Last updated: May 23, 2026·🔄 Guide reviewed and refreshed ahead of Halloween 2026.· By Seckin Peker

Halloween Costume Guide

Lyra Belacqua Halloween Costume Guide

His Dark Materials  ·  Dafne Keen  ·  Lyra Silvertongue

She outwitted an armoured bear king, escaped a child experimentation facility, and navigated the land of the dead. The brass compass helped, but mostly it was her.

Dafne Keen His Dark Materials TV Series Casual Fantasy HBO Vintage
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Quick Answer: The Lyra Belacqua Halloween costume is a burgundy overall dress layered over a floral shirt, with brown ankle boots, knit socks, a brass compass, and a white ferret plush for Pantalaimon.
  • Burgundy overall dress (essential)
  • Brass compass alethiometer prop (essential)
  • Floral button-up shirt underneath
  • Brown ankle boots and knit socks
  • White ferret plush (Pan, her dæmon)

Lyra Belacqua is a girl from Jordan College, Oxford, who can read a truth-telling compass without formal training and uses that gift to navigate parallel worlds, armoured bears, and her own complicated parents, as chronicled in Philip Pullman’s His Dark Materials trilogy and the BBC/HBO adaptation. The brass compass prop is the fastest recognition cue for anyone who knows the series. Without it, the overall dress and floral shirt reads as a general vintage look — perfectly nice, but not specifically Lyra.

Items Total6 Items
DifficultyEasy
VibeOxford Adventure
Cost$50–$100

Lyra Belacqua Halloween Costume Items

Lyra Belacqua Halloween costume guide infographic showing all 6 items including burgundy overall dress, floral shirt, brass compass, white ferret plush Pan, knit socks, and brown ankle boots from His Dark Materials

Lyra Belacqua Costume Items

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Lyra Belacqua His Dark Materials Dafne Keen Alethiometer
  • 1 Floral Button Up ShirtSUPPORTING. Worn under the overall dress with the collar and sleeves visible at the neckline and wrists. Lyra’s layered look reflects the practical, slightly mismatched wardrobe of a child who grew up in an Oxford college surrounded by scholars rather than fashion. Any floral button-up in warm tones works — the pattern adds visual interest under the burgundy dress without competing with it.
    See on Amazon
  • 2 Burgundy Overall DressCRITICAL. The overall dress is the foundation of Lyra’s look — the burgundy color and overall silhouette are specific to the character’s wardrobe in the series. It needs to be above the knee and structured enough to hold its shape over the floral shirt. A loose or overly casual overall reads wrong; Lyra’s clothes are practical and worn, not relaxed.
    See on Amazon
  • 3 Brass CompassCRITICAL. This prop represents the alethiometer — the truth-reading compass that is central to Lyra’s story and the most recognizable object associated with the character. Anyone who has read the books or watched the series will identify it immediately. Without this prop, the costume loses its most specific character reference. Carry it openly rather than tucking it away.
    See on Amazon
  • 4 White Ferret PlushSUPPORTING. This represents Pantalaimon, Lyra’s dæmon, in one of his many forms before he settles permanently as a pine marten. In the world of His Dark Materials, every human has a dæmon — a physical manifestation of their soul in animal form. Carrying Pan is accurate to the source material and immediately signals to fans of the series that this is a character from that world, not just an Oxford girl in a nice dress.
    See on Amazon
  • 5 Knit SocksOBVIOUS. Pulled up to the knee or mid-calf and visible above the ankle boots. The knit socks are a practical, period-accurate detail that contributes to the adventurous-kid read of the costume. Any knit sock in a warm neutral works — check your drawer.
    See on Amazon
  • 6 Brown Ankle BootsSUPPORTING. Flat or low-heeled brown ankle boots ground the earthy palette of the overall look. Lyra travels extensively throughout the series on foot, through snow, mud, and multiple worlds — the footwear needs to look like it could handle that. Check your closet first; any flat brown ankle boot works.
    See on Amazon
Lyra Belacqua costume styling reference showing the burgundy overall dress, floral shirt underneath, brown ankle boots, knit socks, brass compass, and white ferret plush Pan from His Dark Materials

How to Style the Lyra Belacqua Halloween Costume

The shirt collar and sleeves need to be visible above and below the overall dress — if the shirt gets pushed down inside the overalls, the layered look collapses into a plain burgundy dress and the costume loses its character. The knit socks should be pulled up before the boots go on so the visible sock-above-boot detail is intentional rather than accidental. The brass compass is most effective carried in hand or in a visible pocket rather than tucked away — it needs to be seen to do the recognition work it is there to do. Same with Pan: a plush ferret tucked into a bag is just a bag. Perched on a shoulder or held in the crook of an arm is a dæmon.

In the show, Lyra walks into situations that should terrify her and adapts on the spot. There is a scene where she is alone with the bear king Iofur Raknison — a creature large enough to kill her in one movement — and she talks him into agreeing to terms that give Iorek a fighting chance, using only her ability to read the alethiometer quickly and her willingness to lie convincingly. She is twelve years old and she negotiates with a bear king. That combination of audacity and resourcefulness is the whole character.

The Pan Plush as a Social Prop

The white ferret plush does double duty — it identifies the costume to His Dark Materials fans and gives you something to hold at a party. Introduce Pan to people who ask about the costume by name. Anyone who knows the books will understand immediately and will probably want to talk about their own dæmon for the next ten minutes, which is either a feature or a warning depending on your preferences.

Playing Lyra at a Party

Lyra’s defining quality is that she lies constantly and convincingly and uses that skill for genuinely good purposes. She also tells the truth when it matters, which is harder for her. At a party, the most Lyra thing you can do is introduce yourself under a different name for the first hour, then explain who you actually are when someone earns the real answer.

Lyra Belacqua Group Halloween Costume Ideas

Couples Costume

Lyra Belacqua & Will Parry

Strong pairing for His Dark Materials fans — Lyra and Will are the emotional core of the trilogy and their relationship is central to everything that happens in books two and three. Will’s look is relatively straightforward: a casual early-2000s boy from a different version of Oxford, practical and slightly worn. The visual pairing of two kids from different worlds who ended up finding each other is the whole story, and the contrast in their backgrounds shows in the costumes.

Lyra Belacqua Will Parry

Duo Costume

Lyra Belacqua & Iorek Byrnison

Strong duo concept with the best visual contrast available in the source material — Lyra is a small girl in a burgundy dress and Iorek is an armoured polar bear. The costume for Iorek requires commitment (a full bear or armoured bear costume), but the payoff is that the pairing is immediately recognizable to anyone who has read the books or watched the series. Their relationship is one of the most genuine friendships in the whole story.

Lyra Belacqua Iorek Byrnison

His Dark Materials Cast

Lyra, Will Parry, Lord Asriel, Mrs. Coulter, Pan

Might work, but recognition outside the His Dark Materials fanbase is limited. Lord Asriel’s explorer aesthetic and Mrs. Coulter’s polished 1950s glamour are both visually distinct and make the group look deliberate, but the source material is niche enough that most people outside the fandom will not place the characters. This group works well at a fantasy or book-fan event and requires patience anywhere else.

Lyra Belacqua Will Parry Lord Asriel Mrs. Coulter Pan

Iconic Brave Young Female Adventurers

Lyra, Katniss Everdeen, Enola Holmes, Merida, Coraline Jones

Strong group with broad recognition across the lineup. Katniss’s braid and mockingjay pin, Merida’s curly red hair and bow, and Coraline’s blue hair and yellow raincoat are each immediately distinct from each other and from Lyra’s burgundy overall look. The group concept — young women who face extraordinary situations without waiting for adults to handle it — communicates without explanation, and most people at any event will recognize at least three of the five.

Lyra Belacqua Katniss Everdeen Enola Holmes Merida Coraline Jones
Lyra Belacqua group Halloween costume ideas from His Dark Materials including the full cast group and iconic brave young female adventurers lineup

Lyra Belacqua Halloween Costume DIY Tips

What to Buy vs. What You Might Already Own

Six items, most of which are practical and wearable beyond Halloween. The overall dress and boots are the two purchases worth prioritizing.

  • Floral button-up shirt: thrift stores are reliable — look for warm tones that work under burgundy
  • Burgundy overall dress: buy it — the color and silhouette are specific enough that substituting reads differently
  • Brass compass: buy it, it is the alethiometer and the costume’s most important prop
  • White ferret plush: buy it for the Pan effect — a generic stuffed animal in a different animal or color loses the specificity
  • Knit socks: check your drawer
  • Brown ankle boots: check your closet first

The Dæmon Concept at a Party

In Lyra’s world, every person has a dæmon — an external soul in animal form that they are never separated from. Explaining this at a party is genuinely interesting for anyone unfamiliar with the books, and it opens a conversation rather than closing one.

  • When someone asks about the ferret: “This is Pan. He is my soul, in ferret form.” — say it plainly, see what happens
  • The natural follow-up question — “What would your dæmon be?” — is a better icebreaker than almost anything else at a Halloween party
  • Carry the compass openly and consult it visibly when someone asks what you are doing — “just checking if I can trust you” is very Lyra
  • Lyra is an excellent liar who only tells the truth when it genuinely matters: act accordingly

Lyra Belacqua Halloween Costume: FAQ

You need a floral button-up shirt, burgundy overall dress layered over it, brass compass, white ferret plush for Pan, knit socks, and brown ankle boots. The overall dress and brass compass are the two essential pieces — without both, the costume reads as a general vintage outfit rather than Lyra. Make sure the shirt collar and sleeves are visible above and below the overall dress.

“I think about him every day. Probably every hour. He’s still the centre of my life.” — Lyra, about Will Parry, said to Farder Coram.

And the moment that names her: “Belacqua? No. You are Lyra Silvertongue.” — Iorek Byrnison, after she tricks a bear king into granting Iorek a fair fight rather than immediate death. That second one is Iorek speaking, not Lyra, but it is the sentence that defines her.

It is a niche pick by recognition — the HBO series ended in 2022 and the costume requires context to read as Lyra rather than a general vintage look. The books remain widely read though, and the brass compass prop is the fastest recognition cue for anyone who knows His Dark Materials. Pairing with Will Parry or Iorek strengthens the group read considerably.

Dafne Keen plays Lyra Belacqua in the BBC and HBO co-produced His Dark Materials series, which ran from 2019 to 2022. Kit Connor voices her dæmon Pantalaimon in the series. In the 2007 film The Golden Compass, Lyra was played by Dakota Blue Richards, according to the series’ Wikipedia overview.

Pantalaimon is Lyra’s dæmon — a physical manifestation of her soul in animal form. In the world of His Dark Materials, every human has a dæmon that stays with them at all times. Pan settles permanently as a pine marten when Lyra is twelve. The white ferret plush represents Pan in one of his earlier forms, before he settles. Carrying it is the fastest way to identify this costume to anyone who knows the books or series.

The alethiometer is a compass-like device that can answer any question truthfully when read correctly — a skill that requires years of formal training, which Lyra can do naturally without any instruction. It is the most important object in her story and the brass compass prop in this costume is a direct reference to it. She eventually loses her innate ability to read it when she reaches puberty and must relearn through formal study.

Lyra’s legal name is Lyra Belacqua, but she earns the surname Silvertongue from the armoured bear Iorek Byrnison after she tricks the rival bear king Iofur Raknison into agreeing to single combat rather than having Iorek killed outright. Silvertongue means someone with a persuasive, deceptive way with words — a reference to Lyra’s skill at lying, which she uses throughout the series to save lives, as detailed in the His Dark Materials Fandom wiki.