Run: 2026-09-25-01M3CKDM2CTX0NSSPADWEB46TC

Run Details

Duration:
12.6s
Cost:
$0.012264
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 air in Richmond Park was thick with the scent of damp earth and wildflowers, though Rory knew it was far too late in the year for blooms. She adjusted the strap of her messenger bag, the weight of the Heartstone Pendant a steady, warm pulse against her sternum. The crimson gem had been restless all evening, its faint inner glow flickering like a dying ember. That was why she’d come. The Fae Grove called to her, though she couldn’t say why. The pendant had led her here before, but never at night. Never when the park was a yawning void of shadows and the distant hum of London felt like a world away. The ancient oaks loomed, their gnarled branches twisting into the sky like skeletal fingers. She passed the standing stones—rough-hewn trunks of petrified oak, their surfaces carved with spirals and knots that made her eyes ache if she stared too long. The boundary. A step. Then another. The air shifted, cooler, charged like the moment before a storm. The wildflowers beneath her boots were impossible—vibrant blues and purples, their petals dewy under the moonlight. She exhaled, watching her breath fog in the cold. The Grove always felt like this, suspended in its own time, its own rules. But tonight, it was different. A twig snapped. Rory froze. The sound had come from behind her, but when she turned, there was nothing. Just the standing stones, silent and watchful. She told herself it was the wind, or a fox, or the settling of old wood. But the Grove didn’t have wind. Not like this. Not when the leaves hung still as painted on glass. She pressed on, her boots sinking slightly into the loam. The pendant’s warmth seeped through her shirt, a slow, rhythmic thrum against her skin. It was leading her deeper, toward the heart of the clearing where the oldest oak stood, its trunk wide enough that three people couldn’t have encircled it with their arms. The bark was smooth here, almost polished, as if touched by countless hands over centuries. Then she heard it—a whisper. Not words. Not quite. A sigh, maybe, or the brush of fabric against bark. Rory’s fingers twitched toward the pendant. The glow had brightened, casting a faint red halo through the thin fabric of her shirt. She swallowed. “Hello?” Silence. Then, from the corner of her eye, movement. A flicker of pale light, like a firefly, darting between the trees. She turned her head, but it was gone. Just the shadows, just the— There. A shape. Tall, slender, its edges blurring into the darkness. It stood between the trunks of two oaks, watching her. Rory’s pulse hammered in her throat. She didn’t breathe. Didn’t blink. The shape didn’t move. Didn’t step forward. It was just… there. Like the Grove itself had exhaled and given it form. Rory forced herself to turn away, to keep walking toward the great oak. Her skin prickled, the fine hairs on her arms rising. She could feel it still, that presence, tracking her. Not following. Not yet. Just… observing. The pendant burned hotter. She reached the oak and pressed her palm against the bark. The warmth of the Heartstone pulsed in time with her heartbeat, or maybe the other way around. The tree’s surface was smooth, almost warm to the touch, as if it were alive. As if it were breathing. Then the whispers started again. This time, they were words. Or almost words. A language that slithered at the edges of understanding, like a half-remembered dream. Rory’s stomach twisted. She knew this trick. The Fae loved their games, their riddles, their half-truths. But this wasn’t the Fae. Not like Isolde. Not like the ones she’d met before. This was something else. A cold breath brushed the back of her neck. She spun around. Nothing. Just the empty clearing, the wildflowers, the— The shape was closer now. Close enough that she could see the hollows of its eyes, the way its limbs bent at angles that made her vision swim. It wasn’t human. Had never been human. But it wore the ghost of a smile, a curve of lips that didn’t belong on its face. Rory’s fingers closed around the pendant. The metal was hot now, almost searing. “What do you want?” The thing tilted its head. The whispers coiled around her, pressing against her ears, her skin, her mind. She gritted her teeth. “Say it plainly.” For a moment, she thought it might. Then the whispers sharpened, a sudden, stabbing pain behind her eyes. She gasped, stumbling back against the oak. The bark dug into her spine. The thing—*the thing*—took a step forward. Then another. Rory’s breath came in short, sharp bursts. The pendant was a brand against her chest. She didn’t know what it wanted. Didn’t know what it *was*. But she knew the Grove. Knew its rules. “You’re not welcome here,” she said, voice steadier than she felt. “This is Isolde’s domain.” The whispers hissed, a sound like dry leaves skittering across stone. The thing’s smile widened, stretching too far, too many teeth. Rory’s hand flew to her bag. She didn’t have a weapon. Didn’t have iron or salt or whatever the hell worked against things like this. But she had the pendant. And if the pendant had brought her here, maybe it could get her out. She yanked the chain free, the crimson gem flaring to life in her palm, casting jagged shadows across the clearing. The thing recoiled, its form flickering like a candle in the wind. The whispers became a shriek, a sound that clawed at her ears. Then, silence. The thing was gone. The Grove was still. The pendant’s glow dimmed, its warmth cooling against her skin. Rory didn’t move. Didn’t breathe. She waited. Nothing. She exhaled, long and slow, and slid down the trunk of the oak until she was sitting in the damp earth, the pendant clutched tight in her fist. The wildflowers around her seemed to shiver, though there was no wind. The standing stones in the distance watched, silent and knowing. Rory didn’t know how long she sat there. Time in the Grove was a liar. But eventually, the tension in her shoulders eased. The pendant’s pulse steadied, its glow fading to a dull ember. She stood, brushing the dirt from her jeans. The thing was gone. For now. But as she stepped back toward the standing stones, back toward the world she knew, she couldn’t shake the feeling that the Grove had let her leave. And that it was waiting for her to come back.
created_at"2026-09-25T15:37:23.296Z" 9/25/2026, 3:37:23 PM
model"mistralai/mistral-medium-3.5-20260430"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency414
moderation_latency(null)
generation_time12572
tokens_prompt792
tokens_completion1632
native_tokens_prompt776
native_tokens_completion1480
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)
num_fetches(null)
web_search_engine(null)
origin"https://ncbench.com/"
is_byokfalse
finish_reason"stop"
native_finish_reason"stop"
service_tier"default"
usage0.012264
router(null)
user_agent"langchainjs-openai/1.0.0 ((node/v24.21.0; linux; x64))"
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request_id"req-1790350643-aGRLROwu1PDBWGlelx4E"
session_id(null)
preset_id(null)
api_type"completions"
id"gen-1790350643-ahMoyUJVonGeaxD4IJ1g"
upstream_id"a6631cbb1fdc4270ba908fa3136a2681"
provider_responses
0
endpoint_id"38ef23a9-5cb3-46fa-85ec-7aed174f04eb"
id"a6631cbb1fdc4270ba908fa3136a2681"
is_byokfalse
latency414
model_permaslug"mistralai/mistral-medium-3.5-20260430"
provider_name"Mistral"
status200
total_cost0.012264
cache_discount(null)
upstream_inference_cost0
provider_name"Mistral"
response_cache_source_id(null)
data_region"global"
workspace_id"97e315e5-d303-487d-83c1-83180e8a13d4"

Evaluation details

Result Evaluator Details Meta Data
100.00% Adverbs in dialogue tags
Target: ≤10% dialogue tags with adverbs
totalTags1
adverbTagCount0
adverbTags(empty)
dialogueSentences5
tagDensity0.2
leniency0.4
rawRatio0
effectiveRatio0
95.48% AI-ism adverb frequency
Target: <2% AI-ism adverbs (58 tracked)
wordCount1106
totalAiIsmAdverbs1
found
0
adverb"slightly"
count1
highlights
0"slightly"
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)
14.10% AI-ism word frequency
Target: <2% AI-ism words (290 tracked)
wordCount1106
totalAiIsms19
found
0
word"weight"
count1
1
word"pulse"
count3
2
word"loomed"
count1
3
word"charged"
count1
4
word"warmth"
count3
5
word"rhythmic"
count1
6
word"whisper"
count1
7
word"silence"
count2
8
word"flicker"
count1
9
word"could feel"
count1
10
word"pulsed"
count1
11
word"stomach"
count1
12
word"searing"
count1
13
word"tension"
count1
highlights
0"weight"
1"pulse"
2"loomed"
3"charged"
4"warmth"
5"rhythmic"
6"whisper"
7"silence"
8"flicker"
9"could feel"
10"pulsed"
11"stomach"
12"searing"
13"tension"
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
narrationSentences133
matches(empty)
100.00% Filter word density
Target: ≤3% sentences with filter/hedge words
filterCount0
hedgeCount1
narrationSentences133
filterMatches(empty)
hedgeMatches
0"seemed to"
100.00% Gibberish response detection
Target: ≤1% gibberish-like sentences (hard fail if a sentence exceeds 800 words)
analyzedSentences137
gibberishSentences0
adjustedGibberishSentences0
longSentenceCount0
runOnParagraphCount0
giantParagraphCount0
wordSaladCount0
repetitionLoopCount0
controlTokenCount0
repeatedSegmentCount0
maxSentenceWordsSeen30
ratio0
matches(empty)
100.00% Markdown formatting overuse
Target: ≤5% words in markdown formatting
markdownSpans2
markdownWords3
totalWords1102
ratio0.003
matches
0"the thing"
1"was"
100.00% Missing dialogue indicators (quotation marks)
Target: ≤10% speech attributions without quotation marks
totalAttributions5
unquotedAttributions0
matches(empty)
99.36% Name drop frequency
Target: ≤1.0 per-name mentions per 100 words
totalMentions34
wordCount1086
uniqueNames10
maxNameDensity1.01
worstName"Rory"
maxWindowNameDensity1.5
worstWindowName"Rory"
discoveredNames
Richmond1
Park1
Rory11
Heartstone2
Pendant1
Fae3
Grove8
London1
Isolde1
Didn5
persons
0"Rory"
1"Pendant"
places
0"Richmond"
1"Park"
2"Fae"
3"Grove"
4"London"
globalScore0.994
windowScore1
83.33% Narrator intent-glossing
Target: ≤2% narration sentences with intent-glossing patterns
analyzedSentences75
glossingSentenceCount2
matches
0"felt like a world away"
1"felt like this, suspended in its own ti"
100.00% "Not X but Y" pattern overuse
Target: ≤1 "not X but Y" per 1000 words
totalMatches0
per1kWords0
wordCount1102
matches(empty)
100.00% Overuse of "that" (subordinate clause padding)
Target: ≤2% sentences with "that" clauses
thatCount1
totalSentences137
matches
0"still, that presence"
100.00% Paragraph length variance
Target: CV ≥0.5 for paragraph word counts
totalParagraphs36
mean30.61
std21.91
cv0.716
sampleLengths
071
185
259
33
458
569
65
739
834
932
1021
1138
124
1348
145
1552
164
179
1811
1953
2017
2125
2239
2334
2415
2521
2644
2744
282
2925
301
3150
3234
3314
3427
3510
97.35% Passive voice overuse
Target: ≤2% passive sentences
passiveCount3
totalSentences133
matches
0"was gone"
1"was gone"
2"was gone"
55.07% Past progressive (was/were + -ing) overuse
Target: ≤2% past progressive verbs
pastProgressiveCount4
totalVerbs184
matches
0"was leading"
1"were breathing"
2"was sitting"
3"was waiting"
17.73% Em-dash & semicolon overuse
Target: ≤2% sentences with em-dashes/semicolons
emDashCount8
semicolonCount0
flaggedSentences6
totalSentences137
ratio0.044
matches
0"She passed the standing stones—rough-hewn trunks of petrified oak, their surfaces carved with spirals and knots that made her eyes ache if she stared too long."
1"The wildflowers beneath her boots were impossible—vibrant blues and purples, their petals dewy under the moonlight."
2"Then she heard it—a whisper."
3"Just the shadows, just the—"
4"Just the empty clearing, the wildflowers, the—"
5"The thing—*the thing*—took a step forward."
100.00% Purple prose (modifier overload)
Target: <4% adverbs, <2% -ly adverbs, no adj stacking
wordCount1092
adjectiveStacks0
stackExamples(empty)
adverbCount43
adverbRatio0.039377289377289376
lyAdverbCount3
lyAdverbRatio0.0027472527472527475
100.00% Repeated phrase echo
Target: ≤20% sentences with echoes (window: 2)
totalSentences137
echoCount0
echoWords(empty)
100.00% Sentence length variance
Target: CV ≥0.4 for sentence word counts
totalSentences137
mean8.04
std6.24
cv0.776
sampleLengths
028
121
217
35
411
511
621
714
826
92
102
112
1211
1316
149
1514
165
173
182
1914
207
2116
226
233
2410
2510
2614
2730
2815
295
302
312
3210
336
3416
352
361
371
388
3912
408
415
421
432
448
4510
466
473
482
494
39.78% Sentence opener variety
Target: ≥60% unique sentence openers
consecutiveRepeats14
diversityRatio0.23357664233576642
totalSentences137
uniqueOpeners32
100.00% Adverb-first sentence starts
Target: ≥3% sentences starting with an adverb
adverbCount7
totalSentences110
matches
0"Just the standing stones, silent"
1"Then she heard it—a whisper."
2"Then, from the corner of"
3"Just the shadows, just the—"
4"Then the whispers started again."
5"Just the empty clearing, the"
6"Then the whispers sharpened, a"
ratio0.064
100.00% Pronoun-first sentence starts
Target: ≤30% sentences starting with a pronoun
pronounCount24
totalSentences110
matches
0"She adjusted the strap of"
1"She passed the standing stones—rough—hewn"
2"She exhaled, watching her breath"
3"She told herself it was"
4"She pressed on, her boots"
5"It was leading her deeper,"
6"She turned her head, but"
7"It stood between the trunks"
8"She didn’t breathe."
9"It was just…"
10"Her skin prickled, the fine"
11"She could feel it still,"
12"She reached the oak and"
13"She knew this trick."
14"She spun around."
15"It wasn’t human."
16"She gritted her teeth."
17"She gasped, stumbling back against"
18"She didn’t know what it"
19"she said, voice steadier than"
ratio0.218
100.00% Subject-first sentence starts
Target: ≤72% sentences starting with a subject
subjectCount76
totalSentences110
matches
0"The air in Richmond Park"
1"She adjusted the strap of"
2"The crimson gem had been"
3"That was why she’d come."
4"The Fae Grove called to"
5"The pendant had led her"
6"The ancient oaks loomed, their"
7"She passed the standing stones—rough—hewn"
8"The air shifted, cooler, charged"
9"The wildflowers beneath her boots"
10"She exhaled, watching her breath"
11"The Grove always felt like"
12"A twig snapped."
13"The sound had come from"
14"She told herself it was"
15"She pressed on, her boots"
16"The pendant’s warmth seeped through"
17"It was leading her deeper,"
18"The bark was smooth here,"
19"A sigh, maybe, or the"
ratio0.691
45.45% Subordinate conjunction sentence starts
Target: ≥2% sentences starting with a subordinating conjunction
subConjCount1
totalSentences110
matches
0"As if it were breathing."
ratio0.009
83.33% Technical jargon density
Target: ≤6% sentences with technical-jargon patterns
analyzedSentences48
technicalSentenceCount4
matches
0"She passed the standing stones—rough-hewn trunks of petrified oak, their surfaces carved with spirals and knots that made her eyes ache if she stared too long."
1"A language that slithered at the edges of understanding, like a half-remembered dream."
2"Close enough that she could see the hollows of its eyes, the way its limbs bent at angles that made her vision swim."
3"She yanked the chain free, the crimson gem flaring to life in her palm, casting jagged shadows across the clearing."
0.00% Useless dialogue additions
Target: ≤5% dialogue tags with trailing filler fragments
totalTags1
uselessAdditionCount1
matches
0"she said, voice steadier than she felt"
100.00% Dialogue tag variety (said vs. fancy)
Target: ≤10% fancy dialogue tags
totalTags1
fancyCount0
fancyTags(empty)
dialogueSentences5
tagDensity0.2
leniency0.4
rawRatio0
effectiveRatio0
84.3663%