[The Frozen Spire – Floor 4: The Whispering Chasm] [Time: 09:30 AM]
Dungeon crawling is 90% walking and 10% sheer terror.
We had cleared Floors 2 and 3 with relative ease. The "Entropy" trick worked on the skeletons (I just vibrated their calcium bonds until they turned to powder), and Seraphina's ice magic handled everything else. We had a rhythm. She pointed, I applied physics, things died.
But Floor 4 was different.
We stood at the edge of a massive canyon. The bottom was lost in a blue mist. Spanning the gap was a single, narrow bridge made of translucent ice, barely wide enough for one person.
The ceiling was covered in thousands of hanging stalactites.
Wait. Not stalactites.
I squinted. They were sleeping bats. White, crystalline bats the size of pit bulls, hanging upside down, their wings wrapped tight.
[Monster: Echo Stalker (A-Rank)] [Status: Dormant] [Trigger: Sound > 10 Decibels] [Description: They are blind. They hunt by echolocation. If you sneeze, they will strip the flesh from your bones in 4 seconds.]
"Don't speak," Seraphina's voice was barely a breath. She pointed to the ceiling.
I nodded.
She pointed at the bridge. It looked fragile.
She took a step forward. Her boot crunched on the snow.
CRUNCH.
Above us, a hundred bats stirred. Wings uncurled. A low, clicking sound filled the air.
Seraphina froze. She looked at me, her eyes wide. The message was clear: The ice is noisy. We can't walk across without waking them.
She started to make hand signs. I can cast a Levitation spell, but it hums. The magic vibration will wake them.
I looked at the bridge. It was about 200 meters long.
[System: You have a choice. Option A: Die screaming. Option B: Use that physics brain of yours. Hint: Destructive Interference.]
I grinned. Finally, high school physics was paying off.
I tapped Seraphina on the shoulder. I put a finger to my lips, then held out my hand.
Trust me, I mouthed.
She hesitated. She looked at the army of sleeping death above us, then at my hand. She took it. Her glove was cold, but her grip was firm.
I closed my eyes and focused on the concept of Sound.
Sound is just a pressure wave moving through air. Peaks and troughs. If you want silence, you don't need to stop the noise at the source. You just need to create an inverted wave. A mirror image.
Peak meets Trough. +1 meets -1. Result: Zero.
[Skill Activated: Wave Cancellation] [Range: 2 Meters] [Mana Cost: Continuous]
I felt the mana drain from my core. A bubble of absolute silence expanded around us.
I stomped my foot on the ground. Hard.
Visually, the ice cracked. Dust flew up. Audibly? Nothing. Not a whisper. It was like watching a movie on mute.
Seraphina's eyes widened. She looked at my foot, then at the sleeping bats. They didn't move.
I gestured to the bridge. After you, your highness.
We started to walk.
It was the most nerve-wracking walk of my life. The bridge groaned and cracked under our weight, visual fractures shooting out like spiderwebs. But no sound escaped my bubble.
We were halfway across when Seraphina slipped.
A patch of black ice caught her boot. She flailed, losing her balance. She fell hard, her armored elbow slamming into the ice bridge.
BANG. (In theory).
In reality: Silence.
She winced, waiting for the screech of the bats. Nothing happened.
I reached down and pulled her up. She was staring at me with a look I hadn't seen before. It wasn't just respect; it was fear.
To a mage, "Silence" is a high-level void spell. It requires suppressing the air itself. To do it continuously while moving? That was Grandmaster-level control.
She didn't know I was just doing math in my head, matching frequencies like a DJ.
[System: 50 meters left. Mana at 30%. Hurry up, DJ Jazzy Jeff.]
We picked up the pace. We reached the far side of the chasm just as my mana sputtered.
I stepped onto solid rock and released the spell.
"Hah..." I gasped, the sound of my own breath rushing back into my ears.
Seraphina leaned against the canyon wall, brushing ice chips off her coat.
"You," she said, her voice shaking slightly. "You can manipulate sound waves too? Entropy and Acoustics?"
"Vibration," I corrected, leaning on my hammer. "Sound is just vibration. Decay is just vibration. Heat is just vibration. It's all the same thing."
"You make it sound simple." She narrowed her eyes. "Who taught you?"
"My dad," I lied smoothly. "He was a... watchmaker. Obsessed with gears and ticking."
She studied me. "You are full of surprises, Janitor. I'm starting to think you're overqualified for carrying bags."
"Does that mean I get a raise?"
"No." She pushed off the wall. "But you get to live."
We walked for another hour until we found a "Safe Room"—a small alcove in the dungeon where monsters couldn't spawn. It was marked by a glowing green rune on the floor.
"We rest here," Seraphina announced. "My mana needs to regenerate before the Sub-Boss on Floor 5."
She sat down and pulled out a thermos. I sat opposite her, chewing on a ration bar that tasted like sawdust and despair.
"Ash," she said suddenly.
"Yeah?"
"Why are you really here?"
The question hung in the cold air.
"I told you. Money."
"No," she shook her head. "Mercenaries do it for money. You... you fight like you have nothing to lose. But you also fight like you're protecting something."
She took a sip of her tea.
"Is it your mother? The one in the hospital?"
My jaw tightened. "Dr. Choi talks too much."
"He didn't tell me," Seraphina said softly. "I saw the hospital bracelet in your pocket when you pulled out your phone earlier. 'Hana'."
She looked down at her cup.
"My mother died in a dungeon break five years ago. She was frozen by a Cryo-Lich. I watched it happen."
The temperature in the room seemed to drop, but it wasn't the magic. It was her.
"That's why I need the Heart of Winter," she whispered. "It's not for power. There's a theory... a rumor... that the Heart can reverse magical frostbite. Even if it's been years."
I stopped chewing.
She wasn't trying to become a god. She was trying to save her mom. Or at least, revive her.
[System: Oh look. The Ice Queen has a tragic backstory. This makes the whole 'Betrayal' arc significantly more awkward.]
I touched the phone in my pocket. The Chairman wanted the Heart. If I gave it to him, I got paid. My mom lived.
If Seraphina kept it, she might save her mom. And I would have a bounty on my head.
"I'm sorry," I said, and I meant it.
"Don't be." She capped the thermos and stood up, her face hardening back into the icy mask. "Empathy is a weakness in a dungeon. Get your gear. Break time is over."
I stood up, grabbing my hammer.
As she walked out of the room, I looked at her back.
Kill her, the text had said.
"Not yet," I muttered to myself. "Not yet."
[End of Chapter 17]