NC Bench
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Run: 2026-02-17-01KHMSG7VB8XFYKHM5G9TGA6D6
Run Details
Model:
Claude Sonnet 4
Test:
Bad Writing Habits
Scenario:
Fantasy: entering an ancient ruin
Duration:
50.8s
Cost:
$0.035106
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> <character id="4418" name="Nyx" aliases="Nyx, the Shadow, Nightwhisper" pronouns="they/them" species="Shade" storyRole="Wild Card"> <eyeColor>faintly glowing violet</eyeColor> <height>approximately 6'2" in solid form</height> <age>ageless</age> <form>humanoid silhouette of living shadow, can shift between solid and incorporeal</form> <voice>sounds like a whisper carried on the wind</voice> <description>A being of living shadow, existing between the mortal plane and the spaces between realms.</description> <backstory>Nyx was once a human sorcerer named Aldric who became trapped between realms during a failed summoning ritual in 1643. They now exist as a Shade, bound to the mortal plane but able to slip between shadows.</backstory> </character> <character id="4424" name="Isolde Varga" aliases="Isolde, the Seer" pronouns="she/her" species="Half-Fae" storyRole="Oracle"> <eyeColor>pale lavender</eyeColor> <hair>silver, reaching her waist</hair> <height>5'5"</height> <age>300 years old</age> <appearance>ethereal, ageless</appearance> <speech>speaks in riddles</speech> <footprints>leaves no footprints when she walks</footprints> <compulsion>cannot lie (Fae compulsion) but can mislead</compulsion> <description>A Half-Fae seer exiled from the Fae Courts for sharing visions with mortals.</description> <backstory>She now lives in a hidden grove in Richmond Park, offering cryptic prophecies to those who seek her out.</backstory> </character> <location id="853" name="Dymas (Gluttony)" aliases="Dymas, gluttony, Dymasian" realm="Hel" sin="Gluttony"> <ruler>Prince Belphegor</ruler> <skyColor>warm amber</skyColor> <description>A place of excess and indulgence. Sprawling vineyards, orchards, and gardens provide exotic ingredients for master chefs — often helbound souls contracted from Earth. Grand feasts and culinary competitions are common.</description> </location> <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> <item id="2006" name="Fae-Forged Blade" aliases="the Fae blade, Isolde's gift" type="Weapon" origin="The Fae Courts"> <material>moonsilver</material> <shape>slender, leaf-shaped dagger</shape> <temperature>always cold to the touch</temperature> <glow>faintly luminescent in moonlight</glow> <power>can cut through magical wards; particularly effective against demons</power> <givenTo>given to Aurora by Isolde as a gift</givenTo> <description>A weapon of the Fae Courts, rare and highly coveted.</description> </item> <lore id="7001" name="The Veil" aliases="the Veil, the Barrier, the Boundary" category="Cosmology"> <solsticeEffect>weakens during the winter solstice, strengthens during the summer solstice</solsticeEffect> <appearance>faint shimmering distortion visible only to those with supernatural sight</appearance> <monitoring>rift points (tears in the Veil) are monitored by the Wardens</monitoring> <description>The Veil is the metaphysical barrier separating Earth from Hel and the Fae Realms.</description> </lore> </codex> Write a fully fleshed out scene of at least 1000 words in the fantasy genre. A small group enters an ancient, otherworldly place for the first time. The environment is alien and wondrous. Describe their exploration — what they see, hear, and feel as they move deeper. Include moments of discovery, unease, and wonder. Let the world-building emerge through the characters' experience rather than exposition. Use the codex entries above as your world reference for characters, setting, and lore. Only include the prose of the scene without any markdown or commentary.
Model response
Messages
Meta
AI
The silver chain around Aurora's neck grew warm against her skin as she stepped through the shimmering distortion that marked the boundary of the Fae Grove. The Heartstone Pendant pulsed once, then settled into a gentle rhythm that matched her heartbeat. Behind her, she heard Nyx's form solidify with a sound like wind through leaves, while Isolde's
footsteps
made no sound at all on the forest floor. "The stones recognize you now," Isolde said, her voice carrying that musical quality that made Aurora's teeth ache. "The Grove knows its own." Aurora touched the pendant through her jacket, feeling its warmth seep through the fabric. The ancient oak standing stones they'd passed between still hummed with residual energy, their bark smooth as glass and marked with spiraling symbols that
seemed to
shift when she
wasn't looking
directly at them. Now, as they moved deeper into the Grove, the air itself felt different—thicker, charged with possibility. The first thing that struck her was the light. It filtered through leaves that shouldn't exist, creating patterns of gold and green that
dance
d across her skin. The canopy overhead wasn't quite oak, wasn't quite anything she could name. The leaves were the right shape but wrong in their substance, catching light like stained glass and casting it in colors that had no earthly names. "How long have we been walking?" Nyx asked, their voice a whisper that
seemed to
come from e
very
where at once. In this place, their shadow-form looked less alien, more like another natural phenomenon among the Grove's impossibilities. Aurora checked her phone and frowned. The screen showed no signal, and the time display
flickered
between numbers that made no sense. "Time moves differently here," she said, remembering Isolde's warning. "An hour inside could be minutes outside. Or days." They continued along what might generously be called a path—a winding track where the grass grew shorter and softer, cushioning their steps. Wildflowers bloomed on either side in defiance of the December chill they'd left behind in Richmond Park. Aurora knelt to examine a cluster of blossoms that
seemed to
glow from within, their petals shifting through spectrums of blue and violet. "Moonbell flowers," Isolde said, though she offered no further explanation. "They sing to those who listen." Aurora tilted her head, straining her ears. At first she heard nothing but the rustle of leaves and Nyx's incorporeal movements. Then, gradually, a sound emerged—not quite music, not quite voices, but something that made her chest tight with homesickness for places she'd never been. "I can hear them," she whispered, wonder creeping into her voice despite her best efforts to remain analytical. The flowers' song
seemed to
speak of moonlit meadows and
dancing
shadows, of lovers' promises and secrets whispered in the dark. She reached out to touch one and jerked her hand back as the petals flared brighter. "Best not," Isolde said
gently
. "The Grove gives freely, but it also takes what it deems fair payment." They pressed deeper into the impossible landscape. Aurora's deli
very
-driver instincts kept trying to map their route, to track landmarks and distances, but the Grove defied such mundane concerns. A stream that babbled merrily on their left somehow
managed to
cross their path three times without them changing direction. Trees appeared and disappeared like thoughts half-remembered, and paths branched in directions that geometry insisted shouldn't exist. Nyx drifted closer to her, their shadow-form rippling with uncharacteristic uncertainty. "This place," they said, their whisper-voice tighter than usual. "It reminds me of the spaces between realms. The void where I was trapped." Aurora felt a
pang
of sympathy for the ancient shade. She could see how the Grove's fluid reality might
echo
Nyx's own liminal existence, caught between worlds and forms. "Are you all right?" "I will endure." But their form
flickered
, becoming less solid, as if the Grove's magic
was calling
to the shadow-stuff of their being. They emerged into a circular clearing where the impossible became sublime. In the center stood what Aurora first took to be a tree, then realized was something far more ancient. Its trunk was silver-white, like moonlight made solid, and its branches spread in perfect spirals that hurt to follow with her eyes. The leaves were transparent, catching and reflecting light that came from no visible source. "The Heart Tree," Isolde said, and for once her riddling manner was absent, replaced by something approaching reverence. "It grows at the crossroads between realms, its roots touching all worlds." Aurora approached
slowly
, the Heartstone Pendant growing warmer with each step. The tree's presence filled her with a mixture of awe and terror—like standing at the edge of an ocean during a storm, simultaneously drawn to its power and aware of her own insignificance. The air around the tree
shimmered
with the same distortion they'd seen at the Grove's entrance, but stronger, more alive. "It's beautiful," she breathed, then immediately felt foolish for such an inadequate word. Nyx had stopped at the clearing's edge, their form barely maintaining coherence. "I cannot go closer," they said, their voice fading to barely audible. "It calls to what I am, tries to unmake me." Isolde nodded as if this was expected. "The Heart Tree sees all things as they
truly
are. For one such as Nyx, whose
very
existence is a rebellion against natural order, it can be... overwhelming." Aurora reached the tree's base and placed her palm against its silver bark. The contact sent a shock through her entire body—not painful, but
profound
, like touching a live wire made of starlight. Images flashed through her mind: London's streets from impossible angles, shadows moving with purpose through alleyways that existed between the spaces of the real world, corridors of amber light where figures in
silk
robes prepared feasts for the damned. She gasped and pulled her hand away, staggering backward. The Heartstone Pendant was hot against her chest now, pulsing in rhythm with something vast and distant. In that brief contact, she'd felt the tree's awareness—ancient beyond measure, patient as stone, watching the
dance
of mortals and immortals with eyes that had seen the birth of worlds. "What did you see?" Isolde asked, her pale lavender eyes intent. "E
very
thing," Aurora whispered, her analytical mind struggling to process the experience. "The city, the realms beyond—it's all connected, isn't it? The Veil, the portals, the spaces between. It's not separate worlds. It's one world, just... folded." "The first lesson of the Grove," Isolde said with approval. "Reality is not the fixed thing mortals believe it to be. It bends, it flows, it dreams." A sound
echo
ed across the clearing—distant but growing closer, like
footsteps
on leaves that were both there and not there. Aurora's hand went instinctively to the Fae-forged blade at her side, its moonsilver cool against her palm even in this place of wonders. "We are not alone," Nyx observed, their form solidifying with effort as they drew closer to their companions. The
footsteps
circled the clearing but never quite resolved into a visible source. Aurora felt watched, evaluated, as if the Grove itself
was taking
her measure. The Heartstone Pendant continued its warm pulsing, and she realized it wasn't just responding to Hel portals as she'd thought. It
was responding
to the thinning of boundaries, to places where the Veil wore gossamer-thin and the impossible bled through. "The Grove tests all who enter," Isolde said, her silver hair stirring in a breeze that touched nothing else. "It shows truth to some, madness to others. Which will it be for you, Aurora Carter?" The unseen presence
seemed to
pause, waiting for an answer Aurora didn't know how to give. Around them, the wildflowers sang their wordless songs, the Heart Tree hummed with power that predated human civilization, and time flowed like honey mixed with quicksilver. She was a deli
very
driver from London, armed with a Fae blade and a mysterious pendant, standing at the crossroads of worlds she'd never imagined. The
footsteps
resumed their circling, and Aurora straightened her shoulders, meeting the Grove's invisible scrutiny with the same steady determination that had carried her through law school, through Evan's abuse, through the strange new reality that had claimed her life. "I'm still deciding," she said aloud, and
was surprised
to hear her own voice ring clear and unafraid in the
otherworldly
silence. In response, the Grove laughed—a sound like silver bells and running water, ancient and eternally young, welcoming her deeper into its mysteries.
Evaluation details
Result
Evaluator
Details
Meta Data
8.3333%
Adverbs in dialogue tags
Target: ≤10% dialogue tags with adverbs
totalTags
16
adverbTagCount
6
adverbTags
0
"Isolde said, though she offered no further explanation [further]"
1
"Isolde said gently [gently]"
2
"Isolde said, and for once her riddling manner was absent, replaced by something approaching reverence [once]"
3
"she breathed, then immediately felt foolish for such an inadequate word [then immediately such]"
4
"they said, their voice fading to barely audible [barely]"
5
"she said aloud, and was surprised to hear her own voice ring clear and unafraid in the otherworldly silence [otherworldly]"
71.8508%
AI-ism adverb frequency
Target: <1% AI-ism adverbs (57 tracked)
wordCount
1421
totalAiIsmAdverbs
4
found
0
adverb
"gently"
count
1
1
adverb
"slowly"
count
1
2
adverb
"truly"
count
1
3
adverb
"very"
count
1
highlights
0
"gently"
1
"slowly"
2
"truly"
3
"very"
100.0000%
AI-ism character names
Target: 0 AI-default names (17 tracked, −20% each)
codexExemptions
(empty)
found
(empty)
100.0000%
AI-ism location names
Target: 0 AI-default location names (33 tracked, −20% each)
codexExemptions
(empty)
found
(empty)
0.0000%
AI-ism word frequency
Target: <1% AI-ism words (140 tracked)
wordCount
1421
totalAiIsms
15
found
0
word
"pang"
count
1
1
word
"flickered"
count
2
2
word
"shimmered"
count
1
3
word
"otherworldly"
count
1
4
word
"silk"
count
1
5
word
"profound"
count
1
6
word
"dance"
count
1
7
word
"dancing"
count
1
8
word
"footsteps"
count
4
9
word
"echo"
count
1
10
word
"echoed"
count
1
highlights
0
"pang"
1
"flickered"
2
"shimmered"
3
"otherworldly"
4
"silk"
5
"profound"
6
"dance"
7
"dancing"
8
"footsteps"
9
"echo"
10
"echoed"
100.0000%
Cliche density
Target: ≤1 cliche(s) per 800-word window
totalCliches
0
maxInWindow
0
found
(empty)
highlights
(empty)
100.0000%
Emotion telling (show vs. tell)
Target: ≤3% sentences with emotion telling
emotionTells
1
narrationSentences
71
matches
0
"was surprised"
100.0000%
Filter word density
Target: ≤12% sentences with filter/hedge words
filterCount
0
hedgeCount
6
narrationSentences
71
filterMatches
(empty)
hedgeMatches
0
"seemed to"
1
"managed to"
100.0000%
Overuse of "that" (subordinate clause padding)
Target: ≤10% sentences with "that" clauses
thatCount
0
totalSentences
83
matches
(empty)
87.0366%
Paragraph length variance
Target: CV ≥0.5 for paragraph word counts
totalParagraphs
34
mean
41.29
std
18.77
cv
0.455
sampleLengths
0
67
1
23
2
64
3
65
4
37
5
40
6
62
7
16
8
45
9
55
10
18
11
65
12
34
13
33
14
23
15
66
16
30
17
64
18
13
19
34
20
35
21
72
22
56
23
11
24
36
25
27
26
43
27
18
28
66
29
35
30
67
31
40
32
22
33
22
100.0000%
Passive voice overuse
Target: ≤5% passive sentences
passiveCount
1
totalSentences
71
matches
0
"was surprised"
100.0000%
Past progressive (was/were + -ing) overuse
Target: ≤10% past progressive verbs
pastProgressiveCount
4
totalVerbs
208
matches
0
"wasn't looking"
1
"was calling"
2
"was taking"
3
"was responding"
100.0000%
Purple prose (modifier overload)
Target: <4% adverbs, <2% -ly adverbs, no adj stacking
wordCount
1200
adjectiveStacks
0
stackExamples
(empty)
adverbCount
39
adverbRatio
0.0325
lyAdverbCount
14
lyAdverbRatio
0.011666666666666667
100.0000%
Repeated phrase echo
Target: ≤20% sentences with echoes (window: 2)
totalSentences
83
echoCount
0
echoWords
(empty)
100.0000%
Sentence length variance
Target: CV ≥0.4 for sentence word counts
totalSentences
83
mean
16.92
std
7.44
cv
0.44
sampleLengths
0
26
1
15
2
26
3
18
4
5
5
14
6
34
7
16
8
9
9
18
10
12
11
26
12
20
13
17
14
6
15
16
16
9
17
9
18
22
19
17
20
23
21
10
22
6
23
7
24
14
25
24
26
18
27
21
28
16
29
5
30
13
31
7
32
21
33
20
34
17
35
11
36
9
37
14
38
10
39
19
40
4
41
23
42
11
43
19
44
22
45
14
46
18
47
12
48
11
49
33
53.0120%
Sentence opener variety
Target: ≥60% unique sentence openers
consecutiveRepeats
6
diversityRatio
0.3614457831325301
totalSentences
83
uniqueOpeners
30
0.0000%
Dialogue tag variety (said vs. fancy)
Target: ≤30% fancy dialogue tags
totalTags
16
fancyCount
12
fancyTags
0
"Isolde said, her voice carrying that musical quality that made Aurora's teeth ache (say, carry make ache)"
1
"she said, remembering Isolde's warning (say, remember)"
2
"Isolde said, though she offered no further explanation (say, offer)"
3
"she whispered, wonder creeping into her voice despite her best efforts to remain analytical (whisper, wonder creeping remain)"
4
"Isolde said gently (say gently)"
5
"Isolde said, and for once her riddling manner was absent, replaced by something approaching reverence (say, riddle be replace)"
6
"she breathed, then immediately felt foolish for such an inadequate word (breathe, immediately feel)"
7
"they said, their voice fading to barely audible (say, fade)"
8
"Aurora whispered, her analytical mind struggling to process the experience (whisper, process)"
9
"Nyx observed, their form solidifying with effort as they drew closer to their companions (observe, solidify drew)"
10
"Isolde said, her silver hair stirring in a breeze that touched nothing else (say, stir)"
11
"she said aloud, and was surprised to hear her own voice ring clear and unafraid in the otherworldly silence (say surprise hear otherworldly silence)"
77.6608%