Non-player character

Non-Player Character: Build One That Wants Something

An NPC is anyone in the scene who isn't you. Give one a want, a secret and a limit, then talk to them in a scene that remembers what you did.

Zhongli — The consultant who knows every contract in the room, including the one you signed. — **Zhongli** — The consultant who knows every contract in the room, including the one you signed.

Raiden Shogun — The archon who made stillness a law. She will hear one appeal. — **Raiden Shogun** — The archon who made stillness a law. She will hear one appeal.

Nahida — The archon who remembers what everyone else would rather forget. — **Nahida** — The archon who remembers what everyone else would rather forget.

Venti — The bard with a tab of his own and a story he will not finish. — **Venti** — The bard with a tab of his own and a story he will not finish.

Tartaglia — The Harbinger who came to talk. Probably. — **Tartaglia** — The Harbinger who came to talk. Probably.

Jujutsu Kaisen · Yuji Itadori — Yuji comes back with his uniform torn and a question he cannot ask straight. He wants you to stay; what shares his body is the limit. — **Jujutsu Kaisen · Yuji Itadori** — Yuji comes back with his uniform torn and a question he cannot ask straight. He wants you to stay; what shares his body is the limit.

Demon Slayer · Tanjiro Kamado — Tanjiro has a want he will not name while your ribs are taped: he wants you off the next mission. — **Demon Slayer · Tanjiro Kamado** — Tanjiro has a want he will not name while your ribs are taped: he wants you off the next mission.

Demon Slayer · Inosuke Hashibira — Inosuke knows what you are and still sits down to talk. He wants a reason not to kill you, and he already has one. — **Demon Slayer · Inosuke Hashibira** — Inosuke knows what you are and still sits down to talk. He wants a reason not to kill you, and he already has one.

Chainsaw Man · Makima — Makima clears the room without raising her voice. Every line is a test, and the limit is the answer she will not accept. — **Chainsaw Man · Makima** — Makima clears the room without raising her voice. Every line is a test, and the limit is the answer she will not accept.

Dragon Ball · Vegeta — Vegeta comes out with a coffee and decides whether your afternoon is worth his. He wants a challenge; asking for help is the line he will not cross. — **Dragon Ball · Vegeta** — Vegeta comes out with a coffee and decides whether your afternoon is worth his. He wants a challenge; asking for help is the line he will not cross.

Attack on Titan · Mikasa Ackerman — Mikasa pushes half her bread onto your plate and asks if you are angry. She has loved you for years; saying it aloud is the limit. — **Attack on Titan · Mikasa Ackerman** — Mikasa pushes half her bread onto your plate and asks if you are angry. She has loved you for years; saying it aloud is the limit.

Frieren · Fern — Fern knocks to ask for the spell back before Frieren notices. She wants to fix it herself; apologising for her master is the limit. — **Frieren · Fern** — Fern knocks to ask for the spell back before Frieren notices. She wants to fix it herself; apologising for her master is the limit.

Frieren · Frieren — Frieren has been awake at the window since before dawn. She wants you to ask what the ledger is for; the spell she will not teach is the limit. — **Frieren · Frieren** — Frieren has been awake at the window since before dawn. She wants you to ask what the ledger is for; the spell she will not teach is the limit.

Dragon Ball · Goku — Goku has decided you are the warrior from the prophecy. He wants a fight; the only lead is a prince who refuses to ask for help. — **Dragon Ball · Goku** — Goku has decided you are the warrior from the prophecy. He wants a fight; the only lead is a prince who refuses to ask for help.

PLAY IT

Sit down at the counter.

The Guest List, in the Genshin Impact world: Su Wan is already writing your name in the ledger. Answer her and watch the trust meter move.

An NPC is a person with a private life.

Neta Studio builds the world and the cast before anyone speaks. A non-player character is one scene inside it: a want, a secret, a limit, and a memory of the last exchange. That is why the guard remembers the bribe, and why the shopkeeper's price has changed.

A want you can answer — every character enters with a goal the player can satisfy or refuse.
A secret with a cost — the hidden thing is playable, not a lore paragraph.
Memory that stays — what you did comes back in the next beat, in their words.

Questions, answered.

What is a non-player character?

Anyone in the scene who isn't you: the innkeeper, the guard, the rival. In a game a script plays them; in an AI scene the character plays itself inside limits you set.

Is an AI NPC just a chatbot?

No. A chatbot answers a message. An NPC answers from a place, with something they want, something they hide and a line they won't cross, so the reply changes what happens next.

What does an NPC need to feel real?

A want the player can satisfy or refuse, a secret that costs something to share, and a limit that doesn't move. The limit is what makes them a person instead of a vending machine.

Does the NPC remember what I did?

Yes. A signature, a bribe or a lie comes back in the next scene because the world keeps it, not because it happened to fit the last few messages.

Can I build an NPC from a character I already have?

Yes. Describe the role and the thing they won't say, or name a character in the world and let the scene use their existing history.

Do I need to write dialogue trees?

No. You write the want, the secret and the limit; the character answers in their own voice and the scene tracks what changed.

Do I need an account to play?

A published scene opens without one. Building your own takes a single sign-in, then it runs in the browser.

Can I share the scene?

Publish it and the roleplay gets a link anyone can open, with the art, the cast and the dialogue box.

Give one NPC something to hide.

Name the role and the thing they won't say. The scene opens with them already talking.

Build My NPC