It wasn’t merely the absence of warmth.
It was a cold so ancient that it seemed to have seeped into the stone over countless ages, waiting patiently for something living to awaken beneath its weight.
It clung to Kael’s skin, crept into his bones, and settled deep inside his chest.
For a long time, he couldn’t remember who he was.
Thoughts drifted through darkness like broken pieces of shattered glass.
None stayed long enough to form a complete memory.
A cluttered apartment.
A half-finished notebook covered in diagrams of cells and genetic structures.
The soft glow of computer screens illuminating sleepless nights.
The thunder of collapsing concrete.
An unbearable pain.
Silence.
Then…
His eyes opened.
The world greeted him in shades of silver.
The cavern stretched endlessly in every direction, illuminated by pale veins of crystal growing naturally through the walls.
Their ghostly light barely pushed back the darkness, leaving the deeper tunnels swallowed by blackness that even his strange vision couldn’t fully penetrate.
For several moments, Kael simply breathed.
The air was damp and carried an unfamiliar scent.
Wet stone.
Minerals.
Faint traces of blood.
Something rotten hidden somewhere far away.
His lungs expanded instinctively.
The smell unfolded into countless layers.
He could distinguish fresh water from stagnant pools without seeing either.
He could smell insects hiding beneath loose rocks.
He could even detect tiny creatures crawling somewhere beyond the nearest tunnel.
The information arrived so naturally that it frightened him.
He hadn’t searched for it.
His body had.
His breathing became uneven.
“…I’m alive?” The words never came.
Only a dry clicking sound escaped his throat.
His own voice startled him.
It didn’t sound human.
Panic spread through him.
He tried to sit upright.
Instead, his body lurched sideways, sending him rolling across the uneven cavern floor.
Sharp claws scraped against stone, stopping his fall.
Kael froze.
Claws.
Very slowly…
He looked downward.
Four gray limbs rested beneath him.
Not arms.
Not legs.
Limbs.
Lean muscles shifted beneath pale skin that looked almost colorless beneath the silver light.
Long white claws extended naturally from each finger, gleaming like polished ivory.
His heartbeat accelerated.
No…
This wasn’t possible.
He flexed one claw.
It obeyed immediately.
He lifted another.
Perfect control.
Not only did the movements feel natural…
They felt familiar.
That realization terrified him far more than the claws themselves.
He remembered struggling to learn how to ride a bicycle as a child.
He remembered burning his fingers while learning to cook.
He remembered awkwardly learning to type quickly enough to keep pace with his thoughts.
Every new skill had once required practice.
This body required none.
It already knew itself.
His stomach tightened.
Kael forced himself toward the nearest pool of water.
Each movement felt awkward because his human mind kept trying to walk upright while instincts older than thought pulled his weight onto all four limbs.
After several embarrassing attempts, he stopped resisting.
The difference was immediate.
His body flowed effortlessly across the stone.
Every muscle worked together naturally.
His tail shifted behind him without conscious thought, balancing each step.
Tail.
The word struck him.
Tail?
He turned sharply.
A long gray tail lay behind him, slowly swaying from side to side.
It moved before he consciously commanded it.
His breathing quickened.
“No…” Again, only clicks emerged.
He reached the pool.
Still water reflected the pale crystals overhead.
For several seconds, ripples distorted the image.
Then the surface became perfectly calm.
Something stared back.
A creature roughly the size of a young wolf.
Its body was built low to the ground, every muscle compact and efficient.
Smooth gray skin covered powerful shoulders and lean limbs.
White bone naturally emerged from both forearms, forming curved blades almost as long as a human hand.
Its face…
Its face wasn’t truly animal.
Nor was it human.
An elongated skull gave it a predatory appearance, but the silver eyes looking back at him held unmistakable intelligence.
His intelligence.
The creature blinked.
Kael blinked.
The reflection copied him perfectly.
He stumbled backward so violently that he fell onto the stone.
The pool shattered into ripples once again.
His breathing came faster now.
His thoughts raced.
He remembered dying.
He remembered every detail.
The apartment building.
The collapsing ceiling.
The impossible weight crushing his body.
The certainty that death had arrived.
There had been no miracle.
No hospital.
No rescue workers digging him free.
He had died.
Completely.
Then why…
Why was he here?
He searched desperately for answers.
Was this another planet?
A dream created by a dying brain?
An afterlife?
Nothing fit.
Every explanation sounded absurd.
Yet reality cared nothing for what sounded reasonable.
A distant roar echoed through the cavern.
The sound was unlike anything he had ever heard.
It wasn’t merely loud.
It carried weight.
The vibration reached him through the stone beneath his claws before the echo reached his ears.
Instantly, every muscle in his body tightened.
Hide.
The command appeared inside his mind without words.
Not a voice.
Not a thought.
An instinct.
His body moved before his human mind understood why.
He darted behind a massive stone pillar, pressing himself against its rough surface.
Even his breathing slowed automatically until it became almost impossible to hear.
Kael fought the reaction.
What am I hiding from?
Nothing answered.
The instinct simply remained.
Wait.
Listen.
Do not move.
Heavy footsteps echoed through the cavern.
Each impact sent tiny vibrations through the ground.
Closer.
Closer.
Kael carefully peeked around the edge of the pillar.
At first, he saw nothing.
Then the darkness itself moved.
A massive creature emerged from one of the larger tunnels.
Its body resembled a living boulder.
Layers of black bone armor overlapped across its shoulders and back like jagged stone plates.
Thick forelimbs ended in claws larger than Kael’s entire body.
Most terrifying of all…
It possessed only one eye.
A single crimson eye burned from the center of its skull, glowing softly within the darkness.
The giant predator paused.
Its head lifted.
It sniffed the air.
Kael’s entire body became rigid.
Don’t move.
Don’t breathe.
The predator slowly turned its head.
The crimson eye swept across the cavern.
For one horrifying second…
It stopped in Kael’s direction.
His heart pounded violently.
Surely it could hear it.
Surely— The creature continued walking.
Its heavy footsteps faded deeper into the cave system until only silence remained.
Kael remained frozen for nearly a minute before daring to breathe again.
His body trembled uncontrollably.
He hadn’t consciously chosen to hide.
If he had relied only on his human judgment, he would probably have remained standing beside the pool.
And he would almost certainly be dead.
The realization lingered.
Perhaps these instincts weren’t his enemy.
Perhaps they were the accumulated experience of countless generations encoded into this strange body.
His scientific curiosity stirred despite the fear.
Instinct wasn’t magic.
Even on Earth, animals possessed inherited behaviors.
Newborn sea turtles instinctively crawled toward the ocean.
Birds migrated across continents without maps.
Spiders spun webs without being taught.
Perhaps…
This body simply possessed instincts refined to an unimaginable degree.
His thoughts were interrupted by a violent cramp twisting through his stomach.
Kael gasped.
Another followed.
Then another.
The pain wasn’t sharp.
It was empty.
A hunger unlike anything he had ever experienced spread through every part of his body.
It felt as though millions of tiny mouths had opened beneath his skin, all demanding food at once.
His mouth filled with saliva.
The air changed.
A new scent drifted into the cavern.
Fresh blood.
Warm flesh.
His head turned automatically.
Several meters away, a tiny pale creature emerged from beneath a loose rock.
It resembled a cross between a lizard and a rabbit, its back protected by thin plates of white bone.
It hadn’t noticed him.
It cautiously sniffed the ground, searching for insects hidden between the cracks.
Kael swallowed.
His stomach growled.
No…
He stepped backward.
The little creature continued searching peacefully.
Another step.
Leave.
Find another way.
He had never killed anything larger than a mosquito.
He refused to begin now.
The smell reached him again.
Stronger.
Warmer.
His heartbeat accelerated.
His pupils narrowed.
Without realizing it, his body lowered itself toward the ground.
His claws silently found purchase against the stone.
Every muscle relaxed.
Not from peace.
From preparation.
The little creature finally lifted its head.
Its ears twitched.
It sensed something.
Too late.
Kael exploded forward.
The movement shocked him more than it shocked the prey.
He hadn’t decided to attack.
His body simply acted.
His hind legs pushed against the stone with explosive force, launching him across the cavern.
The distance between predator and prey disappeared in the blink of an eye.
The small creature let out a terrified squeal and spun to flee, but Kael was already above it.
His claws came down.
There was a dull crunch.
Silence returned.
Kael remained frozen where he had landed.
The little creature lay beneath him, motionless.
Fresh blood slowly spread across the stone.
His breathing became ragged.
“No…” The word echoed only inside his mind.
He stumbled backward so violently that he nearly fell.
The tiny corpse remained where it was, lifeless, and Kael stared at it as if expecting it to suddenly stand again.
“I…
killed it.” He had dissected dead animals during biology classes.
He had studied anatomy in books and documentaries.
He had admired the complexity of life from the perspective of a researcher.
Never once had he taken a life with his own hands.
A wave of nausea rose in his stomach.
He turned away, closing his eyes tightly.
This wasn’t him.
This couldn’t be him.
He forced himself to breathe.
One…
Two…
Three…
The smell reached him again.
Warm blood.
Fresh flesh.
The nausea disappeared instantly.
His stomach clenched so hard that pain shot through his entire body.
Saliva pooled beneath his tongue.
Every instinct screamed the same command.
Eat.
Kael staggered backward again.
“No…” His body ignored him.
One step.
Another.
His eyes never left the prey.
His human mind fought desperately.
It was just a small animal.
There had to be another source of food.
Plants.
Mushrooms.
Anything.
His instincts answered with cold certainty.
Meat.
Only meat.
His heartbeat thundered in his ears.
He reached the corpse.
His claws trembled.
For several long seconds, he remained perfectly still.
Then his body lowered its head.
His fangs pierced warm flesh.
The first bite almost made him choke.
His mind screamed in horror.
The taste was rich, metallic, and unlike anything he had imagined.
His instincts rejoiced.
Warmth spread through his empty stomach almost immediately.
The unbearable pain eased.
Strength slowly returned to his exhausted limbs.
Kael forced himself away after only a few mouthfuls.
He staggered several steps before collapsing beside the cavern wall.
His entire body trembled.
Tears gathered in his silver eyes.
“I remembered who I was…” His thoughts felt distant.
“I remembered my parents…” His apartment.
His books.
His dreams.
Everything.
“And I still…” His claws dug into the stone until thin cracks appeared beneath them.
“…ate it.” Silence answered him.
No voice condemned him.
No unseen judge whispered that he had become a monster.
Only the quiet dripping of water echoed through the endless cavern.
Kael lowered his head.
Perhaps survival didn’t care about morality.
A lion didn’t apologize for hunting a deer.
A wolf didn’t question whether it deserved to live.
Nature had never been cruel.
It had simply been indifferent.
The realization brought him no comfort.
Minutes passed before he finally stood again.
The small creature’s body remained where he had left it.
Much of it was untouched.
Kael hesitated.
His stomach no longer hurt.
The urge to continue eating had faded.
He looked toward the deeper tunnels.
The enormous predator had gone that way.
If it returned…
The scent of blood would lead it here.
He didn’t know why he understood that.
He simply did.
Without another thought, Kael dragged the remains of his prey toward a narrow crack hidden beneath fallen stones.
The opening was barely large enough for his body.
He squeezed inside.
The passage twisted sharply before opening into a small hollow just large enough for him to curl up.
Only then did he stop.
His breathing slowly steadied.
This place felt…
Safe.
He examined it carefully.
The floor was dry.
No obvious scent of larger predators lingered here.
Tiny insects crawled through the cracks in the walls, but nothing dangerous.
A den.
The thought surfaced naturally.
Not his den.
An abandoned one.
Still…
Shelter.
Kael settled cautiously against the wall.
Only now did he notice something strange.
His forearm.
The scratches he had received while stumbling across the cavern earlier had already begun fading.
He stared in disbelief.
The shallow wounds slowly closed before his eyes.
Fresh skin formed beneath the drying blood.
Regeneration.
Not instant.
Not miraculous.
But unmistakably faster than any human body could heal.
His scientific curiosity briefly pushed aside his fear.
He gently touched one of the healing cuts.
No pain.
Interesting.
The word appeared automatically.
Even now…
Even after everything…
Part of him still wanted answers more than comfort.
He looked down at his claws.
Bone.
Muscle.
Skin.
Everything functioned together with astonishing efficiency.
This body had evolved for survival in ways Earth had never produced.
The thought lingered until another realization followed.
If he had become this creature…
Then where had it come from?
Surely it hadn’t appeared out of nowhere.
Were there others like him?
A family?
A pack?
Or had he simply awakened inside the body of a creature that already existed?
The questions multiplied faster than he could answer them.
Eventually, exhaustion claimed him.
Kael rested his head against the cold stone and closed his eyes.
He didn’t truly sleep.
Not at first.
Every tiny sound immediately pulled him back to awareness.
A pebble falling somewhere outside.
Water dripping.
The faint scratching of insects beneath the walls.
Hours seemed to pass before his body finally relaxed enough for true sleep to come.
…
A sharp scent woke him instantly.
Kael’s eyes snapped open.
Something was outside.
He remained perfectly still.
His breathing slowed automatically.
The smell reached him again.
Similar to his own…
Yet different.
Another creature.
Smaller.
Young.
Soft footsteps approached the narrow entrance to the abandoned den.
Kael carefully lowered himself toward the ground.
The instinct to hide returned.
A pale head slowly appeared beyond the opening.
Silver eyes.
Gray skin.
Bone claws.
Another one.
The creature couldn’t have been much larger than himself.
It cautiously sniffed the air before taking one uncertain step inside.
Kael remained motionless.
The newcomer finally noticed him.
Their eyes met.
Time seemed to stop.
Neither moved.
Neither attacked.
The young Boneclaw tilted its head curiously.
Kael copied the gesture without thinking.
The other creature blinked.
Then…
To Kael’s complete surprise…
It backed away.
Not in fear.
Respect.
It lowered its head briefly before disappearing into the tunnel.
Kael remained frozen.
“What…
was that?” He didn’t understand.
Why hadn’t it attacked?
Why had it lowered its head?
He crawled toward the entrance.
The tunnel outside was empty.
Only tiny claw prints remained on the damp stone.
Kael stared after them for several long moments.
He wasn’t alone.
Others of his kind existed.
The discovery should have relieved him.
Instead…
It filled him with uncertainty.
If there were many Boneclaws…
Where had they come from?
Did they have parents?
Families?
Could they communicate?
Or were they simply solitary predators forced together by circumstance?
His thoughts were interrupted by another sound.
A deep, echoing roar rolled through the underground world.
Far away.
Yet powerful enough to shake loose dust from the ceiling.
Kael instantly recognized it.
The giant predator.
Every muscle in his body became rigid.
A second roar answered from somewhere much farther away.
Then a third.
Then another.
The cavern system suddenly felt alive.
Predators.
Many of them.
Somewhere in the darkness, an entire ecosystem existed—one ruled not by laws or civilization, but by endless hunting.
Kael slowly looked into the endless black tunnels stretching beyond his shelter.
For the first time since awakening, he understood one undeniable truth.
This world owed him nothing.
There would be no kind stranger to explain where he was.
No mentor waiting to guide him.
No safe village hidden beyond the next hill.
Only darkness.
Only hunger.
Only survival.
Kael took one slow breath before stepping out of the abandoned den.
“If I want to remain myself…” The words never left his mouth.
But they echoed clearly inside his heart.
“…then I have to survive first.” He disappeared into the labyrinth of stone, unaware that high above the endless caverns, beyond layers of rock no Boneclaw had ever crossed, a sky filled with unfamiliar stars stretched over a world that would one day forget his existence entirely.
And somewhere in those endless tunnels, a pair of ancient crimson eyes silently opened.
End of Chapter 2