NC Bench
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Run: 2026-03-18-01KM07X428WPDSEJMHQ4X6122K
Run Details
Model:
GPT-5.4 Nano (Reasoning, Low)
Test:
Bad Writing Habits
Scenario:
Mystery: examining a crime scene
Duration:
17.3s
Cost:
$0.005574
Provider:
OpenAI
Evaluation summary
Score
Evaluator
Details Link
100.00%
Adverbs in dialogue tags
(details)
88.83%
AI-ism adverb frequency
(details)
100.00%
AI-ism character names
(details)
100.00%
AI-ism location names
(details)
64.62%
AI-ism word frequency
(details)
66.67%
Cliché density
(details)
100.00%
Emotion telling (show vs. tell)
(details)
100.00%
Filter word density
(details)
100.00%
Gibberish response detection
(details)
100.00%
Markdown formatting overuse
(details)
100.00%
Missing dialogue indicators (quotation marks)
(details)
0.00%
Name drop frequency
(details)
82.89%
Narrator intent-glossing
(details)
88.27%
"Not X but Y" pattern overuse
(details)
100.00%
Overuse of "that" (subordinate clause padding)
(details)
100.00%
Paragraph length variance
(details)
95.44%
Passive voice overuse
(details)
100.00%
Past progressive (was/were + -ing) overuse
(details)
100.00%
Em-dash & semicolon overuse
(details)
98.65%
Purple prose (modifier overload)
(details)
100.00%
Repeated phrase echo
(details)
100.00%
Sentence length variance
(details)
41.02%
Sentence opener variety
(details)
74.74%
Adverb-first sentence starts
(details)
100.00%
Pronoun-first sentence starts
(details)
18.30%
Subject-first sentence starts
(details)
22.42%
Subordinate conjunction sentence starts
(details)
79.57%
Technical jargon density
(details)
87.96%
Useless dialogue additions
(details)
90.59%
Dialogue tag variety (said vs. fancy)
(details)
83.3317%
Overall
Model input
System
You are an expert and award-winning novel writer in the dark Mystery genre. Your readers are hooked on your stories and can't wait to read the book you have in store. <important> - MUST: Start each chapter in medias res (in the middle of action). AVOID talking about the weather, time of day, the position of the sun, or other boring stuff. - The instructions/summary are just a that, a summary. Feel free to add details, stretch sections and add interesting transitions/descriptions/fillers. - When called for it, have fast-paced action, but otherwise take things slow. This is an experience, and not for people with short attention spans. Enjoy the wine, not slurp Red Bull. - Add descriptions when transitioning places/times/etc, or when coming by new places (e.g. a corner shop, a cafe, etc.). But remember: NOT at the start or end of a chapter. - MUST: AVOID ending in internal monologue, reminiscing or waiting for the next day. A good chapter end is when we're ending right when shit hits the fan. We want to have the reader be excited for what comes next. So no reminiscing, contemplating or summarizing the day. It's popcorn time! </important>
User/Human
Take into account the following glossary of characters/locations/items/lore... when writing your response: <codex> <character id="4416" name="Detective Harlow Quinn" aliases="Quinn, Detective Quinn, Harlow" pronouns="she/her" species="Human" storyRole="Antagonist"> <eyeColor>brown</eyeColor> <hair>closely cropped salt-and-pepper</hair> <height>5'9"</height> <age>41</age> <jawline>sharp jaw</jawline> <watch>worn leather watch on her left wrist</watch> <bearing>military precision</bearing> <description>A Metropolitan Police detective with 18 years of decorated service who suspects the clique is involved in criminal activity.</description> <backstory>She lost her partner, DS Morris, during a case three years ago under unexplained circumstances that had supernatural origins she doesn't yet understand.</backstory> </character> <character id="4414" name="Eva Kowalski" aliases="Eva, Evie" pronouns="she/her" species="Human" storyRole="Best Friend"> <eyeColor>green</eyeColor> <hair>curly red</hair> <height>5'4"</height> <age>26</age> <glasses>round glasses</glasses> <satchel>worn leather satchel full of books</satchel> <freckles>freckled complexion</freckles> <nervousHabit>tucking hair behind her left ear</nervousHabit> <description>Aurora's childhood friend and an occult researcher.</description> <backstory>Moved to London two years before Aurora and works as a research assistant at the British Museum's restricted archives. She holds a master's degree in Ancient History from Oxford.</backstory> </character> <location id="856" name="The Veil Market" aliases="Veil Market, the Market, underground market" realm="Earth"> <currentLocation>abandoned Tube station beneath Camden</currentLocation> <entryRequirement>bone token</entryRequirement> <schedule>moves locations every full moon</schedule> <description>A hidden supernatural black market that sells enchanted goods, banned alchemical substances, and information.</description> </location> <item id="2004" name="Veil Compass" aliases="the Compass, shadow compass" type="Tool" origin="The Veil Market"> <casingMaterial>small brass compass</casingMaterial> <faceMarkings>face etched with protective sigils</faceMarkings> <needle>points toward the nearest supernatural rift or portal</needle> <patina>casing has a patina of verdigris</patina> <creator>crafted by a Shade artisan</creator> <description>A compass attuned to supernatural energy.</description> </item> </codex> <proseGuidelines> <styleGuide> - Write in past tense and use British English spelling and grammar - Keep a Flesch reading ease score of 60 - Respect the the Royal Order of Adjectives: The order is: opinion, size, age, shape, color, origin, material, purpose, followed by the noun itself (e.g., "a lovely little old rectangular green French silver whittling knife") - Respect the ablaut reduplication rule (e.g. tick-tock, flip-flop) - Write in active voice - Passive voice: <bad>The book was read by Sarah.</bad> - Active voice: <good>Sarah read the book.</good> - Reduce the use of passive verbs - <bad>For a moment, I was tempted to throw in the towel.</bad> - <good>For a moment, I felt tempted to throw in the towel.</good> - Avoid misplaced modifiers that can cause confusion when starting with "-ing" words: - <bad>Considering going to the store, the empty fridge reflected in Betty's eyes.</bad> - <good>Betty stared into the empty fridge. It was time to go to the store.</good> - Avoid redundant adverbs that state the obvious meaning already contained in the verb: - <bad>She whispered quietly to her mom.</bad> - <good>She whispered to her mom.</good> - Use stronger, more descriptive verbs over weak ones: - <bad>Daniel drove quickly to his mother's house.</bad> - <good>Daniel raced to his mother's house.</good> - Omit adverbs that don't add solid meaning like "extremely", "definitely", "truly", "very", "really": - <bad>The movie was extremely boring.</bad> - <good>The movie was dull.</good> - Use adverbs to replace clunky phrasing when they increase clarity: - <bad>He threw the bags into the corner in a rough manner.</bad> - <good>He threw the bags into the corner roughly.</good> - Avoid making simple thoughts needlessly complex: - <bad>After I woke up in the morning the other day, I went downstairs, turned on the stove, and made myself a very good omelet.</bad> - <good>I cooked a delicious omelet for breakfast yesterday morning.</good> - Never backload sentences by putting the main idea at the end: - <bad>I decided not to wear too many layers because it's really hot outside.</bad> - <good>It's sweltering outside today, so I dressed light.</good> - Omit nonessential details that don't contribute to the core meaning: - <bad>It doesn't matter what kind of coffee I buy, where it's from, or if it's organic or not—I need to have cream because I really don't like how the bitterness makes me feel.</bad> - <good>I add cream to my coffee because the bitter taste makes me feel unwell.</good> - Always follow the "show, don't tell" principle. For instance: - Telling: <bad>Michael was terribly afraid of the dark.</bad> - Showing: <good>Michael tensed as his mother switched off the light and left the room.</good>- Telling: <bad>I walked through the forest. It was already Fall, and I was getting cold.</bad> - Showing: <good>Dry orange leaves crunched under my feet. I pulled my coat's collar up and rubbed my hands together.</good>- Add sensory details (sight, smell, taste, sound, touch) to support the "showing" (but keep an active voice) - <bad>The room was filled with the scent of copper.</bad> - <good>Copper stung my nostrils. Blood. Recent.</good> - Use descriptive language more sporadically. While vivid descriptions are engaging, human writers often use them in bursts rather than consistently throughout a piece. When adding them, make them count! Like when we transition from one location to the next, or someone is reminiscing their past, or explaining a concept/their dream... - Avoid adverbs and clichés and overused/commonly used phrases. Aim for fresh and original descriptions. - Avoid writing all sentences in the typical subject, verb, object structure. Mix short, punchy sentences with long, descriptive ones. Drop fill words to add variety. Like so: <good>Locked. Seems like someone doesn't want his secrets exposed. I can work with that.</good> - Convey events and story through dialogue. It is important to keep a unique voice for every character and make it consistent. - Write dialogue that reveals characters' personalities, motivations, emotions, and attitudes in an interesting and compelling manner - Leave dialogue unattributed. If needed, only use "he/she said" dialogue tags and convey people's actions or face expressions through their speech. Dialogue always is standalone, never part of a paragraph. Like so: - <bad>"I don't know," Helena said nonchalantly, shrugging her shoulders</bad> - <good>"No idea" "Why not? It was your responsibility"</good> - Avoid boring and mushy dialog and descriptions, have dialogue always continue the action, never stall or include unnecessary fluff. Vary the descriptions to not repeat yourself. Avoid conversations that are just "Let's go" "yes, let's" or "Are you ready?" "Yes I'm ready". Those are not interesting. Think hard about every situtation and word of text before writing dialogue. If it doesn't serve a purpose and it's just people talking about their day, leave it. No one wants to have a normal dinner scene, something needs to happen for it to be in the story. Words are expensive to print, so make sure they count! - Put dialogue on its own paragraph to separate scene and action. - Use body language to reveal hidden feelings and implied accusations- Imply feelings and thoughts, never state them directly - NEVER use indicators of uncertainty like "trying" or "maybe" - NEVER use em-dashes, use commas for asides instead </styleGuide> <voiceGuide> Each character in the story needs to have distinct speech patterns: - Word choice preferences - Sentence length tendencies - Cultural/educational influences - Verbal tics and catchphrases Learn how each person talks and continue in their style, and use their Codex entries as reference. <examples> - <bad>"We need to go now." "Yes, we should leave." "I agree."</bad> <good>"Time's up." "Indeed, our departure is rather overdue." "Whatever, let's bounce."</good> - Power Dynamic Example: <bad> "We need to discuss the contract." "Yes, let's talk about it." "I have concerns." </bad> <good> "A word about the contract." "Of course, Mr. Blackwood. Whatever you need." "The terms seem..." A manicured nail tapped the desk. "Inadequate." "I can explain every-" "Can you?" </good> </examples> </voiceGuide> <dialogueFlow> When writing dialogue, consider that it usually has a goal in mind, which gives it a certain flow. Make dialogue sections also quite snappy in the back and forth, and don't spread the lines out as much. It's good to have details before, after, or as a chunk in-between, but we don't want to have a trail of "dialogue breadcrumbs" spread throughout a conversation. <examples> - Pattern 1 - Question/Deflection/Revelation: <good> "Where were you last night?" "Work. The usual." "Lipstick's an interesting shade for spreadsheets." </good> - Pattern 2 - Statement/Contradiction/Escalation: <good> "Your brother's clean." "Tommy doesn't touch drugs." "I'm holding his tox screen." </good> - Pattern 3 - Observation/Denial/Truth: <good> "That's a new watch." "Birthday gift." "We both know what birthdays mean in this business." </good> - Example - A Simple Coffee Order: <bad> "I'll have a coffee." "What size?" "Large, please." </bad> <good> "Black coffee.""Size?""Large. Been a long night." "That bodega shooting?" "You watch too much news." "My brother owns that store." </good> This short exchange: - Advances plot (reveals connection to crime) - Shows character (cop working late) - Creates tension (unexpected connection) - Sets up future conflict (personal stake) - Example - Dinner Scene: <bad> "Pass the salt." "Here you go." "Thanks." </bad> <good> "Salt?" "Perfect as is. Mother's recipe." "Mother always did prefer... bland things." "Unlike your first wife?" </good> - Example - Office Small Talk: <bad> "Nice weather today." "Yes, very nice." "Good for golf." </bad> <good> "Perfect golf weather." "Shame about your membership." "Temporary suspension. Board meets next week." "I know. I called the vote." </good> </examples> </dialogueFlow> <subtextGuide> - Layer dialogue with hidden meaning: <bad>"I hate you!" she yelled angrily.</bad> <good>"I made your favorite dinner." The burnt pot sat accusingly on the stove.</good> - Create tension through indirect communication: <bad>"Are you cheating on me?"</bad> <good>"Late meeting again?" The lipstick stain on his collar caught the light.</good> <examples> - Example 1 - Unspoken Betrayal: <bad> "Did you tell them about our plans?" "No, I would never betray you." "I don't believe you." </bad> <good> "Funny. Johnson mentioned our expansion plans today." "The market's full of rumors." "Mentioned the exact numbers, actually." The pen in his hand snapped. </good> - Example 2 - Failed Marriage: <bad> "You're never home anymore." "I have to work late." "I miss you." </bad> <good> "Your dinner's in the microwave. Again." "Meetings ran long." "They always do." She folded the same shirt for the third time. </good> - Example 3 - Power Struggle: <bad> "You can't fire me." "I'm the boss." "I'll fight this." </bad> <good> "That's my father's nameplate you're sitting behind." "Was." "The board meeting's on Thursday." </good> </examples> </subtextGuide> <sceneDetail> While writing dialogue makes things more fun, sometimes we need to add detail to not have it be a full on theatre piece. <examples> - Example A (Power Dynamic Scene) <good> "Where's my money?" The ledger snapped shut. "I need more time." "Interesting." He pulled out a familiar gold pocket watch. My mother's. "Time is exactly what you bargained with last month." "That was different-" "Was it?" The watch dangled between us. "Four generations of O'Reillys have wound this every night. Your mother. Your grandmother. Your great-grandmother.Shall we see who winds it next?" </good> - Example B (Action Chase) It's much better to be in the head of the character experiencing it, showing a bit of their though-process, mannerisms and personality: <good> Three rules for surviving a goblin chase in Covent Garden: Don't run straight. Don't look back. Don't let them herd you underground. I broke the first rule at Drury Lane. Rookie mistake. The fruit cart I dodged sailed into the wall behind me. Glass shattered. Someone screamed about insurance. *Tourist season's getting rough*, the scream seemed to say. Londoners adapt fast. "Oi! Market's closed!" The goblin's accent was pure East End. They're evolving. Learning. I spotted the Warren Street tube station sign ahead. *Shit.* There went rule three. </good> - Example C (Crime Scene Investigation) <good> "Greek." Davies snapped photos of the symbols. "No, wait. Reverse Greek." "Someone's been watching too many horror films." I picked up a receipt from the floor. Occult supply shop in Camden. Paid by credit card. *Amateur hour*. "Could be dangerous though," Davies said. "Remember Bristol?" "Bristol was Sanskrit. And actual cultists." I pointed to the nearest symbol. "This genius wrote 'darkness' backwards but used a Sigma instead of an S. It's summoning Instagram followers at best." "Speaking of followers..." Davies pointed to heavy foot traffic in the dust. Multiple sets. All new trainers. *Ah.* "Anyone check local uni paranormal societies?" </good> - Example D (Dialogue-heavy) <good> "Found your card in her wallet." The detective slid it across the table. Worn edges. Folded corner. Three years old at least. "Standard practice. I work missing persons." "Funny thing about missing persons.Eventually they stop being missing. Turn up in the Thames. Under motorways. In pieces." "I don't-" "You found four last year. All breathing." She opened a file. "This would've been your first dead one. If we hadn't found her first." The card felt heavier somehow. </good> </examples> </sceneDetail> <sceneOpenings> KEY RULE: Never open with more than one paragraph of description, no matter how beautiful. Description should be earned through action and dialogue. Instead of opening with setting description, open with: - A character doing something specific - A line of dialogue that raises questions - An unexpected observation - A moment of tension or conflict - Start with a hook that's 1-2 sentences maximum - Follow with a smaller paragraph that provides immediate context - Vary paragraph size from the start to create visual interest </sceneOpenings> </proseGuidelines> Write a chapter based on the following instructions: <instructions> Write a fully fleshed out scene of at least 1000 words in the mystery genre. A detective arrives at a crime scene in an unusual location. Something is wrong — the evidence doesn't add up. A colleague is present, offering a different interpretation. Through careful observation and deduction, the detective begins to see what others have missed. Use the codex entries above as your world reference for characters and setting. Only include the prose of the scene without any markdown or commentary. </instructions>
Model response
Messages
Meta
AI
Harlow Quinn shoved her shoulder
through the gap in the mangled barrier and kicked the door wider with the side of her boot. “Don’t breathe that,”
she snapped, then regretted nothing
as the smell hit her anyway.
Ozone, wet pennies, and something
sweet underneath, like bruised fruit left too long in a drawer.
Eva Kowalski crouched by the
tiled wall, round glasses fogged at the edges.
Her red curls spilled out
from behind her ear where she had tucked them for the fourth time in five minutes.
The satchel at her side
looked too academic for what lay on the tracks at her feet. On the rails, a man lay on his back as if someone had staged him for a photograph. His eyes were open.
His mouth had been smeared
with black grit that did not match any of the grime around them.
Harlow crouched anyway, because rules
were for people who believed the world behaved. “Met Police,”
she said, voice flat
. “Who called this in?” Eva didn’t look up.
She jabbed a finger towards
the man’s chest. “Bone token. Found in his pocket. It’s what let us get past the line.”
Harlow’s gaze flicked to the
man’s coat.
A small brass token sat
half-buried in the fabric, dulled and warm-looking even in the cold.
It should not have sat
there like it belonged. “It’s not Camden,” Harlow said. Eva finally met her eyes.
Her freckles made her expression
sharper. “It’s underneath Camden.”
Harlow rose and circled the
body once, quick and deliberate, like she
was counting
exits.
The platform should have been
part of an abandoned Tube station, but the air didn’t carry dust the way abandoned places did. It carried intention. The tiled walls
were stained
in patterns that almost resembled writing, only wrong. Symbols sketched in grime, then painted over, then scraped away. “Who’s your casualty?” Harlow asked. Eva’s fingers hovered over the black smear. “Liam Sykes. Thirty-seven. Camden docks registry. He handles deliveries for private contracts.” “Private contracts,” Harlow repeated. Her jaw tightened. “That’s a euphemism for something.” Eva stood and brushed her knees. “For something that buys banned alchemical substances and enchanted goods. For something that uses rifts.” Harlow’s
watch
caught the station light as she checked it, then she stopped herself. Time didn’t help.
It never did when things
started breaking rules.
She pulled on gloves and
knelt again, this time closer to the man’s hands. His fingers
were clenched
. Under her thumb, the nails were clean, too clean. “Someone washed him,” she said. Eva made a sound through her nose. “Someone tried.” Harlow angled her head. “Tried to make him look fresh. Tried to make the marks read as a collapse, not a ritual.” Eva crouched beside her. “Or they wanted you to think it was a collapse.” Harlow pulled the man’s right hand open.
His palm held a shallow
groove, a half-moon indentation as if something had sat there and pressed for too long. “See that?” she asked. Eva leaned in.
Her voice went softer, not
kinder, just more focused. “A pivot scar. Like a compass needle that needed a hand to keep it from jittering.” Harlow withdrew her gloved thumb
slowly
. “We don’t have a compass yet.” Eva reached into her satchel and produced a small brass compass. The casing bore protective sigils,
etched
so fine they
looked like bruises
. Verdigris filmed the brass in places. The Veil Compass. She didn’t say the name, but her eyes did. Harlow stared at it. “You brought that here.” “Of course I did.” Eva snapped the compass shut with a click that sounded too loud. “You don’t step into that market without knowing where the rifts point.” Harlow’s
stomach
tightened. “You said this station was abandoned.” “It is,” Eva said. “Just not the part we’re in.” Harlow set her hands on her knees and stood. She
scanned
the platform again, this time slower. Someone had dragged a length of chain across the tracks. The chain links
were blackened
, warped.
They looked melted and then
cooled in a hurry. The drag marks stopped halfway to the body. No smear trail. No blood to follow. The chain didn’t lead anywhere. “Where’s the rest of it?” Harlow asked. Eva’s head turned, quick. “You’re assuming it existed.” “I’m assuming the person who arranged him wanted a path,” Harlow said. “They just didn’t want us to take it.” Eva’s lips pressed together. “The evidence looks… curated.” “Exactly.” Harlow stepped over the chain and approached the tiled wall where the grime-
etching
clustered.
She ran her gloved knuckle
along one of the marks. It didn’t feel like dirt. It felt like residue. Copper taste hit her tongue, metallic and bitter. She swore and spat into the dust. Her saliva sizzled faintly at the point of contact. Eva’s
eyes widened
. “You licked it.” “I didn’t lick anything.” Harlow’s voice cut. “I tasted it. There’s copper in this residue.” Eva drew her satchel closer like it could shield her. “Banned alchemical compounds cling to surfaces. The Veil Market uses them for… tuning.” “Or bait.” Harlow looked back at the body. “Why tune a dead man?” Eva swallowed. “Because dead men don’t talk, but they do
echo
.” Harlow turned
sharply
. “Who are you quoting now, the books in your satchel?” Eva didn’t rise to it.
Instead, she pointed at the
man’s face. “Look at his teeth.” Harlow leaned in. The black smear had dried around his lips, but the teeth were clean, white against the grit. Too white. No staining. No decay. Like the man had
been scrubbed
, then branded with residue that didn’t belong in any autopsy file. Harlow exhaled once, slow. “He didn’t drown. He didn’t choke. He didn’t starve.” Eva’s gaze
flicked
to the rails, then to the chain. “And he didn’t fall.” Harlow straightened. “Then the question becomes who placed him.” Eva gave a small shrug. “Or who replaced him.” Harlow’s
eyes narrowed
. “Replaced?” Eva lifted the Veil Compass
slightly
, as if the air itself might snap. The needle
quivered
, then settled, pointing
not at any rift she could see, but at a spot behind the tiled wall
. “A pocket,” Eva said. “A seam.” Harlow stepped closer. “We’re standing on a map.” Eva’s voice remained steady, but her fingers
trembled
at the edges. “Harlow. Don’t force it.” Harlow reached for the grout line anyway. Her gloved fingertips pressed where the symbols clustered hardest. The residue warmed beneath her touch. Then the wall answered. Not with a boom. Not with a crash. With a soft, wrong suction, like something exhaled behind plaster. The tiles bowed inward. A seam opened the width of a man’s hand. A thin sound poured out of it, like distant static played through a broken radio, mixed with a whispering chorus that never formed words. Eva grabbed Harlow’s wrist. Her nails dug in. “This is not for you.” Harlow looked at her arm, then at Eva. “It’s exactly for me.” Eva’s eyes shone behind her round glasses. “Because you think you understand rifts?” Harlow didn’t flinch. “Because someone keeps leaving evidence that points at them, and my partner died in the same kind of wrong.” Eva’s grip tightened. “You don’t need to prove anything.” Harlow jerked free. “I need to stop someone else from proving me right.” She pulled the knife from her belt, not her service issue. This one had a broader blade, the kind she used to cut through tape and upholstery when a report demanded it. She wedged it into the seam and twisted. The tiles popped like rotten teeth. A gust of air rolled out, smelling of cold stone and burned paper. Dust rose, then settled into shapes. Letters. Sigils. The residue rearranged itself, as if it had been waiting for her to look. Eva took a step back, satchel tilting. “That’s… not normal.” “Nothing about this is normal.” Harlow leaned into the seam. Inside, something metallic glittered. Not an object, not exactly. A glimmering thread, like a hairline crack filled with silver light. A small bone token rested against it, half-swallowed by the seam. This one looked fresher than the brass token in the body’s pocket, its protective marks crisp. Harlow reached for it and felt the compass needle jump against her skin, though she
wasn’t holding
the Veil Compass. She checked her
watch
without meaning to. The leather strap felt
suddenly
damp. Then she noticed the chain. The warped black chain links ended in the seam, their edges fused to the seam’s inner lip as if they had
been carried
through the pocket and sewn back onto the station. Someone had anchored a path. Eva inhaled
sharply
. “They used the chain to keep the seam stable.” Harlow lifted her eyes to Eva. “And they used the body to keep it silent.” Eva swallowed. “A rift needs a tether. Sometimes a person offers the best thread.” Harlow stared at Liam Sykes again, and the thought that he might have been a literal tether made her skin crawl. The whispering chorus swelled. Not louder, different. Closer. Harlow spun towards the platform entrance. A blackness had thickened there, pooling around the broken barrier as if the station had grown a bruise. A figure stepped into it with the confidence of someone who believed light belonged to them. He wore a tailored coat and gloves that looked too clean for any London street, even underground. His face remained in shadow, but his voice slid through the air like oil. “You’re late, Detective.” Eva moved in front of Harlow without thinking, satchel held like a shield. “You shouldn’t be here.” The man chuckled. “We always are. People just notice when the wrong things happen.” Harlow’s gaze stayed locked on his hands. No token visible. No tool obvious. But he carried the same posture as an artisan, careful,
measured
. “Who sent you?” Harlow asked. He spread his gloved palms
slightly
, and a faint shimmer
flickered
between his fingers,
not quite light, not quite reflection
. “Does it matter?” he said. “You’ve already touched it. You’ve already looked through the seam.” Harlow tightened her fist around her knife. “I didn’t look through. I looked at.” “You looked in,” he corrected. “So now the market knows you.” Eva’s voice sharpened. “The Veil Market moves on full moons. The station beneath Camden changes. You can’t just show up.” The man’s head tilted. “Oh, we can. We just prefer the convenient shifts.” Harlow took one step towards the seam. The whispering chorus pulled at her attention, not her ears. Her
watch
strap felt wetter. Her glove dampened around her wrist. She realised the residue wasn’t only on the wall. It had travelled through her touch, climbing her glove seam by seam, searching for a way in. “Stop touching it,”
Eva hissed, trying to drag her back
. Harlow shook her off, eyes on the man. “You anchored the chain. You placed the body. You tuned the residue. Which means you weren’t trying to cover your tracks.” He smiled under the shadow. “I was trying to lead you.” Harlow’s throat tightened. “To what?” “To the rift you don’t understand.” His voice softened, almost kind. “To the one that took your partner.” Harlow went still. The station
seemed to
press closer, walls too near. The seam breathed again, and the silver crack inside brightened. The bone token glowed, warm now, as if it had a
pulse
. Eva’s fingers found Harlow’s sleeve, and for a moment Harlow felt the pressure of someone who refused to let her fall apart. “You’re lying,” Eva said to the man. “You’re trying to bait her.” The man’s gaze shifted to Eva. “You bring scholars into a slaughterhouse, and you call it research.” Eva’s face tightened. “You don’t know what we study.” “We study too,” he replied. “We just do it with cleaner hands.” Harlow took a step back from the seam. Her mind snapped into its old rhythm, the one that solved cases even when the evidence fought back.
If the Veil Compass pointed
to the nearest rift, and Eva had it, then the man had something else. Something that redirected the needle, or made it lie. She glanced at the compass in Eva’s hand. The casing sigils gleamed faintly, but one had worn down, the
etched
line broken. A crack in the protection. Harlow pointed. “Your compass is damaged.” Eva’s eyes
flicked
down. “It’s fine.” “It’s not.” Harlow’s voice stayed calm because panic didn’t arrest suspects. “See the missing sigil. Whoever made it meant the ward to hold. Someone broke it.” The man’s smile widened. “Clever.” Harlow’s
pulse
hammered. “So the compass pointed the wrong way when I entered. The seam chose me instead.” Eva’s mouth opened, then closed. “That’s impossible.” “Nothing about this seam is impossible,” Harlow said. “It’s just hungry.” The whispering chorus turned into a scrape, metal against bone. The seam widened without further effort. Tiles tumbled inwards, scattering dust like ash. The silver crack spilled light across the platform, painting the chain links in shifting colours. A figure moved inside the seam, not fully formed. A suggestion of limbs, then a shoulder. Then a head. The man leaned back
as if watching theatre
. “Let it finish.” Harlow grabbed Eva by the satchel strap and yanked her away from the seam’s edge. “Back.” Eva stumbled a step, then steadied. Her eyes stayed fixed on the opening, wide and sharp. “Harlow, if it comes through, we can’t close it.” Harlow’s mind worked fast. Close the seam meant reverse the tether, cut the chain, remove the token. But the seam had already tasted her residue. She looked at the bone token resting inside the light. It wasn’t only a Veil Market entry requirement. It was bait, and it anchored the opening. Harlow lunged for it. The moment her glove touched the warm brass, the seam surged. Pain lanced up her arm, hot then cold, like a burn dressed in ice. Her knife fell from her hand and skittered across tile. Eva grabbed Harlow’s wrist. “No. Harlow!” Harlow bit down on a sound, forcing herself to pull the token free. The silver crack flared, and the half-formed figure inside the seam jerked as if it had
been yanked
by a leash. The man’s voice turned sharp, eager. “You can’t take it out without paying.” Harlow
managed to
wrench the token free. It came away with a wet resistance, residue clinging to her glove like tar. The seam screamed,
not in sound but in sensation
, and then it snapped shut like a jaw. Silence fell so hard Harlow felt it in her teeth. Eva stared at the closed wall, then at Harlow’s hand. “What did you pay?” Eva whispered. Harlow opened her palm. The bone token was still there, but the protective sigils had faded. Not worn down. Erased, as if something had eaten them. Her glove seam smoked, a thin curl of grey rising from the residue that clung to her skin. Behind her, the man in the tailored coat stepped forward out of the thick blackness.
Only now his shadow didn’t
match his body. It lagged. It shifted in a way that made Harlow’s
stomach
drop. He raised one finger, slow. “Detective Quinn,” he said, and his voice held a second tone beneath it, a second mouth hiding in the throat. “Now you know the market’s hunger.” Eva drew back, holding the Veil Compass too close to her chest. The needle inside spun and spun, then stopped, pointing
not to any rift but to Harlow
. Harlow stared at him, knifeless, glove smoking, residue crawling. She
tried to
step back. The floor seam beneath her boot flexed like soft clay. The tile cracked. A fresh, silver line opened under her heel, hungry and precise, reaching upward as if the Veil had decided her body belonged to the tether now. Eva yanked on Harlow’s arm, but the crack pulled harder, binding her
weight
to the station’s wrong heart. The man smiled from inside his darkness, and the smile
looked like a promise
. “Hold still,” he said. “We need you for the next door.” The station
lurched
. And something on the other side finally knocked.
created_at
"2026-03-18T10:29:47.74Z"
3/18/2026, 10:29:47 AM
model
"openai/gpt-5.4-nano-20260317"
app_id
182717
external_user
(null)
streamed
true
cancelled
false
latency
4752
moderation_latency
(null)
generation_time
17068
tokens_prompt
4671
tokens_completion
4606
native_tokens_prompt
4157
native_tokens_completion
3794
native_tokens_completion_images
0
native_tokens_reasoning
179
native_tokens_cached
0
num_media_prompt
(null)
num_input_audio_prompt
(null)
num_media_completion
0
num_search_results
(null)
origin
"https://ncbench.com/"
is_byok
false
finish_reason
"stop"
native_finish_reason
"completed"
usage
0.0055739
router
(null)
provider_responses
0
endpoint_id
"0c835f2e-c18d-4e8c-b245-e1e3bd08b97f"
id
"resp_07d26d1e0d478f010169ba7e9bcb748194b1cda36a065d5fbd"
is_byok
false
latency
176
model_permaslug
"openai/gpt-5.4-nano-20260317"
provider_name
"OpenAI"
status
200
user_agent
"langchainjs-openai/1.0.0 ((node/v24.14.0; linux; x64))"
http_referer
(null)
api_type
"completions"
id
"gen-1773829787-hXsee7qmDinwQJe7MAAW"
upstream_id
"resp_07d26d1e0d478f010169ba7e9bcb748194b1cda36a065d5fbd"
total_cost
0.0055739
cache_discount
(null)
upstream_inference_cost
0
provider_name
"OpenAI"
Evaluation details
Result
Evaluator
Details
Meta Data
100.00%
Adverbs in dialogue tags
Target: ≤10% dialogue tags with adverbs
totalTags
27
adverbTagCount
1
adverbTags
0
"His voice softened almost [almost]"
dialogueSentences
101
tagDensity
0.267
leniency
0.535
rawRatio
0.037
effectiveRatio
0.02
88.83%
AI-ism adverb frequency
Target: <2% AI-ism adverbs (58 tracked)
wordCount
2685
totalAiIsmAdverbs
6
found
0
adverb
"slowly"
count
1
1
adverb
"sharply"
count
2
2
adverb
"slightly"
count
2
3
adverb
"suddenly"
count
1
highlights
0
"slowly"
1
"sharply"
2
"slightly"
3
"suddenly"
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)
64.62%
AI-ism word frequency
Target: <2% AI-ism words (290 tracked)
wordCount
2685
totalAiIsms
19
found
0
word
"flicked"
count
3
1
word
"etched"
count
2
2
word
"stomach"
count
2
3
word
"scanned"
count
1
4
word
"etching"
count
1
5
word
"echo"
count
1
6
word
"quivered"
count
1
7
word
"trembled"
count
1
8
word
"measured"
count
1
9
word
"flickered"
count
1
10
word
"pulse"
count
2
11
word
"silence"
count
1
12
word
"weight"
count
1
13
word
"lurched"
count
1
highlights
0
"flicked"
1
"etched"
2
"stomach"
3
"scanned"
4
"etching"
5
"echo"
6
"quivered"
7
"trembled"
8
"measured"
9
"flickered"
10
"pulse"
11
"silence"
12
"weight"
13
"lurched"
66.67%
Cliché density
Target: ≤1 cliche(s) per 800-word window
totalCliches
2
maxInWindow
2
found
0
label
"eyes widened/narrowed"
count
2
highlights
0
"eyes widened"
1
"eyes narrowed"
100.00%
Emotion telling (show vs. tell)
Target: ≤3% sentences with emotion telling
emotionTells
0
narrationSentences
250
matches
(empty)
100.00%
Filter word density
Target: ≤3% sentences with filter/hedge words
filterCount
3
hedgeCount
3
narrationSentences
250
filterMatches
0
"watch"
hedgeMatches
0
"seemed to"
1
"managed to"
2
"tried to"
100.00%
Gibberish response detection
Target: ≤1% gibberish-like sentences (hard fail if a sentence exceeds 800 words)
analyzedSentences
323
gibberishSentences
0
adjustedGibberishSentences
0
longSentenceCount
0
runOnParagraphCount
0
giantParagraphCount
0
wordSaladCount
0
repetitionLoopCount
0
controlTokenCount
0
maxSentenceWordsSeen
32
ratio
0
matches
(empty)
100.00%
Markdown formatting overuse
Target: ≤5% words in markdown formatting
markdownSpans
0
markdownWords
0
totalWords
2685
ratio
0
matches
(empty)
100.00%
Missing dialogue indicators (quotation marks)
Target: ≤10% speech attributions without quotation marks
totalAttributions
24
unquotedAttributions
0
matches
(empty)
0.00%
Name drop frequency
Target: ≤1.0 per-name mentions per 100 words
totalMentions
131
wordCount
2064
uniqueNames
12
maxNameDensity
3.05
worstName
"Harlow"
maxWindowNameDensity
5
worstWindowName
"Harlow"
discoveredNames
Quinn
1
Ozone
1
Kowalski
1
Eva
48
Tube
1
Veil
7
Compass
5
Harlow
63
Liam
1
Sykes
1
London
1
Market
1
persons
0
"Quinn"
1
"Kowalski"
2
"Eva"
3
"Veil"
4
"Compass"
5
"Harlow"
6
"Liam"
7
"Sykes"
places
0
"London"
globalScore
0
windowScore
0
82.89%
Narrator intent-glossing
Target: ≤2% narration sentences with intent-glossing patterns
analyzedSentences
149
glossingSentenceCount
4
matches
0
"looked like bruises"
1
"not quite light, not quite reflection"
2
"not quite reflection"
3
"as if watching theatre"
4
"looked like a promise"
88.27%
"Not X but Y" pattern overuse
Target: ≤1 "not X but Y" per 1000 words
totalMatches
3
per1kWords
1.117
wordCount
2685
matches
0
"not at any rift she could see, but at a spot behind the tiled wall"
1
"not in sound but in sensation"
2
"not to any rift but to Harlow"
100.00%
Overuse of "that" (subordinate clause padding)
Target: ≤2% sentences with "that" clauses
thatCount
0
totalSentences
323
matches
(empty)
100.00%
Paragraph length variance
Target: CV ≥0.5 for paragraph word counts
totalParagraphs
168
mean
15.98
std
9.37
cv
0.586
sampleLengths
0
23
1
30
2
51
3
40
4
13
5
10
6
26
7
32
8
5
9
14
10
15
11
48
12
5
13
19
14
12
15
21
16
25
17
27
18
5
19
9
20
22
21
14
22
27
23
4
24
28
25
12
26
29
27
12
28
8
29
28
30
9
31
10
32
17
33
33
34
12
35
7
36
8
37
20
38
8
39
25
40
5
41
4
42
24
43
6
44
15
45
23
46
13
47
11
48
13
49
16
95.44%
Passive voice overuse
Target: ≤2% passive sentences
passiveCount
7
totalSentences
250
matches
0
"been smeared"
1
"were stained"
2
"were clenched"
3
"were blackened"
4
"been scrubbed"
5
"been carried"
6
"been yanked"
100.00%
Past progressive (was/were + -ing) overuse
Target: ≤2% past progressive verbs
pastProgressiveCount
2
totalVerbs
385
matches
0
"was counting"
1
"wasn’t holding"
100.00%
Em-dash & semicolon overuse
Target: ≤2% sentences with em-dashes/semicolons
emDashCount
0
semicolonCount
0
flaggedSentences
0
totalSentences
323
ratio
0
matches
(empty)
98.65%
Purple prose (modifier overload)
Target: <4% adverbs, <2% -ly adverbs, no adj stacking
wordCount
2070
adjectiveStacks
0
stackExamples
(empty)
adverbCount
86
adverbRatio
0.04154589371980676
lyAdverbCount
16
lyAdverbRatio
0.007729468599033816
100.00%
Repeated phrase echo
Target: ≤20% sentences with echoes (window: 2)
totalSentences
323
echoCount
0
echoWords
(empty)
100.00%
Sentence length variance
Target: CV ≥0.4 for sentence word counts
totalSentences
323
mean
8.31
std
5.37
cv
0.646
sampleLengths
0
23
1
14
2
16
3
13
4
21
5
17
6
18
7
4
8
18
9
13
10
6
11
4
12
4
13
8
14
14
15
7
16
16
17
9
18
5
19
5
20
6
21
3
22
15
23
22
24
3
25
13
26
10
27
5
28
7
29
12
30
4
31
3
32
5
33
6
34
15
35
14
36
3
37
8
38
14
39
4
40
9
41
5
42
7
43
2
44
4
45
18
46
4
47
10
48
7
49
20
41.02%
Sentence opener variety
Target: ≥60% unique sentence openers
consecutiveRepeats
29
diversityRatio
0.24458204334365324
totalSentences
323
uniqueOpeners
79
74.74%
Adverb-first sentence starts
Target: ≥3% sentences starting with an adverb
adverbCount
5
totalSentences
223
matches
0
"Instead, she pointed at the"
1
"Then the wall answered."
2
"Then she noticed the chain."
3
"Then a head."
4
"Only now his shadow didn’t"
ratio
0.022
100.00%
Pronoun-first sentence starts
Target: ≤30% sentences starting with a pronoun
pronounCount
50
totalSentences
223
matches
0
"she snapped, then regretted nothing"
1
"Her red curls spilled out"
2
"His eyes were open."
3
"His mouth had been smeared"
4
"she said, voice flat"
5
"She jabbed a finger towards"
6
"It should not have sat"
7
"Her freckles made her expression"
8
"It carried intention."
9
"Her jaw tightened."
10
"It never did when things"
11
"She pulled on gloves and"
12
"His fingers were clenched."
13
"His palm held a shallow"
14
"Her voice went softer, not"
15
"She didn’t say the name,"
16
"She scanned the platform again,"
17
"They looked melted and then"
18
"She ran her gloved knuckle"
19
"It didn’t feel like dirt."
ratio
0.224
18.30%
Subject-first sentence starts
Target: ≤72% sentences starting with a subject
subjectCount
197
totalSentences
223
matches
0
"Harlow Quinn shoved her shoulder"
1
"she snapped, then regretted nothing"
2
"Ozone, wet pennies, and something"
3
"Eva Kowalski crouched by the"
4
"Her red curls spilled out"
5
"The satchel at her side"
6
"His eyes were open."
7
"His mouth had been smeared"
8
"Harlow crouched anyway, because rules"
9
"she said, voice flat"
10
"Eva didn’t look up."
11
"She jabbed a finger towards"
12
"Harlow’s gaze flicked to the"
13
"A small brass token sat"
14
"It should not have sat"
15
"Eva finally met her eyes."
16
"Her freckles made her expression"
17
"Harlow rose and circled the"
18
"The platform should have been"
19
"It carried intention."
ratio
0.883
22.42%
Subordinate conjunction sentence starts
Target: ≥2% sentences starting with a subordinating conjunction
subConjCount
1
totalSentences
223
matches
0
"If the Veil Compass pointed"
ratio
0.004
79.57%
Technical jargon density
Target: ≤6% sentences with technical-jargon patterns
analyzedSentences
79
technicalSentenceCount
7
matches
0
"His palm held a shallow groove, a half-moon indentation as if something had sat there and pressed for too long."
1
"A blackness had thickened there, pooling around the broken barrier as if the station had grown a bruise."
2
"It had travelled through her touch, climbing her glove seam by seam, searching for a way in."
3
"The silver crack flared, and the half-formed figure inside the seam jerked as if it had been yanked by a leash."
4
"Her glove seam smoked, a thin curl of grey rising from the residue that clung to her skin."
5
"It shifted in a way that made Harlow’s stomach drop."
6
"A fresh, silver line opened under her heel, hungry and precise, reaching upward as if the Veil had decided her body belonged to the tether now."
87.96%
Useless dialogue additions
Target: ≤5% dialogue tags with trailing filler fragments
totalTags
27
uselessAdditionCount
2
matches
0
"she said, voice flat"
1
"Eva hissed, trying to drag her back"
90.59%
Dialogue tag variety (said vs. fancy)
Target: ≤10% fancy dialogue tags
totalTags
22
fancyCount
6
fancyTags
0
"she snapped (snap)"
1
"Harlow repeated (repeat)"
2
"Eva snapped (snap)"
3
"he corrected (correct)"
4
"Eva hissed (hiss)"
5
"Eva whispered (whisper)"
dialogueSentences
101
tagDensity
0.218
leniency
0.436
rawRatio
0.273
effectiveRatio
0.119
83.3317%