched the gravel inside the boundary, the tension in her shoulders vanished. She stood perfectly still, her eyes darting across the empty air in front of her. To Ren, it looked like she was reading an invisible book, her finger twitching as she scrolled through a hidden interface.

  "It's okay," she said, turning back with a breathless smile. "It's a Safe Zone, Ren. The System... it says we can rest here."

  Ren hesitated, his instinct screaming that nothing in this 'New World' was free. But as he looked at his 6/13 HP and felt the rattling smoke in his chest, he realized he didn't have a choice. He stepped over the golden line.

  The transition was like walking into a different dimension. The smell of rot and ozone vanished, replaced by a sterile, calm atmosphere. Immediately, a gold window—not the usual blue of his personal HUD—expanded in his vision.

  [TEMPORARY MINIATURE MONOLITH: TRANSIT POWER SUBSTATION]

  [DURATION: 5 DAYS]

  Description: This monolith cannot be destroyed or relocated. Monsters cannot cross the perimeter while the monolith is active. Players can interact with the world system for lore and logs not normally available in player systems.

  Ren exhaled, a long, shaky breath that didn't end in a cough. He slumped against the metal cage of the substation, sliding down until he hit the floor.

  As they settled in, Ren began to notice the nuances of his permanent curse. The moment he stepped into the light of the Monolith, he expected his thermal vision to shut off. He had discovered that whenever he struck a match or Chloe lit her sword, the sudden influx of visible light caused his [Phototactic Echo] to retreat, forcing his eyes back to normal. But the Monolith’s glow was different. It was a "World System" light—it didn't register as a heat source or a visual flash. His thermal sight remained wide open, allowing him to see the blue-cold tunnel outside the golden circle while enjoying the safety within.

  Hunger eventually overrode their exhaustion. Ren reached into his bag and pulled out the remaining squirrel he had harvested in the upper tunnels. He built a small, controlled fire using some dry debris and splintered railway ties.

  The narrative has been taken without authorization; if you see it on Amazon, report the incident.

  The moment the first spark caught, Ren’s vision flickered. The thermal world vanished, replaced by the flickering orange glow of the campfire. He blinked, his eyes adjusting to the physical world. It was a relief, a small moment of normalcy, even if it was triggered by a pile of burning trash.

  As the meat sizzled, the silence between them softened. Chloe watched the flames, her face illuminated by the fire.

  "Ren," she said quietly. "Earlier, when I had that thermal sight... I saw your lungs. The puncture wounds. Is that... is that the passive skill you got on the first day?"

  Ren turned the meat over the flame. He didn't look at her. "No. The System doesn't give anything for free. I was dying in a hospital bed when the 'New World' started. The soot, the holes... it’s what keeps me moving, but it’s also what’s eating me."

  Chloe pulled her knees to her chest. "Everything was so normal a few days ago," she whispered. "I was worried about a history test. My parents... they’re overseas in London. I don't even know if they're okay. There was this boy in my class, Mark. He asked me out the day before the stations went dark. I spent three hours picking out an outfit."

  She let out a dry, hollow laugh. "Now I'm covered in bug guts and carrying a magic sword. I don't even remember what color that dress was."

  Ren watched the smoke rise toward the tunnel ceiling. "I spent years in a white room," he said, his voice flat. "Watching a heart monitor and waiting for a transplant that was never coming. When the 'Gacha' started, the machines shut off. People were screaming. I just... I stood up. For the first time in years, I could breathe, even if the air was toxic."

  Ren poked the fire with a piece of scrap metal, his expression softening as he looked at her.

  "London, huh?" he said, a playful glint in his eyes that Chloe hadn't seen before. He looked her up and down, from her soot-stained hoodie to her messy ponytail. "I’m struggling to believe it. Where’s the accent? I was expecting a 'right proper' hello or a complaint about the lack of tea in these tunnels."

  Chloe laughed, a genuine, light sound that bounced off the rusted substation walls. "My parents moved us here when I was six, Ren! The accent didn't stand a chance against public school. Besides, I think the Weaver would’ve been even more offended if I’d screamed at it in British."

  "True," Ren chuckled, his voice sounding less like grinding stones for a moment. "Though it might have paused out of sheer confusion. You could’ve bored it to death talking about the weather or the Queen."

  "Hey! We have better weather than this tunnel, at least," she shot back, nudging his shoulder with her boot.

  Chloe watched the flames, then looked at Ren.

  "Ren? Can I ask something?" she asked, her voice light. "Before all... this. What was your favorite food? Not 'survival' food. Real food."

  Ren blinked, the question catching him off guard. "Pancakes," he said after a pause. "With way too much syrup. The kind that makes your teeth ache."

  Chloe giggled, a sound that felt out of place in the dark tunnel but somehow perfect inside the gold circle.

  "I should have guessed. You seem like someone who needs a sugar rush to stay grumpy. I was a pizza person. Pineapple on it, too."

  Ren made a face. "I take it back. Maybe the monsters should have got us."

  "Hey! It's a classic!" Chloe laughed, then her expression turned softer. She looked at his chest, where the thermal red would be. "Does it hurt when you Lough?"

  Ren turned the meat over the flame. "In here? No. It feels like... like the hospital when they gave me good oxygen. But outside... it’s like breathing through a straw filled with sand."

  He looked at her. "What about you? What was the boy’s name again? The one who asked you out?"

  "Mark," she said, her smile turning a bit wistful. "He was a dork. He played cello in the school band. He was so nervous he dropped his phone when he asked me. I was going to say yes, you know."

  She poked at the fire with a stick. "Sometimes I wonder if he’s in a station somewhere, holding a cello bow like a weapon. I hope he is."

  Ren handed her a piece of the cooked squirrel. "If he's a dork, he's probably survived this long. Dorks are good at following the rules. And the System loves rules."

  "And you?" Chloe started, her voice barely louder than the fire. "You mentioned you had a sister. You said you were doing all of this for her."

  Ren’s hand stilled on his blade. "She’s my older sister," he said, his voice losing its jagged edge. "If I’m a 'Ghost,' she’s the one who kept me from fading away long before the System showed up."

  Chloe leaned in, her chin on her knees. "What was she like?"

  "Brave," Ren said, a genuine smile touching his lips. "When I was in that hospital bed, she worked three jobs to keep the machines running. She’d come in at 2 AM smelling like cheap coffee, but she’d always have a story. She never treated me like a patient. She treated me like a runner at the starting block, just waiting for the race to begin."

  "She sounds like a hero," Chloe whispered.

  "She is. She carried me on her back out of the ward through two flights of stairs when the elevators in the hospital failed. She taught me that survival isn't about strength; it's about refusing to stop moving." He looked at the golden boundary of the Monolith. "She’s out there somewhere, probably staring down a giant of a monster without blinking. The System is probably scared of her."

  Ren looked into the fire. "I'm just trying to make sure that when I find her, she doesn't have to carry me anymore."