Run: 2026-03-18-01KM0AMFMKRK2BYPD8HN067A62

Run Details

Duration:
18.1s
Cost:
$0.001257
Provider:
Mistral

Model input

System
You are an expert novelist with a gift for vivid, immersive prose. You write in tight third-person limited point of view with a strong narrative voice. Your prose is clean, precise, and engaging — you favor strong verbs, concrete details, and natural-sounding dialogue. You will be given a story bible (codex) containing canonical details about characters, locations, items, and lore. Use these details to ground your writing in the established world. Stay consistent with the codex. Write only the prose of the scene. Do not include titles, chapter headings, markdown formatting, or any commentary before or after the scene.
User/Human
<codex> <character id="4412" name="Aurora Carter" aliases="Rory, Laila, Aurora, Carter, Malphora" pronouns="she/her" species="Human" storyRole="Protagonist"> <eyeColor>bright blue</eyeColor> <hair>straight shoulder-length black</hair> <height>5'6"</height> <age>25</age> <scar>small crescent-shaped scar on her left wrist from a childhood accident</scar> <description>Aurora, referred to by her friends as Rory, is cool-headed, intelligent, and known for quick out-of-the-box thinking.</description> <backstory>Born in Cardiff to an Irish barrister father (Brendan Carter) and Welsh teacher mother (Jennifer Carter née Ellis), Rory reluctantly pursued Pre-Law at Cardiff University. She fled to London at the behest of her childhood friend Eva after leaving an abusive ex named Evan. By day, Rory works part-time as a delivery person for Yu-Fei Cheung's Golden Empress restaurant. She lives in a flat above Silas' bar.</backstory> </character> <location id="861" name="The Fae Grove" aliases="Isolde's grove, Richmond grove, the Grove" realm="Earth (Fae-touched)"> <parkLocation>Richmond Park</parkLocation> <standingStones>ancient oak standing stones mark the boundary</standingStones> <timeBehavior>time moves differently — an hour inside can be minutes or days outside</timeBehavior> <flora>wildflowers bloom year-round</flora> <description>A hidden clearing that exists in a pocket between Earth and the Fae realm.</description> </location> <item id="2001" name="Heartstone Pendant" aliases="the pendant, Heartstone" type="Artifact" origin="Dymas"> <gemstoneColor>deep crimson</gemstoneColor> <chainMaterial>silver chain</chainMaterial> <size>roughly the size of a thumbnail</size> <behavior>pulses faintly with warmth when near a Hel portal</behavior> <glow>faint inner glow</glow> <description>Given to Aurora by an unknown benefactor.</description> </item> </codex> Write a fully fleshed out scene of at least 1000 words in the horror genre. A character is alone in a strange, isolated place at night. They came here for a reason, but something feels off from the moment they arrive. The wrongness builds slowly — sounds that shouldn't be there, things that move at the edge of vision, a growing certainty that they are not alone. Build tension through restraint, not through gore. Use the codex entries above as your world reference for the character and setting. Only include the prose of the scene without any markdown or commentary.

Model response

AI
The engine’s cough turned to silence. Rory killed the headlights without thinking and sat in the dark, the tick of metal cooling in the engine bay the only sound left. The lane had narrowed to a dirt track before it vanished entirely, swallowed by bracken and bramble. She hadn’t been down this stretch in years—last autumn, maybe, when she’d tried to find Eva after that text message about ‘root things.’ Eva had sent three more after that one. Each shorter than the last. The last just a single word: *Lost.* Rory exhaled, pushing the door open. It groaned against damp hinges, then stuck halfway, like the air itself was heavy. The scent of rain-soaked earth and crushed fern rose from the ground. A thick mist clung to the verge, curling around her ankles as she stepped out. Her headlamp beam sliced through it, fracturing the gloom into silvered threads. She lifted the lamp higher, sweeping it over the trees. Their trunks were too pale, too smooth, no bark, no lichen, just bleached columns rising from the dark. She shook her head. No lichen in October. Not here. Not in Richmond Park. Her boot caught on something jagged. She stumbled, caught herself on the bonnet. Below the car’s undercarriage, half-buried in the mud, lay a silver chain. She knelt, wiped the dirt with her thumb. Engraved along it: tiny vines, thorned, biting into one another. She didn’t remember buying anything like it—ever. But her mind supplied an image with startling clarity: Eva’s hands lifting it out of a velvet box on Rory’s birthday, two years ago. “For luck,” Eva had whispered. “It chooses you.” A high, thin note sounded—like a child’s scream cut short. Rory snapped upright. The beam quivered in her grip. Nothing moved. No birds. No rustle of leaves. Only the sound of her own breath, too loud. She reached for her phone. No signal. Of course. She swallowed. Eva was in danger. That’s why she’d come. But danger meant danger. Not absence of birds. Not silence where sound should hum. Another sound came—a child’s giggle, soft and wet, from the trees straight ahead. Her pulse hammered in her throat. She clicked the lamp off. In the dark, the mist thickened. She could still see the trees though—pale, smooth columns rising from nothing. A shape moved in the gaps between them. Small. Too small. Shrubs rustled. A twig snapped. The giggle came again, closer this time, wetter. Rory stepped back, heel sinking into soft earth. The mist wrapped around her calves, cold as a corpse. The lamp flickered. She thumbed the switch. The beam returned, weaker now, battery draining like her thoughts. At the edge of the light, something shifted. A low, rhythmic sound pulsed through the ground—like a heartbeat beneath soil. She swung the beam toward it. In the mist, a child stood. Or what looked like one. Too tall for a child. Too still. Wearing something white that clung to its limbs. Its hair hung in long, black strands, straight and unmoving, though Rory felt a breeze that didn’t touch her skin. Its eyes were black. Not pupils. Not irises. Just black, wet, pulsing like oil. It opened its mouth. “Rory,” it said. Not Eva’s voice. Not human. Something mimicking speech through a mouthful of wrong. There was no breath. No warmth in the words. They came from inside her skull. She stumbled back, heel catching again. The pendant beneath her shirt thrummed. Not warmth. Cold. Like a corpse heartbeat. The thing took a step forward. Its feet made no sound. Rory’s fingers closed around the chain beneath her shirt. The Heartstone was warm now—almost hot. The moment her skin touched it, the mist around the figure parted, recoiled, like it feared it. The pendant burned. The child-thing’s face twisted. Its jaw unhinged. Something dark and glistening protruded from its throat—a root, thick as her wrist, knotted with thorns. It twitched. The root curled toward her like a finger. She wrenched the pendant free. Light erupted. Not the weak white of her lamp, but crimson, deep as fresh blood, pulsing in time with the pendant’s rhythm. The mist screamed—high, wordless—and the figure recoiled, limbs folding like broken branches. The roots retracted with a wet sound. The thing fell, dissolving into the dark like ink in water. Silence returned. The air smelled of iron and damp rot. Rory’s hands shook. The pendant’s glow faded to a dull ember. She tucked it back under her shirt, lifting the lamp again. The trees were just trees now. Thorny. Dark-barked. Normal. She exhaled. Rationalized. Stress. Sleep deprivation. All of it. But then she heard it—a child’s sob, muffled, from somewhere deeper in the wood. Not laughter. Not mimicry. Real. Rory stepped forward, boots sinking into earth that felt too soft, too yielding. The sob came again. A girl’s voice. Eva’s voice. “Eva?” No answer. She moved faster, lamp beam cutting ahead. The trees grew denser. The ground sloped upward. The sobbing stopped. The mist thickened again. Then she saw it—a ring of standing stones, pale gray, slick with moisture. Between them, standing upright like a grave marker, was a figure wrapped in ivy and white cloth. Its head lolled forward. Eva. Rory sprinted forward, slipping on wet moss. Eva’s wrists were bound with thorned vines. Her eyes were open. Fixed. Black veins spread from her lips like cracks in porcelain. Her chest didn’t rise. “Eva!” Rory dropped to her knees, fumbling with the vines. They didn’t cut, but clung like bone to skin. Eva’s skin was ice-cold. A laugh came from above. Not from the girl. From behind the stones. “Welcome,” the voice whispered. Rory spun, lamp swinging. Nothing there. Then the ground beneath her shifted. She sank into it, boots disappearing up to the ankles. The earth was warm now. Breathing. The pendant glowed brighter. Between the stones, Eva’s hand twitched. Her fingers curled. Her lips parted. “Rory,” Eva said. Her voice was thick, wet. Her eyes were entirely black. Rory recoiled. Scrambled back. The earth held her calf like a hand. The laughter came again—from everywhere. From nowhere. The pendant pulsed. Not in time with her heart. Slow. Deliberate. Like a countdown. The boy from before stood at the edge of the ring. Only now he wasn’t a boy. His limbs were longer. His head too large for his body. His mouth stretched too wide. The thorn-root curled from his throat, dripping black sap. “She called you,” he said. “And you came.” Rory’s breath came in short gasps. Her fingers found the pendant. It burned her palm. Blood welled where the silver bit into skin. Eva’s head turned. Her black eyes fixed on Rory. “Help me,” Eva whispered. Her lips didn’t move. Rory shook her head. The pendant’s glow surged, crimson and hot. The ground released her leg with a wet sigh. She stood, backed away. The boy smiled. His teeth were small, too many. “You can’t leave,” he said. “Not without her.” The mist swirled. From the trees, shapes emerged—small, pale, their limbs too long, their faces blank. They walked without sound. One held a silver chain, swaying gently. A child’s giggle. The pendant’s glow steadied. Steady. Not flickering. Rory’s mind blanked. Or filled. With a memory that wasn’t hers— A younger Eva, beneath these very trees, her hand outstretched, pressing a silver chain into Rory’s palm in the dark. “Now you’ll remember,” Eva had said. And Rory had. Everything. The truth rushed into her like cold water—Eva had always known this place existed. Had always played in the groove between realms. Had always called things that answered. The ring of stones pulsed with inner light, like a heartbeat. Eva’s laughter echoed through the grove—not from one mouth, but from them all. The pendant’s gemstone flared. Hotter. Brighter. Rory looked down at the chain in her hands. It wasn’t silver. It was thorn. The things in the mist stepped closer. Their hands were children’s hands. But their eyes were black. And they were smiling. Rory closed her fingers around the pendant. The world went red.
created_at"2026-03-18T11:17:30.4Z" 3/18/2026, 11:17:30 AM
model"mistralai/mistral-small-2603" 1/1/2603, 12:00:00 AM
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency601
moderation_latency(null)
generation_time18055
tokens_prompt812
tokens_completion2192
native_tokens_prompt776
native_tokens_completion1901
native_tokens_completion_images(null)
native_tokens_reasoning0
native_tokens_cached0
num_media_prompt(null)
num_input_audio_prompt(null)
num_media_completion0
num_search_results(null)
origin"https://ncbench.com/"
is_byokfalse
finish_reason"stop"
native_finish_reason"stop"
usage0.001257
router(null)
provider_responses
0
endpoint_id"f5ed6283-4e17-457d-98cd-2ec0c318171d"
id"c6c57cd3eb924c51bea4a725cd07f000"
is_byokfalse
latency601
model_permaslug"mistralai/mistral-small-2603" 1/1/2603, 12:00:00 AM
provider_name"Mistral"
status200
user_agent"langchainjs-openai/1.0.0 ((node/v24.14.0; linux; x64))"
http_referer(null)
api_type"completions"
id"gen-1773832650-tnOAfuEpc4aPS6aEHaTn"
upstream_id"c6c57cd3eb924c51bea4a725cd07f000"
total_cost0.001257
cache_discount(null)
upstream_inference_cost0
provider_name"Mistral"

Evaluation details

Result Evaluator Details Meta Data
100.00% Adverbs in dialogue tags
Target: ≤10% dialogue tags with adverbs
totalTags10
adverbTagCount0
adverbTags(empty)
dialogueSentences13
tagDensity0.769
leniency1
rawRatio0
effectiveRatio0
92.65% AI-ism adverb frequency
Target: <2% AI-ism adverbs (58 tracked)
wordCount1361
totalAiIsmAdverbs2
found
0
adverb"gently"
count1
1
adverb"very"
count1
highlights
0"gently"
1"very"
100.00% AI-ism character names
Target: 0 AI-default names (17 tracked, −20% each)
codexExemptions(empty)
found(empty)
100.00% AI-ism location names
Target: 0 AI-default location names (33 tracked, −20% each)
codexExemptions(empty)
found(empty)
33.87% AI-ism word frequency
Target: <2% AI-ism words (290 tracked)
wordCount1361
totalAiIsms18
found
0
word"silence"
count3
1
word"gloom"
count1
2
word"velvet"
count1
3
word"quivered"
count1
4
word"pulse"
count1
5
word"flickered"
count1
6
word"rhythmic"
count1
7
word"pulsed"
count3
8
word"warmth"
count2
9
word"glistening"
count1
10
word"grave"
count1
11
word"porcelain"
count1
12
word"echoed"
count1
highlights
0"silence"
1"gloom"
2"velvet"
3"quivered"
4"pulse"
5"flickered"
6"rhythmic"
7"pulsed"
8"warmth"
9"glistening"
10"grave"
11"porcelain"
12"echoed"
100.00% Cliché density
Target: ≤1 cliche(s) per 800-word window
totalCliches0
maxInWindow0
found(empty)
highlights(empty)
100.00% Emotion telling (show vs. tell)
Target: ≤3% sentences with emotion telling
emotionTells0
narrationSentences222
matches(empty)
100.00% Filter word density
Target: ≤3% sentences with filter/hedge words
filterCount0
hedgeCount1
narrationSentences222
filterMatches(empty)
hedgeMatches
0"tried to"
100.00% Gibberish response detection
Target: ≤1% gibberish-like sentences (hard fail if a sentence exceeds 800 words)
analyzedSentences226
gibberishSentences0
adjustedGibberishSentences0
longSentenceCount0
runOnParagraphCount0
giantParagraphCount0
wordSaladCount0
repetitionLoopCount0
controlTokenCount0
maxSentenceWordsSeen32
ratio0
matches(empty)
100.00% Markdown formatting overuse
Target: ≤5% words in markdown formatting
markdownSpans1
markdownWords1
totalWords1347
ratio0.001
matches
0"Lost."
100.00% Missing dialogue indicators (quotation marks)
Target: ≤10% speech attributions without quotation marks
totalAttributions6
unquotedAttributions0
matches(empty)
66.67% Name drop frequency
Target: ≤1.0 per-name mentions per 100 words
totalMentions42
wordCount1310
uniqueNames6
maxNameDensity1.6
worstName"Rory"
maxWindowNameDensity3
worstWindowName"Eva"
discoveredNames
Eva17
Rory21
October1
Richmond1
Park1
Heartstone1
persons
0"Eva"
1"Rory"
places
0"October"
1"Richmond"
2"Park"
globalScore0.698
windowScore0.667
100.00% Narrator intent-glossing
Target: ≤2% narration sentences with intent-glossing patterns
analyzedSentences94
glossingSentenceCount0
matches(empty)
51.52% "Not X but Y" pattern overuse
Target: ≤1 "not X but Y" per 1000 words
totalMatches2
per1kWords1.485
wordCount1347
matches
0"Not the weak white of her lamp, but crimson, deep as fresh blood, pulsing in time with the penda"
1"not from one mouth, but from them all"
100.00% Overuse of "that" (subordinate clause padding)
Target: ≤2% sentences with "that" clauses
thatCount0
totalSentences226
matches(empty)
100.00% Paragraph length variance
Target: CV ≥0.5 for paragraph word counts
totalParagraphs81
mean16.63
std18.2
cv1.094
sampleLengths
090
187
214
382
436
57
62
724
813
96
1023
1124
1218
133
1434
156
166
1758
1816
1915
2019
2111
2232
233
2433
255
2652
2710
2831
2923
304
311
3222
331
342
3522
3634
371
3833
3923
4013
414
424
432
4422
454
4612
473
4810
4912
100.00% Passive voice overuse
Target: ≤2% passive sentences
passiveCount1
totalSentences222
matches
0"were bound"
100.00% Past progressive (was/were + -ing) overuse
Target: ≤2% past progressive verbs
pastProgressiveCount0
totalVerbs242
matches(empty)
0.00% Em-dash & semicolon overuse
Target: ≤2% sentences with em-dashes/semicolons
emDashCount17
semicolonCount0
flaggedSentences16
totalSentences226
ratio0.071
matches
0"She hadn’t been down this stretch in years—last autumn, maybe, when she’d tried to find Eva after that text message about ‘root things.’ Eva had sent three more after that one."
1"She didn’t remember buying anything like it—ever."
2"A high, thin note sounded—like a child’s scream cut short."
3"Another sound came—a child’s giggle, soft and wet, from the trees straight ahead."
4"She could still see the trees though—pale, smooth columns rising from nothing."
5"A low, rhythmic sound pulsed through the ground—like a heartbeat beneath soil."
6"The Heartstone was warm now—almost hot."
7"Something dark and glistening protruded from its throat—a root, thick as her wrist, knotted with thorns."
8"The mist screamed—high, wordless—and the figure recoiled, limbs folding like broken branches."
9"But then she heard it—a child’s sob, muffled, from somewhere deeper in the wood."
10"Then she saw it—a ring of standing stones, pale gray, slick with moisture."
11"The laughter came again—from everywhere."
12"From the trees, shapes emerged—small, pale, their limbs too long, their faces blank."
13"With a memory that wasn’t hers—"
14"The truth rushed into her like cold water—Eva had always known this place existed."
15"Eva’s laughter echoed through the grove—not from one mouth, but from them all."
94.44% Purple prose (modifier overload)
Target: <4% adverbs, <2% -ly adverbs, no adj stacking
wordCount75
adjectiveStacks0
stackExamples(empty)
adverbCount3
adverbRatio0.04
lyAdverbCount2
lyAdverbRatio0.02666666666666667
100.00% Repeated phrase echo
Target: ≤20% sentences with echoes (window: 2)
totalSentences226
echoCount0
echoWords(empty)
100.00% Sentence length variance
Target: CV ≥0.4 for sentence word counts
totalSentences226
mean5.96
std4.64
cv0.778
sampleLengths
06
124
217
331
45
57
66
714
812
915
1012
1110
1218
134
144
152
164
176
187
1912
208
2110
227
2324
245
253
2610
273
286
292
302
314
329
335
342
352
362
374
384
394
404
416
4213
436
445
456
4612
478
481
492
38.50% Sentence opener variety
Target: ≥60% unique sentence openers
consecutiveRepeats26
diversityRatio0.29646017699115046
totalSentences226
uniqueOpeners67
100.00% Adverb-first sentence starts
Target: ≥3% sentences starting with an adverb
adverbCount6
totalSentences172
matches
0"Only the sound of her"
1"Too tall for a child."
2"Just black, wet, pulsing like"
3"Then she saw it—a ring"
4"Then the ground beneath her"
5"Only now he wasn’t a"
ratio0.035
100.00% Pronoun-first sentence starts
Target: ≤30% sentences starting with a pronoun
pronounCount48
totalSentences172
matches
0"She hadn’t been down this"
1"It groaned against damp hinges,"
2"Her headlamp beam sliced through"
3"She lifted the lamp higher,"
4"Their trunks were too pale,"
5"She shook her head."
6"Her boot caught on something"
7"She stumbled, caught herself on"
8"She knelt, wiped the dirt"
9"She didn’t remember buying anything"
10"She reached for her phone."
11"Her pulse hammered in her"
12"She clicked the lamp off."
13"She could still see the"
14"She thumbed the switch."
15"She swung the beam toward"
16"Its hair hung in long,"
17"Its eyes were black."
18"It opened its mouth."
19"They came from inside her"
ratio0.279
82.09% Subject-first sentence starts
Target: ≤72% sentences starting with a subject
subjectCount130
totalSentences172
matches
0"The engine’s cough turned to"
1"Rory killed the headlights without"
2"The lane had narrowed to"
3"She hadn’t been down this"
4"Each shorter than the last."
5"The last just a single"
6"Rory exhaled, pushing the door"
7"It groaned against damp hinges,"
8"The scent of rain-soaked earth"
9"A thick mist clung to"
10"Her headlamp beam sliced through"
11"She lifted the lamp higher,"
12"Their trunks were too pale,"
13"She shook her head."
14"Her boot caught on something"
15"She stumbled, caught herself on"
16"She knelt, wiped the dirt"
17"She didn’t remember buying anything"
18"Eva had whispered"
19"A high, thin note sounded—like"
ratio0.756
0.00% Subordinate conjunction sentence starts
Target: ≥2% sentences starting with a subordinating conjunction
subConjCount0
totalSentences172
matches(empty)
ratio0
100.00% Technical jargon density
Target: ≤6% sentences with technical-jargon patterns
analyzedSentences37
technicalSentenceCount1
matches
0"Its hair hung in long, black strands, straight and unmoving, though Rory felt a breeze that didn’t touch her skin."
100.00% Useless dialogue additions
Target: ≤5% dialogue tags with trailing filler fragments
totalTags10
uselessAdditionCount0
matches(empty)
0.00% Dialogue tag variety (said vs. fancy)
Target: ≤10% fancy dialogue tags
totalTags6
fancyCount2
fancyTags
0"the voice whispered (whisper)"
1"Eva whispered (whisper)"
dialogueSentences13
tagDensity0.462
leniency0.923
rawRatio0.333
effectiveRatio0.308
81.9915%