Run: 2026-07-09-01KX40ANF5H5W2A7NN6MHGJT03

Run Details

Duration:
12.9s
Cost:
$0.013960
Provider:
OpenAI

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
Aurora Carter knew Richmond Park well enough to distrust it at night. By day, the park opened wide beneath the sky, all deer tracks and muddy paths, its ancient oaks shouldering against the wind. At night, the darkness gathered differently beneath the branches. It seemed to possess weight. It pressed between the trunks and filled the hollows, leaving the pale gravel paths exposed like bones. She walked beyond them anyway. Her phone flashlight trembled across the ground, catching bracken, roots, the pale undersides of leaves. The battery had been at sixty-three percent when she left the flat. Now it read forty-one, though she had been walking for less than half an hour. That was the first thing she stopped to consider. The second was the silence. Not ordinary silence. Richmond Park was never silent. There should have been foxes moving through the undergrowth, owls calling from the oaks, the distant hush of traffic beyond the park walls. Instead, there was only the muted crunch of her boots and the soft, uneven rhythm of her breathing. Aurora turned in a slow circle. Nothing moved. She was not lost. Not exactly. The directions Eva had given her had been absurdly vague—follow the western path until you see the oak split by lightning, then walk toward the stones—but Aurora had spent twenty-five years making sense of bad instructions. She had found the lightning-split oak. She had found the standing stones. They rose ahead of her, tall and black in the moonlight, arranged in a ragged arc between the trees. Their surfaces were slick with rain despite the dry weather. Lichen silvered their edges. Ancient oaks crowded around them, their roots heaving from the earth like knotted fingers. The Fae Grove lay beyond. Eva had called it a grove, as if Aurora were meeting her in a park. Don’t go alone, Eva had said. Then she had vanished. Aurora touched the pendant at her throat. The Heartstone rested against her sternum, roughly thumbnail-sized, a deep crimson gem hanging from a silver chain. It had arrived in an envelope with no return address three days ago. No note. No explanation. Only the pendant, warm against her palm, with a faint glow at its center like an ember buried under ice. She had meant to show it to Eva. Instead, Eva had called her from a pay phone near Victoria Station, whispering so quickly that Aurora could barely understand her. “Bring it to the Grove.” “Which Grove?” “You know where.” “I absolutely do not.” A pause. Then, very softly: “The stones in Richmond. Don’t let anyone see you cross.” The line had gone dead. Aurora had tried calling back. The number did not exist. She had spent the afternoon convincing herself Eva was frightened, drunk, or being dramatic. Eva had been all three before. But she had also been Aurora’s oldest friend, the person who had dragged her to London after Evan’s final apology became a locked door and a broken lamp. Eva knew exactly how to make Aurora take something seriously. So Aurora had come. She slipped the pendant beneath her sweater and approached the stones. At the boundary, the air changed. It was not colder. The night simply acquired a second layer. The smell of wet earth sharpened, threaded with something sweet and green. Wildflowers bloomed in the spaces between the stones—bluebells, foxgloves, tiny white blossoms Aurora did not recognize. They should not have been flowering in this season. Their heads turned toward her as she passed. Not with the wind. Aurora stopped. A foxglove leaned after her. Her first thought was that she had imagined it. Her second was that imagination had nothing to do with it. She raised her phone. The flashlight flickered once, twice, then steadied. Beyond the stones, the trees opened onto a clearing washed in thin moonlight. Flowers spread through it in impossible abundance, carpeting the ground in violet, gold, and white. Mist hovered just above the grass. The grove looked untouched by the city. It looked untouched by time. Aurora stepped through. The sound of the park vanished behind her. She turned at once. The standing stones remained, but the path beyond them had disappeared. There was only a wall of dense black trees, their branches webbed together overhead. Her pulse gave a hard kick. “Eva?” Her voice traveled across the clearing and came back wrong. Not as an echo. As a whisper. Eva. Aurora held still. Somewhere among the trees, a twig snapped. She told herself it was a deer. Richmond Park was full of them. She had seen herds near the road, gray shapes gliding through the dusk. But this sound had come from the clearing. She swept the light across the flowers. Nothing. The blossoms stood motionless, their stems bent beneath beads of moisture. A moth lifted from the grass, crossed the beam, and vanished. Aurora reached for the pendant again. The stone was warm. Warmer than before. Its faint inner glow pulsed once beneath her fingers. She looked toward the center of the grove. There, beneath an enormous oak, stood a low stone well or shrine. Its rim was black with age. Something had been carved into the front, though the marks were too worn to read. Eva had said to bring it here. She had not said what to do afterward. Aurora took a step. Behind her, something breathed. She spun around. The phone beam cut through empty air. Her heart slammed against her ribs. She stood with one hand clenched around the pendant and the other gripping her phone so tightly her knuckles ached. “Eva?” No answer. The breathing had stopped. A thin wind moved through the flowers. Their heads bowed in a wave, bending away from her. Aurora backed toward the oak. She had learned, during the years with Evan, that panic made a person stupid. It narrowed the world until every decision became an impulse. She forced herself to breathe through her nose. Counted four in, four out. One. Two. Three— Something shifted at the edge of the flashlight beam. Aurora snapped the light toward it. A pale shape stood between two trees. It was too tall to be a person. Too narrow. For one dizzy second she thought it was a birch trunk, but the shape leaned, impossibly, as though listening. Then it slipped behind the tree. Aurora did not move. The phone screen showed 11:47 p.m. She had entered the grove at 11:19. Twenty-eight minutes. It felt like hours. Her scar prickled beneath her sleeve, the small crescent on her left wrist left from a childhood accident. A stupid old superstition surfaced: pain meant the body knew something the mind refused to accept. The pendant pulsed again. This time, a dull red light spread through the clearing. Not bright enough to illuminate anything. Just enough to turn the flowers the color of bruises. A sound came from the shrine. Three soft knocks. Aurora stared at it. The knocks came again. Not from the stone. From beneath it. She should leave. The thought arrived cleanly, practically. She should walk back to the boundary, call the police, call Silas, call anyone. She should never have listened to Eva. But the path behind her was gone. And beneath the shrine, something knocked a third time. Aurora moved forward. The flowers brushed her boots. Their stems were wet, though the air remained dry. As she passed, a few blossoms opened wider, revealing black centers packed with tiny white teeth. She stopped looking at them. The shrine grew larger. It was not a well. It was an altar, a flat slab of stone raised on four squat legs. At its center lay a shallow depression filled with dark water. The water reflected the moon. Aurora leaned closer. Her reflection stared back. Black hair hung straight around her face. Her bright blue eyes looked enormous in the darkness. She wore the same charcoal coat, the same scuffed boots, the same silver pendant. Then her reflection smiled. Aurora did not. She recoiled so quickly she nearly fell. The reflected woman lifted one hand and placed it against the underside of the water’s surface. Her palm pressed upward, distorting the moon into a trembling oval. Aurora’s own hand remained at her side. The reflection mouthed something. Aurora could not hear it. She bent closer despite herself. The words formed slowly. You brought it. A coldness spread from the base of her skull. The pendant burned against her chest. Behind her, the trees began to creak. Not in the wind. There was still no wind. The trunks flexed one after another, bending toward the clearing. The sound passed around her in a slow circle: groan, crack, groan, crack. The reflection’s smile widened. Aurora stepped backward. The thing beneath the altar knocked. Once. Twice. Then it whispered her name. Not Aurora. “Rory.” She froze. Nobody here should have known that name. Eva used it. Silas used it. Her mother used it when she was worried, her father when he was pretending not to be. No one else. The whisper came again from beneath the stone. “Rory.” Aurora closed her fingers around the pendant. The chain bit into her palm. A figure moved behind her reflection. Tall. Pale. Bent at the neck. It leaned over the altar, though nothing stood behind Aurora in the clearing. In the water, the figure’s face hovered beside hers. Its features were blurred, as if seen through oil, but its eyes were perfectly clear. They were bright blue. They belonged to her. The figure raised one long finger and pointed toward the pendant. Aurora understood then why Eva had told her not to come alone. Not because the Grove was dangerous. Because something in the Grove had been waiting for her. The phone died. Darkness swallowed the clearing. Aurora heard the flowers rustle. Heard the trees breathe. Heard the wet scrape of something dragging itself from beneath the altar. She did not run. Running would mean turning her back. Running would mean trusting the path to exist. Instead, she lifted the pendant from her throat. The Heartstone blazed red in her hand. All around the grove, hidden things drew breath. Aurora looked into the dark and said, with a steadiness she did not feel, “Tell me where Eva is.” For a moment, nothing answered. Then, from the black water in the shrine, from the trees, from the flowers at her feet, a hundred voices whispered together. “Behind you.”
created_at"2026-07-09T17:55:37.069Z" 7/9/2026, 5:55:37 PM
model"openai/gpt-5.6-luna-20260709"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency386
moderation_latency(null)
generation_time12611
tokens_prompt812
tokens_completion2828
native_tokens_prompt742
native_tokens_completion2203
native_tokens_completion_images0
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"completed"
service_tier"default"
usage0.01396
router(null)
provider_responses
0
endpoint_id"eebea444-34a5-4642-a766-cb319471d33a"
id"resp_0d3c24c510a556f9016a4fe099215081908f3ef3583bf7a484"
is_byokfalse
latency228
model_permaslug"openai/gpt-5.6-luna-20260709"
provider_name"OpenAI"
status200
user_agent"langchainjs-openai/1.0.0 ((node/v24.18.0; linux; x64))"
http_referer(null)
request_id"req-1783619737-BJi1BrfecyNIpErReXvW"
session_id(null)
preset_id(null)
api_type"completions"
id"gen-1783619737-gNcSlrukE6AJV8jUqoMO"
upstream_id"resp_0d3c24c510a556f9016a4fe099215081908f3ef3583bf7a484"
total_cost0.01396
cache_discount(null)
upstream_inference_cost0
provider_name"OpenAI"
response_cache_source_id(null)
data_region"global"

Evaluation details

Result Evaluator Details Meta Data
100.00% Adverbs in dialogue tags
Target: ≤10% dialogue tags with adverbs
totalTags1
adverbTagCount0
adverbTags(empty)
dialogueSentences11
tagDensity0.091
leniency0.182
rawRatio0
effectiveRatio0
79.97% AI-ism adverb frequency
Target: <2% AI-ism adverbs (58 tracked)
wordCount1747
totalAiIsmAdverbs7
found
0
adverb"quickly"
count2
1
adverb"very"
count1
2
adverb"softly"
count1
3
adverb"tightly"
count1
4
adverb"slowly"
count1
5
adverb"perfectly"
count1
highlights
0"quickly"
1"very"
2"softly"
3"tightly"
4"slowly"
5"perfectly"
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)
62.79% AI-ism word frequency
Target: <2% AI-ism words (290 tracked)
wordCount1747
totalAiIsms13
found
0
word"weight"
count1
1
word"trembled"
count1
2
word"silence"
count2
3
word"sense of"
count1
4
word"absolutely"
count1
5
word"flickered"
count1
6
word"pulse"
count1
7
word"echo"
count1
8
word"whisper"
count2
9
word"pulsed"
count2
highlights
0"weight"
1"trembled"
2"silence"
3"sense of"
4"absolutely"
5"flickered"
6"pulse"
7"echo"
8"whisper"
9"pulsed"
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
emotionTells1
narrationSentences222
matches
0"was worried"
100.00% Filter word density
Target: ≤3% sentences with filter/hedge words
filterCount1
hedgeCount2
narrationSentences222
filterMatches
0"see"
hedgeMatches
0"seemed to"
1"began to"
100.00% Gibberish response detection
Target: ≤1% gibberish-like sentences (hard fail if a sentence exceeds 800 words)
analyzedSentences231
gibberishSentences0
adjustedGibberishSentences0
longSentenceCount0
runOnParagraphCount0
giantParagraphCount0
wordSaladCount0
repetitionLoopCount0
controlTokenCount0
repeatedSegmentCount0
maxSentenceWordsSeen39
ratio0
matches(empty)
100.00% Markdown formatting overuse
Target: ≤5% words in markdown formatting
markdownSpans0
markdownWords0
totalWords1744
ratio0
matches(empty)
100.00% Missing dialogue indicators (quotation marks)
Target: ≤10% speech attributions without quotation marks
totalAttributions2
unquotedAttributions0
matches(empty)
50.00% Name drop frequency
Target: ≤1.0 per-name mentions per 100 words
totalMentions65
wordCount1709
uniqueNames13
maxNameDensity1.87
worstName"Aurora"
maxWindowNameDensity3.5
worstWindowName"Eva"
discoveredNames
Carter1
Richmond3
Park3
Eva13
Aurora32
Fae1
Grove3
Heartstone2
Victoria1
Station1
London1
Evan2
Silas2
persons
0"Carter"
1"Eva"
2"Aurora"
3"Heartstone"
4"Station"
5"Evan"
6"Silas"
places
0"Richmond"
1"Park"
2"Fae"
3"Grove"
4"Victoria"
5"London"
globalScore0.564
windowScore0.5
100.00% Narrator intent-glossing
Target: ≤2% narration sentences with intent-glossing patterns
analyzedSentences128
glossingSentenceCount1
matches
0"as though listening"
100.00% "Not X but Y" pattern overuse
Target: ≤1 "not X but Y" per 1000 words
totalMatches0
per1kWords0
wordCount1744
matches(empty)
100.00% Overuse of "that" (subordinate clause padding)
Target: ≤2% sentences with "that" clauses
thatCount2
totalSentences231
matches
0"was that she"
1"known that name"
100.00% Paragraph length variance
Target: CV ≥0.5 for paragraph word counts
totalParagraphs149
mean11.7
std13.31
cv1.137
sampleLengths
012
153
25
342
49
55
649
76
82
954
1047
115
1215
136
144
157
1654
178
1821
195
202
213
224
2315
245
2510
2658
274
2811
296
3056
314
322
335
3420
3545
3612
373
388
3929
406
411
4210
437
441
453
467
4726
488
4930
97.36% Passive voice overuse
Target: ≤2% passive sentences
passiveCount5
totalSentences222
matches
0"was frightened"
1"been carved"
2"was gone"
3"was worried"
4"were blurred"
100.00% Past progressive (was/were + -ing) overuse
Target: ≤2% past progressive verbs
pastProgressiveCount2
totalVerbs287
matches
0"were meeting"
1"was pretending"
100.00% Em-dash & semicolon overuse
Target: ≤2% sentences with em-dashes/semicolons
emDashCount4
semicolonCount0
flaggedSentences3
totalSentences231
ratio0.013
matches
0"The directions Eva had given her had been absurdly vague—follow the western path until you see the oak split by lightning, then walk toward the stones—but Aurora had spent twenty-five years making sense of bad instructions."
1"Wildflowers bloomed in the spaces between the stones—bluebells, foxgloves, tiny white blossoms Aurora did not recognize."
2"Three—"
85.82% Purple prose (modifier overload)
Target: <4% adverbs, <2% -ly adverbs, no adj stacking
wordCount1718
adjectiveStacks2
stackExamples
0"dull red light spread"
1"wider, revealing black centers"
adverbCount73
adverbRatio0.042491268917345754
lyAdverbCount21
lyAdverbRatio0.012223515715948778
100.00% Repeated phrase echo
Target: ≤20% sentences with echoes (window: 2)
totalSentences231
echoCount0
echoWords(empty)
100.00% Sentence length variance
Target: CV ≥0.4 for sentence word counts
totalSentences231
mean7.55
std5.35
cv0.709
sampleLengths
012
122
29
35
417
55
615
712
815
99
105
113
125
1323
1418
156
162
174
182
1936
206
216
2219
2310
244
2514
265
2715
286
294
307
3117
3213
332
342
3520
368
3721
385
392
403
414
422
4313
445
455
465
4714
486
4928
44.81% Sentence opener variety
Target: ≥60% unique sentence openers
consecutiveRepeats12
diversityRatio0.2857142857142857
totalSentences231
uniqueOpeners66
100.00% Adverb-first sentence starts
Target: ≥3% sentences starting with an adverb
adverbCount12
totalSentences202
matches
0"Instead, there was only the"
1"Then she had vanished."
2"Only the pendant, warm against"
3"Instead, Eva had called her"
4"Then, very softly:"
5"Somewhere among the trees, a"
6"Then it slipped behind the"
7"Just enough to turn the"
8"Then her reflection smiled."
9"Then it whispered her name."
10"Instead, she lifted the pendant"
11"Then, from the black water"
ratio0.059
99.21% Pronoun-first sentence starts
Target: ≤30% sentences starting with a pronoun
pronounCount61
totalSentences202
matches
0"It seemed to possess weight."
1"It pressed between the trunks"
2"She walked beyond them anyway."
3"Her phone flashlight trembled across"
4"She was not lost."
5"She had found the lightning-split"
6"She had found the standing"
7"They rose ahead of her,"
8"Their surfaces were slick with"
9"It had arrived in an"
10"She had meant to show"
11"She had spent the afternoon"
12"She slipped the pendant beneath"
13"It was not colder."
14"They should not have been"
15"Their heads turned toward her"
16"Her first thought was that"
17"Her second was that imagination"
18"She raised her phone."
19"It looked untouched by time."
ratio0.302
88.71% Subject-first sentence starts
Target: ≤72% sentences starting with a subject
subjectCount150
totalSentences202
matches
0"Aurora Carter knew Richmond Park"
1"It seemed to possess weight."
2"It pressed between the trunks"
3"She walked beyond them anyway."
4"Her phone flashlight trembled across"
5"The battery had been at"
6"That was the first thing"
7"The second was the silence."
8"Richmond Park was never silent."
9"There should have been foxes"
10"Aurora turned in a slow"
11"She was not lost."
12"The directions Eva had given"
13"She had found the lightning-split"
14"She had found the standing"
15"They rose ahead of her,"
16"Their surfaces were slick with"
17"Lichen silvered their edges."
18"The Fae Grove lay beyond."
19"Eva had called it a"
ratio0.743
49.50% Subordinate conjunction sentence starts
Target: ≥2% sentences starting with a subordinating conjunction
subConjCount2
totalSentences202
matches
0"Now it read forty-one, though"
1"Because something in the Grove"
ratio0.01
100.00% Technical jargon density
Target: ≤6% sentences with technical-jargon patterns
analyzedSentences60
technicalSentenceCount2
matches
0"But she had also been Aurora’s oldest friend, the person who had dragged her to London after Evan’s final apology became a locked door and a broken lamp."
1"For one dizzy second she thought it was a birch trunk, but the shape leaned, impossibly, as though listening."
100.00% Useless dialogue additions
Target: ≤5% dialogue tags with trailing filler fragments
totalTags1
uselessAdditionCount0
matches(empty)
59.09% Dialogue tag variety (said vs. fancy)
Target: ≤10% fancy dialogue tags
totalTags1
fancyCount1
fancyTags
0"Aurora looked into (look into)"
dialogueSentences11
tagDensity0.091
leniency0.182
rawRatio1
effectiveRatio0.182
90.5754%