In any self-respecting novel, an author will serve up fictional characters that are armed with goals, have obstacles to overcome, and conflicts they need to manage. It is also the job of a writer to make a story compelling to an audience by ensuring that these characters are relatable. Character development is one of the most commonly used terms in the literary world, and knowing how to use it in your fictional writing is one of the most important parts of your story’s narrative arc. Join us today at What We Writing as we run you through how to develop fictional characters, exploring everything from selling a convincing backstory, developing a unique voice, to the best lessons we can learn from the most successful authors in the world.
What Is Character Development? (And Why Does It Matter?)
Character development is the process of moulding a fictional character into a fully realised, believable person on the page. Think of it as how a character’s personality, quirks, strengths, flaws, and beliefs all grow throughout the course of a story – or, sometimes, how their refusal or inability to change becomes just as central to the plot.
At its heart, character development can be split into two forms:
Internal Character Development
This is the emotional or psychological journey a character embarks on. It includes:
- How their beliefs change
- What fears they learn to face
- What they learn about themselves
- The “inner arc” that changes who they are, not just what they do.
Think of it as the story happening inside them.
External Character Development
This refers to the outward changes in your character’s circumstances – their relationships, occupation, environment, status, or physical state. It’s the visible transformation that either matches or clashes with their inner journey.
The most memorable characters in literature are the ones that experience both of these: the inner struggle drives the external change, and the external stakes force the character to grow.
Why Does Character Development Matter?
Strong character development is the glue that holds a story together. Without it:
- The plot feels hollow
- The stakes don’t land
- Readers struggle to care about what happens next
When your audience understands what a character wants, why they want it, and what stands in their way, every plot beat gains emotional meaning. Character development fuels tension, deepens themes, and lends your story momentum – because when a character changes, the story changes with them.
Character Development vs. Characterisation
These two terms are often used interchangeably, but they aren’t quite the same thing.
- Characterisation is the surface-level detail: appearance, habits, likes, dislikes, quirks, clothing, speech patterns. It’s who the character seems to be.
- Character development is the growth beneath the surface: the emotional arc, the choices that reveal true values, the decisions that reshape them. It’s who the character becomes.
To summarise the two: characterisation builds the character; however, character development transforms them.
Check Out Our Guide On How To Write A Good Character
The Foundation: Establish Your Character’s Core
Before you start thinking about backstory and personality traits, the strongest place to begin developing your fictional characters is by considering their core drivers. These four elements – motivation, goal, fear, and need – shape everything your characters do, and every decision they make.
When you get these right, your character becomes immediately more believable, more compelling, and far easier to write.
Motivation: What Drives Them
Your character’s motivation is the deep, underlying reason they behave as they do. It’s emotional, not practical.
Motivation answers: “Why does it matter to them?”
Examples:
- They want to protect their loved ones because they grew up feeling unsafe.
- They pursue success because they’re terrified of being overlooked.
- They chase adventure because staying still feels like dying.
Motivation creates empathy because audiences understand the crucial why behind the character’s choices.
Goal: What They Want
Whilst motivation is emotional, the goal is concrete and measurable. It’s the thing your characters are actively looking to achieve.
Goals answer: “What are they trying to do?”
Examples:
- Win a court case
- Reconnect with a family member
- Escape a perilous summer camp
- Solve a murder
- Get a promotion
Goals create plot direction. A character with a goal automatically generates conflict – and therefore a story.
Fear: What Holds Them Back
Your character’s fear is the internal force that keeps them from easily getting what they want.
Fear answers: “What are they afraid will happen if they try – or if they fail?”
Examples:
- Fear of being rejected
- Fear of being vulnerable
- Fear of repeating a previous mistake
- Fear of losing control
- Fear of conflict
Fear creates internal tension, making characters feel human and layered.
Need: What They Must Learn
The need is the lesson or realisation that your character needs to embrace before they grow. It’s the heart of their character arc.
Need answers: “What truth must they accept to overcome their fear and achieve meaningful change?”
Examples:
- They need to trust others
- They need to forgive themselves
- They need to let go of perfection
- They need to confront their past, instead of running from it
The characters’ need often conflicts with their goal, which creates rich, believable storytelling.
Build A Believable Backstory (Minus Info Dumping)
A great backstory doesn’t read like a bibliography – it subtly shapes everything your characters think and decide on in the present. When done well, backstories provide depth without ever slowing down your narrative. When done poorly, they become an info dump that your readers will skip through.
Here’s how to build a backstory that feels authentic and drives the story forward.
Create a Backstory That Shapes Present Behaviour
The key to a believable backstory is cause and effect. Your characters’ past needs to:
- Explain their motivations
- Shape their worldview
- Influence their fears and insecurities
- Justify why they react the way they do
- Impact how they behave under pressure
Instead of writing a long history, focus on one or two crucial moments that still impact the character emotionally. Ask yourself: What happened to them before the first page that still controls what they say, want, avoid, or believe?
Check Out Our Guide To Writing Subtext For Your Characters
If it doesn’t affect them in the present, it doesn’t need to be in the story.
The “Wound + Lie” Technique
This classic story tool (popularised by Lisa Cron and still widely used in character-driven fiction) is one of the most effective ways to build a meaningful backstory.
1. The Wound – The Moment That Hurt Them
This is the past experience that left an emotional scar. Examples include:
- A betrayal
- A childhood abandonment
- A humiliating failure
- A traumatic experience
- A loss they never moved on from
The wound explains why your characters protect themselves from.
2. The Lie – The False Belief They Took From It
From the wound comes a belief about themselves or the world that isn’t true, but feels true. Examples here would be:
- “People always leave.”
- “If I’m not perfect, I’m worthless.”
- “Showing vulnerability gets me hurt.”
- “Love is dangerous.”
- “I can only rely on myself.”
The “lie” becomes the barrier your character needs to grow – and it connects directly to their motivation, fear, and need.
This technique is especially effective for writers who want emotionally grounded, character-driven stories.
Develop Personality, Voice, and Mannerisms
Once your characters’ internal foundation is laid, it’s time to shape how they express themselves on the page. Personality, voice, and mannerisms are the outward markers that help readers immediately understand who your character is – without ever having to spell it out.
The aim here is to make your character feel like a real person, rather than a collection of cliches.
How to Choose Personality Traits Without Cliches
When writers land on traits like “brave,” “sarcastic,” or “kind,” characters can easily fall into familiar archetypes. The key to avoiding cliches is specificity and contrast.
To build a nuanced personality:
- Choose traits that create tension with others.
- Avoid single-word labels; describe behaviours instead.
- Tie traits to motivation or backstory.
- Give them one trait that surprises you.
How Voice Reveals Character
A character’s voice is one of the strongest tools for showing who they are. It isn’t just about how they spark – it’s how they think, how they narrate, and what they notice.
A convincing character voice is shaped by:
- Vocabulary: A scientist, a teenager, and a soldier will all use different language.
- Sentence rhythm: Some speak in quick fragments; others ramble on.
- Emotional filters: What they fixate on tells us what matters to them.
- Attitude and tone: Cynical, hopeful, cautious, exuberant.
Voice is character. If you write the same sentence in three different characters, each one should sound unmistakably different.
Mannerisms That Matter (Show, Don’t Tell)
Mannerisms are small behaviours that reveal personality without explanation. But the trick here is this: only choose mannerisms that have meaning.
Strong mannerisms:
- Reveal inner emotional states
- Reflect backstory or fears
- Show more than the character is willing to say
- Create consistency and recognisability
Examples:
- A character who picks lint off their clothes when they’re lying
- Someone who always positions themselves near the exit
- A protagonist who taps their ring when they’re anxious
- A character who never raises their voice – even when they’re furious
These gestures shouldn’t be decorative; they should be clues.
Create Dynamic Relationships That Reveal Character
Characters don’t exist in isolation – they come alive through the people they interact with. Relationships provide a story with friction, comfort, conflict, and connection that showcase exactly who your characters really are. Just like with real life, the people around your protagonist mould them, challenge them, and expose their contradictions.
Well-built character dynamics are one of the most useful tools in a writer’s workshop.
Characters Are Revealed Through Conflict and Connection
A character might say who they are; however, their relationships show who they are.
- Put them in conflict → You reveal their values, fears, and impulses.
- Put them in connection → You reveal their vulnerabilities, desires, and loyalties.
And conflict doesn’t always have to mean arguments. It can be:
- A clash of goals
- Opposing worldviews
- A stubborn refusal to communicate
- A mentor pushing a student past their comfort zone
- A friend telling the truth, they don’t want to hear
Connection can look like:
- Shared vulnerability
- A moment of genuine, unexpected kindness
- A grudging respect that grows over time
- A relationship that softens or sharpens the character
When you design relationships purposefully, every interaction becomes an opportunity for growth – or failure.
Relationship Arcs
A good relationship develops over time. That change – whether it’s positive or negative – adds shape to your story. Common types of relationship arcs in books include:
Positive Arc
- Enemies → allies
- Strangers → soulmates
- Mentor/student → equals
- Cold colleagues → trusted partners
These arcs show emotional expansion and trust.
Negative Arc
- Friends → enemies
- Lovers → adversaries
- Mentor/student → disillusionment
- Family members → estranged
Negative arcs provide tragedy, tension, and realism.
Transformational Arc
- Both characters change one another
- Their flaws collide and force growth
- The relationship becomes a catalyst for the story’s core theme
These arcs work brilliantly in coming-of-age, romance, and literary fiction novels.
Static But Meaningful Arc
- Some relationships don’t change – but deepen
- A lifelong friendship, a steady sibling bond, a consistent mentor
- Stability provides contrast to the protagonist’s internal chaos
Well-crafted relationship arcs strengthen pacing, thematic resonance, and emotional depth – and they turn side characters into essential story pillars.
Wrap Up
At the end of the day, character is plot. What happens in your story only matters because it collides with your character’s fears, desires, wounds, and decisions. When your characters grow, so too does your plot. When they resist change, the tension mounts. When they finally transform – or fail to – the emotional payoff sticks.
The best way to keep your fictional characters evolving is to treat development as an iterative process, not a one-time checklist. Keep returning to your characters’ motivations, fears, and needs as you draft. Notice how each new scene challenges or deepens those components. Allow relationships to shift them, let conflict pressure them.
Your job isn’t just to map out who your character is at the start and then again at the end – it’s to stay curious about who they are becoming along the way.
And if you’re on the hunt for more writing guidance, character worksheets, or the best writing prompts to inspire your next great lead, check out the rest of our posts!
James has been passionate about storytelling ever since he could hold a pen. Inspired by the epic fantasy and historical dramas he devoured in his youth, his work now centers on dark, psychological tales featuring intense, introspective characters and atmospheric, gothic undertones. In 2025, he founded What We Writing to share his creative journey and the lessons he’s learned along the way with fellow writers and passionate storytellers.
