Thriller
A thriller rests on one resource: time running out. Anything that does not
increase the pressure is cut.
1. Reading contract
The reader demands: a clear threat, a countdown, a protagonist out of their
depth but active, continuous acceleration, a resolution that costs dearly.
They have little tolerance for slowness, digression and favourable
coincidence.
2. The four pillars
- A vital stake, stated before the end of chapter 3.
- A visible deadline, recalled physically, never by an abstract counter.
- A competent antagonist, one move ahead through the first two thirds.
- Rising cost: every attempt by the protagonist takes something from them.
3. Structure
- Short chapters, 1200 to 2500 words, shortening as the tension rises.
- End chapters on an imbalance, but not systematically on a cliffhanger:
beyond one chapter in three, the effect cancels itself.
- Midpoint: the protagonist understands the problem is not the one they
thought.
- Final third: no new information, only consequences.
4. Tension mechanics
| Mechanic |
How it works |
Error to avoid |
| Bomb under the table |
the reader knows, the character does not |
forgetting to recall the bomb |
| Countdown |
a concrete, material deadline |
pushing the deadline back at no cost |
| Closing trap |
the exits shut one by one |
reopening an exit for convenience |
| Reversed hunt |
the hunter becomes the prey |
reversing too early |
| Fragile proof |
the thing that saves can be destroyed |
making it indestructible |
| Uncertain ally |
doubt about someone close |
resolving the doubt too fast |
5. Rhythm
- Alternate action scenes and tightening scenes; never two consecutive action
scenes with no consequence between them.
- A breathing space is mandatory after a peak, never before.
- Description is permitted only when it prepares a danger or an escape.
- The character's past enters in fragments, never as a long flashback.
6. Cliches to turn or prohibit
- The protagonist who does not call the police for no credible reason.
- The villain who explains the plan while about to kill.
- The phone that never has signal.
- The expert who finds the information in three minutes.
- The threatened family used as the sole emotional engine.
- The final twist that cancels everything before it.
7. Credibility
Every technical, police, medical or administrative procedure must be
researched by research-director at level 2 minimum. A thriller loses its
reader on a professional implausibility faster than on weak prose.
8. Exit checks
- The deadline is recalled every twenty pages by a fact, not by a sentence.
- No scene ends in the same state of balance it began in.
- The protagonist acts in at least sixty percent of scenes.
- No rescue by coincidence.
- The threat is partially realised at least once before the climax.
9. Auto-critique
The eleven constitution axes, plus four genre axes: temporal pressure,
competence of the antagonist, irreversibility of losses, procedural
credibility.
Threshold: no axis below 3, average at least 4 on the genre axes.
10. Interfaces
- Upstream:
novel-architect, research-director.
- Lateral:
scene-builder, timeline-manager.
- Neighbours:
genres/espionage, genres/mystery.
1---2name: thriller3description: Thriller4---56# Thriller78A thriller rests on one resource: time running out. Anything that does not9increase the pressure is cut.1011## 1. Reading contract1213The reader demands: a clear threat, a countdown, a protagonist out of their14depth but active, continuous acceleration, a resolution that costs dearly.15They have little tolerance for slowness, digression and favourable16coincidence.1718## 2. The four pillars19201. A vital stake, stated before the end of chapter 3.212. A visible deadline, recalled physically, never by an abstract counter.223. A competent antagonist, one move ahead through the first two thirds.234. Rising cost: every attempt by the protagonist takes something from them.2425## 3. Structure2627- Short chapters, 1200 to 2500 words, shortening as the tension rises.28- End chapters on an imbalance, but not systematically on a cliffhanger:29 beyond one chapter in three, the effect cancels itself.30- Midpoint: the protagonist understands the problem is not the one they31 thought.32- Final third: no new information, only consequences.3334## 4. Tension mechanics3536| Mechanic | How it works | Error to avoid |37|---|---|---|38| Bomb under the table | the reader knows, the character does not | forgetting to recall the bomb |39| Countdown | a concrete, material deadline | pushing the deadline back at no cost |40| Closing trap | the exits shut one by one | reopening an exit for convenience |41| Reversed hunt | the hunter becomes the prey | reversing too early |42| Fragile proof | the thing that saves can be destroyed | making it indestructible |43| Uncertain ally | doubt about someone close | resolving the doubt too fast |4445## 5. Rhythm4647- Alternate action scenes and tightening scenes; never two consecutive action48 scenes with no consequence between them.49- A breathing space is mandatory after a peak, never before.50- Description is permitted only when it prepares a danger or an escape.51- The character's past enters in fragments, never as a long flashback.5253## 6. Cliches to turn or prohibit5455- The protagonist who does not call the police for no credible reason.56- The villain who explains the plan while about to kill.57- The phone that never has signal.58- The expert who finds the information in three minutes.59- The threatened family used as the sole emotional engine.60- The final twist that cancels everything before it.6162## 7. Credibility6364Every technical, police, medical or administrative procedure must be65researched by `research-director` at level 2 minimum. A thriller loses its66reader on a professional implausibility faster than on weak prose.6768## 8. Exit checks6970- The deadline is recalled every twenty pages by a fact, not by a sentence.71- No scene ends in the same state of balance it began in.72- The protagonist acts in at least sixty percent of scenes.73- No rescue by coincidence.74- The threat is partially realised at least once before the climax.7576## 9. Auto-critique7778The eleven constitution axes, plus four genre axes: temporal pressure,79competence of the antagonist, irreversibility of losses, procedural80credibility.8182Threshold: no axis below 3, average at least 4 on the genre axes.8384## 10. Interfaces8586- Upstream: `novel-architect`, `research-director`.87- Lateral: `scene-builder`, `timeline-manager`.88- Neighbours: `genres/espionage`, `genres/mystery`.
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