---
name: arc-check
wtfbId: wtfb:arc-check
description: |
  This skill validates character arc development throughout a screenplay.
  Covers positive, negative, transformational, and flat arc types with
  examples from classic films like Tootsie, The Godfather, and Empire of the Sun.

  Use when: tracking character development, ensuring meaningful transformation,
  validating emotional journeys, or identifying flat or static characters.
---

# Arc Check Skill

## Invocation Triggers
Apply this skill when:
- Tracking character development through a story
- Ensuring meaningful character transformation
- Validating emotional journey of characters
- Identifying flat or static characters

## Understanding Character Arcs

A character arc is the status of the character as it unfolds throughout the story, the storyline, or series of episodes. Since the definition of character arc centers on the character, it is generally equated as the emotional change of the character within the narrative.

Characters begin the story with a certain viewpoint and, through events in the story, that viewpoint changes. Often this change is for the better, but it can also be for the worse or simply different.

## Arc Types

### Positive Arc (Growth)
Character overcomes a flaw or limitation.
- **Example - Tootsie**: Dustin Hoffman's character begins as a misogynistic chauvinist but when forced to play the part of a woman, he experiences a change in how he views women.

### Negative Arc (Fall)
Character succumbs to a flaw or becomes worse.
- **Example - The Godfather**: Michael Corleone at first doesn't want anything to do with his father's crime business. When his father is attacked, Michael realizes his love for his father and begins a war of retribution, becoming the very thing he rejected.

### Transformational Arc (Change)
Character becomes fundamentally different (neither better nor worse).
- **Example - Empire of the Sun**: Jim begins as a carefree young boy. After the Japanese take over Shanghai, he is forced to suffer trauma because of the war.

### Flat Arc (Catalyst)
Character doesn't change but causes change in others.
- **Example - Superman/Indiana Jones**: The hero remains constant while transforming the world around them.

## Arc Tracking Template

### Single Character Arc Worksheet

```markdown
## Character Arc: [CHARACTER NAME]

### Starting Point
VIEWPOINT: ___________________________________
BELIEF: ___________________________________
FLAW/LIMITATION: ___________________________________
STATUS: ___________________________________

### Event 1: [Page ___]
What happens: ___________________________________
Impact on viewpoint: ___________________________________

### Event 2: [Page ___]
What happens: ___________________________________
Impact on viewpoint: ___________________________________

### Event 3: [Page ___]
What happens: ___________________________________
Impact on viewpoint: ___________________________________

### Midpoint Shift: [Page ___]
What changes: ___________________________________
New direction: ___________________________________

### Event 4: [Page ___]
What happens: ___________________________________
Impact on viewpoint: ___________________________________

### Dark Night/Crisis: [Page ___]
Lowest point: ___________________________________
Confronting truth: ___________________________________

### Ending Point
NEW VIEWPOINT: ___________________________________
NEW BELIEF: ___________________________________
FLAW RESOLVED/EMBRACED: ___________________________________
NEW STATUS: ___________________________________

### Arc Assessment
TYPE: [ ] Positive [ ] Negative [ ] Transformational [ ] Flat
DEGREE OF CHANGE: [ ] Dramatic [ ] Moderate [ ] Subtle
BELIEVABLE: [ ] Yes [ ] No - Why: _______________
```

## Multi-Character Arc Chart

Track multiple character arcs across the three-act structure:

```markdown
| Character | ACT 1 Status | ACT 2 Status | ACT 3 Status | Arc Type |
|-----------|--------------|--------------|--------------|----------|
| | | | | |
| | | | | |
| | | | | |
| | | | | |
```

## Extended Series Arc Tracking

Unlike a story arc, the character arc is not confined within the limits of one story. The character arc may extend over to the next story, a sequel, or another episode.

### Series Arc Example - Star Wars Prequels
Over the course of the trilogy, Anakin Skywalker goes from:
- Protector of the Old Republic →
- Corrupted by Palpatine →
- Becomes the villainous Darth Vader

### Series Arc Template

```markdown
## Series Arc: [CHARACTER NAME]

### Episode/Film 1
Starting point: ___________________________________
Ending point: ___________________________________

### Episode/Film 2
Starting point: ___________________________________
Ending point: ___________________________________

### Episode/Film 3
Starting point: ___________________________________
Ending point: ___________________________________

### Overall Arc
TRANSFORMATION: From _______________ to _______________
```

## Arc Diagnostic Questions

1. **Does the character change?**
   - If no, are they a catalyst character?
   - If yes, is the change earned through story events?

2. **Is the arc visible?**
   - Can you point to specific scenes showing the change?
   - Is the transformation shown, not just told?

3. **Is the arc necessary?**
   - Does the plot require this change?
   - Does the theme require this change?

4. **Is the arc believable?**
   - Are there enough events to justify the change?
   - Is the change too sudden or too gradual?

5. **Does the arc resonate?**
   - Will audiences connect with this journey?
   - Is there a universal truth in this transformation?

## Common Arc Problems

| Problem | Symptom | Solution |
|---------|---------|----------|
| No arc | Character same at end | Add transformative events |
| Rushed arc | Change feels unearned | Add more building events |
| Invisible arc | Change happens off-screen | Show the moments of change |
| Wrong arc | Character changes in unrelated way | Align arc with theme |
| Abandoned arc | Arc starts but doesn't complete | Follow through to resolution |

## Validation Checklist

- [ ] Each major character's starting viewpoint identified
- [ ] Key events that change viewpoint documented
- [ ] Ending viewpoint is different from start
- [ ] Arc type identified (positive/negative/transformational/flat)
- [ ] Change is visible on screen, not just told
- [ ] Arc supports the theme of the story
- [ ] Transformation is earned through story events