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Demon Fang Vault

A fan-art tribute to the blades of Inuyasha: the Demon Fang Vault holds 2+ die-cast zinc alloy sword replicas, 22–26 cm (8.7–10.2 in), from $19.99, shipped free worldwide by BlacksmithSONG. Both were cut from one demon's fang, then deliberately kept apart.

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  • 1:6 scale anime-style zinc alloy sword keychain with fluffy pompom, displayed on booksAnime-style zinc alloy sword replica with fur pom pom on display stand, collectible decor.
    Tessaiga Replica – 22cm Die-Cast Metal Broadsword | Fangs, Not Fluff
    The Tessaiga replica measures 22cm (8.7"), weighs 71g (2.5 oz) with a die-cast zinc alloy blade, and ships worldwide free from BlacksmithSONG. It's built as a wearable piece — a fang-shaped blade, a woven cord grip, and a gold keyring clasp finished off with...
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  • Anime-style zinc alloy katana replica with detailed handle and black scabbard for display.1:6 anime-style zinc alloy katana replica with blue handle on display stand, BlacksmithSONG collectible
    Tenseiga Replica – 26cm Die-Cast Metal Katana | The Blade That Spares
    From BlacksmithSONG: the Tenseiga replica pairs a die-cast zinc alloy blade — 26cm (10.2"), 52g (1.8 oz) — with a lacquer-look scabbard, shipped free worldwide with tracking. The scabbard's satin-black finish is the first thing people notice — the blade underneath is the part...
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One Fang, Two Very Different Swords

Toga left three swords behind, and two of them came out of his own fang. Totosai forged Tessaiga — spelled Tetsusaiga in the older dub — to destroy, and Tenseiga to restore, and Tenseiga was carved out of Tessaiga: a father deliberately keeping the power to revive away from the son he was handing the power to kill. Which is how the elder brother ended up with a blade that cannot cut a living thing, and spent years trying to take the one that can. Tessaiga only shows its true form in the hands of someone protecting a human. Both fangs are laid out side by side in our write-up on the two swords.

Where to Start

Two pieces, and they split the way the brothers do. Tessaiga is the one people picture first: a thick single-edged blade curved like the fang it was made from, a tuft of white fur at the guard, and no scabbard at all. Tenseiga is the quiet one — slim, orthodox, longer than its brother and noticeably lighter in the hand, which is the wrong way round if you go by reputation.

The Forge Standard

Both blades are die-cast zinc alloy, poured solid and hand-finished, with every edge cast blunt — display collectibles, recommended for ages 14+. One is broad and top-heavy with fur at the guard; the other is thin, plain and lighter than its length suggests. Every photo on this page is ours, shot in our own studio, of the exact piece we ship. No CGI, no renders, no supplier images.

Keep Exploring

The broad one belongs with the single-edged rack and the slim one with the katana wall — which is where they'd end up anyway, apart. For more steel out of the same century, the Ashina Armory is the next door along.

Size & Weight Chart

Length is the longest dimension of each piece. Weight covers the piece itself (both pieces for pairs), without the display stand or packaging.

PieceLengthWeight
Tessaiga 22 cm (8.7 in) 71 g (2.5 oz)
Tenseiga 26 cm (10.2 in) 52 g (1.8 oz)

Compare every piece in the store on our Size & Weight Chart

FAQ: Demon Fang Vault Replicas

Asked by collectors, answered by the makers.

What are these replicas made of?

Solid die-cast zinc alloy blades, one pour each, hand-finished, with every edge cast blunt. Real metal weight — roughly 52–71 g (1.8–2.5 oz) — and the heavier of the two is also the shorter one. Tessaiga carries a white fur guard at the hilt; the blade it sits on is the same cast metal as everything else here. The exact grams for each piece live on its product page.

Are the blades sharp?

No — every edge and point is cast blunt straight from the mold. These are solid die-cast display collectibles, not functional weapons, recommended for ages 14+.

What sizes and prices are in this collection?

The pair runs 22–26 cm (8.7–10.2 in) — close enough that they read as a matched set on the same shelf, different enough that neither disappears next to the other. Prices are $19.99, with display stands adding $2 to $4 depending on style.

Which one should I start with?

Tessaiga, if you want the shape people recognize across a room — the broad fang curve and the fur at the guard make it the more photographed of the two, and it is the heavier piece despite being the shorter one. Tenseiga is the pick if you'd rather have the sword with the better story: a blade forged to bring things back, given to the brother who wanted the other one.

Are these officially licensed products?

No — and we say so on our own page. These are unofficial fan-art collectibles from a two-person studio, not affiliated with, endorsed by, or licensed by any game, anime, or film company. There's no official packaging or certificate, because there isn't one to give you.

Read the full fan art policy

How long is shipping, and how can I pay?

Free worldwide tracked shipping. Typical delivery is about 10 days — the median across 150+ tracked deliveries, US and international alike — though customs can stretch a small share to three or four weeks. Payment options are shown at checkout. Every order carries a 30-day money-back guarantee.

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