# llms.txt for Mr. Serial Killer
> Mr. Serial Killer is a psychological-horror / dark-esoterica fiction universe — the Follow Your Shadow TV series, the Codex (BMVT), and a companion store of apparel, sigil art, and occult-themed collectibles. It is a horror/streetwear brand, not an adult retailer.

## Site Information
- Brand Name: Mr. Serial Killer
- Website: https://mrserialkiller.com
- Primary Market: United States (ships worldwide)
- Language: English
- Currency: USD
- Contact Email: contact@mrserialkiller.com
- Primary Products: graphic t-shirts, hoodies, crop tops, mugs, phone cases, ritual candles, digital sigil downloads (PDF), books
- Key Product Attributes: original dark-esoteric artwork, print-on-demand apparel, digital and physical formats, horror/occult aesthetic
- Content Universe: Follow Your Shadow (TV series on Tubi and Prime Video), the Codex (BMVT), character dossiers (The Shadows)
- Note: Hexcraft and curse-themed products are fiction merchandise — for entertainment purposes only.

## Key Pages
- [The Shadows](https://mrserialkiller.com/pages/shadows): Dossiers on the entities of the Follow Your Shadow universe — Mr. Serial Killer, Mr. Happy Face, Mr. iLoveYou, Mr. Baby, Miss Baby.
- [Produced Works](https://mrserialkiller.com/pages/produced-works): The released record: the Follow Your Shadow TV series (Tubi, Prime Video) and published books.
- [Enter the Vein](https://mrserialkiller.com/pages/enter-the-vein): The newsletter. Release notice, codex additions, drops.
- [Shipping Information](https://mrserialkiller.com/pages/shipping-info): Free shipping for US, UK, Canada and Australia customers (candles excluded); international rates at checkout. Orders fulfill in 3–7 days.
- [Refund Policy](https://mrserialkiller.com/pages/refund-policy): 30-day return window on unused items in original packaging; buyer pays return shipping. Digital items and sale items are final sale.
- [Contact](https://mrserialkiller.com/pages/contact-us): contact@mrserialkiller.com — Instagram @mrserialkillershop.

## Collections
- [Accessories](https://mrserialkiller.com/collections/accessories): The smaller carriers — face coverings and the other objects a symbol can ride on.
- [Best Sellers](https://mrserialkiller.com/collections/best-sellers): What keeps leaving — the pieces the archive parts with most often.
- [Cramer's Original Emblemata](https://mrserialkiller.com/collections/cramers-original-emblemata): Three plates from Daniel Cramer's Emblemata Sacra , printed in 1624 — reproduced here as they were engraved, nearly four hundred years ago. No reinterpretation. No new…
- [Crop Hoodies](https://mrserialkiller.com/collections/crop-hoodies): The crop-hoodie cuts of the archive — emblem work and sigil designs, printed for wear.
- [Crop Tops](https://mrserialkiller.com/collections/crop-tops): The crop-top cuts of the archive — Rosicrucian emblems and archetype marks, printed for wear.
- [Eclipsed Seraphim](https://mrserialkiller.com/collections/eclipsed-seraphim-fallen-angel-collection): The Great Fall, read as a wardrobe. Eclipsed Seraphim holds the fallen — Gadreel first — and measures grace by what it costs to lose it.
- [Esoteric Gifts](https://mrserialkiller.com/collections/esoteric-gifts): Objects that carry a symbol into someone else's house — Hermetic, alchemical, and Rosicrucian marks on things meant to be handed over.
- [Fight Entropy](https://mrserialkiller.com/collections/fight-entropy): RISK = −ΔS. "Your comfort zone is a thermal equilibrium state." — BMVT II.9
- [Full Collection](https://mrserialkiller.com/collections/full-collection): The whole archive in one place — apparel, objects, publishing, and workings.
- [Graphic Tees](https://mrserialkiller.com/collections/graphic-tees): The tee is the plainest surface a symbol can travel on. These carry the archive's emblems, archetypes, and sigil work.
- [Hexcraft](https://mrserialkiller.com/collections/hexcraft-by-mr-serial-killer-dark-sorcery-collection): Curses run in two directions — the working and its reversal, both cast by the same hand. Every listing here is for entertainment purposes only.
- [Hoodies](https://mrserialkiller.com/collections/hoodies): The full-cut hoodies of the archive — emblem and shadow work, printed heavy.
- [Legacy Collection](https://mrserialkiller.com/collections/legacy-collection): Six designs from 2023–24: Head of Janus , Penumbra , Shadow of the Dark Mage , Gadreel , Transmutatio Obscura , and Eternal Echoes . Original work in the era’s…
- [MSK Emblemata Collection](https://mrserialkiller.com/collections/msk-emblemata-collection): EX VMBRA COLLECTA — "Gathered from the Shadow." What follows is presented as a census, not a scripture. One hundred and fifty entries, each built to the same six-part…
- [New Arrivals](https://mrserialkiller.com/collections/new-arrivals): The newest entries in the archive, in order of appearance.
- [Phone Cases](https://mrserialkiller.com/collections/esoteric-cell-phone-cases): Shadow cases — the esoteric marks of the archive, sized to the object you look at most.
- [Publishing](https://mrserialkiller.com/collections/publishing): The printed record — photo books from the archive's shoots and e-books from the canon around Follow Your Shadow .
- [Sigil Collection](https://mrserialkiller.com/collections/sigil-collection): Downloadable sigil plates — each file a printable mark with its translated manual and invocations. The paper does the carrying; the intent does the rest.
- [The Dark Archetypes](https://mrserialkiller.com/collections/the-dark-archetypes-by-mr-serial-killer): Every entity in Follow Your Shadow is a smiley in a different color — one wound, refracted. The Dark Archetypes line puts each mask where it belongs: in daylight, worn…
- [The Macabre Aesthetic](https://mrserialkiller.com/collections/the-macabre-aesthetic-collection-by-mr-serial-killer): Ancient symbolic images, Follow Your Shadow characters, and old esoteric plates, redrawn for modern wear. The macabre isn't decoration here — it's the source material.

## Featured Products
- [Cursed Doll of Great Suffering — Spell](https://mrserialkiller.com/products/cursed-doll-of-great-suffering-spell-inflict-torment-upon-the-soul): The Cursed Doll of Great Suffering is a five-step working, cast by Mr. Serial Killer as an unlicensed shadow of the mage — the ritual targets a named person's…
  Price: from $ 299.99 USD
- [Follow Your Shadow — Hoodie](https://mrserialkiller.com/products/follow-your-shadow-black-hoodie): Following a shadow isn't pursuit. A shadow only ever moves because you did first — the direction was always yours. "You don't see me. You see what curves away…
  Price: from $ 119.99 USD
- [Penumbra — Hoodie](https://mrserialkiller.com/products/penumbra-black-hoodie): Penumbra is the region between full light and full shadow — not a threshold you cross once, but the actual place most of a life gets lived. Details Design…
  Price: from $ 119.99 USD
- [Crucifigor — Crop Hoodie](https://mrserialkiller.com/products/crucifigor-crop-hoodie): Crucifigor doesn't reveal a hidden self so much as insist one exists — a sigil is not proof, only an invitation to keep looking. Details Plate: Emblema XIV,…
  Price: from $ 99.99 USD
- [Eternal Echoes — Crop Hoodie](https://mrserialkiller.com/products/eternal-echoes-graphic-crop-hoodie): A circle has no first point. Eternal Echoes borrows that shape from the old alchemical register — the loop of the Ouroboros, closing around a child who is…
  Price: from $ 99.99 USD
- [Illuminor — Crop Hoodie](https://mrserialkiller.com/products/illuminor-crop-hoodie): Illuminor asks a narrow question: what would you have to stop avoiding, to actually see it? The hoodie doesn't answer. It just keeps asking. Details Plate:…
  Price: from $ 99.99 USD
- [Revivisco — Crop Hoodie](https://mrserialkiller.com/products/revivisco-crop-hoodie): Cramer's engravers drew revival as a plain fact, not a miracle. Revivisco keeps that plainness — the return that doesn't need to explain itself. Details Plate:…
  Price: from $ 99.99 USD
- [Crucifigor — Crop Top](https://mrserialkiller.com/products/crucifigor-crop-top): The self Crucifigor points to isn't concealed on purpose. It's just underneath, the way most true things are. Details Plate: Emblema XIV, Daniel Cramer's…
  Price: from $ 59.99 USD
- [Crucifigor — Graphic Tee](https://mrserialkiller.com/products/crucifigor-t-shirt): A sigil earns nothing by being loud. Crucifigor works the way most Rosicrucian marks do — quietly, and only for the ones already looking for it. Details Plate:…
  Price: from $ 59.99 USD
- [Eternal Echoes — Graphic Tee](https://mrserialkiller.com/products/eternal-echoes-graphic-t-shirt): The Divine Child inside the Ouroboros isn't born once. The loop is drawn because the birth was never a single event to begin with. Details Design origin:…
  Price: from $ 59.99 USD
- [Gadreel — Graphic Tee](https://mrserialkiller.com/products/gadreel-the-fallen-grace-angelus-lapsus-graphic-t-shirt): Gadreel doesn't fall for wanting power. He falls for telling the truth too early — the secrets of death, handed over before anyone asked to carry them. Details…
  Price: from $ 59.99 USD
- [Head of Janus — Graphic Tee](https://mrserialkiller.com/products/head-of-janus-graphic-t-shirt): Janus is the Magician read a different way — not power over one world, but a face that already belongs to two. Details Design origin: Janus, the Roman god of…
  Price: from $ 59.99 USD

## Blog
- [The Rise of Mr. Serial Killer and the Dawn of Hexcraft](https://mrserialkiller.com/blogs/the-abyss-gazette/two-decades-of-darkness-the-rise-of-mr-serial-killer-and-the-dawn-of-hexcraft): The Birth of Mr. Serial Killer: 20 Years of Shadows, Blood, and Curses

## Navigation
Standard paths: `/collections/`, `/products/`, `/blogs/`, `/pages/`.

- All products: https://mrserialkiller.com/collections/full-collection
- Search: https://mrserialkiller.com/search?q={query}

## AI & Agent Access
This website supports AI-assisted product discovery and commerce workflows.

- Agent instructions: https://mrserialkiller.com/agents.md
- Sitemap: https://mrserialkiller.com/sitemap.xml
- Product details (JSON): https://mrserialkiller.com/products/{handle}.json
- Collection products (JSON): https://mrserialkiller.com/collections/{handle}/products.json
- All products feed: https://mrserialkiller.com/products.json