Ryūjin is the dragon god of the sea in Japanese myth — keeper of the tides, coiled in deep water, summoned in storms. We let that legend lead the design: this tanto wears a deep blue manganese steel blade traced with a dragon motif, the coil of the creature reading along the steel like a current caught mid-turn. It is the small blade with the biggest story in our entry collection.
Specifications
| Blade steel | Blue manganese steel with dragon motif |
|---|---|
| Tsuba | Copper and brass bindings |
| Saya | Lacquered ebony wood with bull-horn kurigata |
| Tsuka | Genuine shagreen leather |
| Menuki | Copper and brass alloy menuki set |
| Mekugi | Bamboo |
Dimensions
| Total length | 55 cm |
|---|---|
| Blade length | 33 cm |
| Handle length | 17 cm |
| Blade width | 3.2 cm |
| Blade thickness | 0.7 cm |
| Weight | 0.8 kg |
The 33 cm blade is forged from blue manganese steel, a tough high-carbon alloy that holds an edge and resists the chip. The blue tone is not paint but a finish worked into the steel, set off by the engraved dragon that gives the piece its name. As the traditional companion to the katana, the tanto was carried close — and this one keeps that intimacy, short enough to handle indoors yet serious enough to display alongside a full-length sword.
Forging & Steel
Blue manganese steel sits in the high-carbon family: hard, springy, forgiving of the abuse a working tanto sees. The dragon engraving runs the length of the blade, framed by a copper-and-brass habaki and matching bindings. Where many tanto fittings are an afterthought, here the brass-and-copper tsuba and the copper-brass alloy menuki set are chosen to echo the dragon-and-water theme across the whole mounting.
Fittings & Mounting
The saya is lacquered ebony wood with a bull-horn kurigata — the cord knob — a detail you rarely find at this price. The tsuka is wrapped in genuine shagreen leather for grip and texture, and the blade is pinned to the handle with a traditional bamboo mekugi, exactly as a tanto should be.
Usage
The Ryūjin is best understood as a collector’s and display tanto — a decorative companion piece with full traditional fittings rather than a hard tameshigiri cutter. Pair it with an entry katana such as the Katana Fuyu or the Katana Murasaki to build a matched manganese-steel display set. If you prefer a tanto with a clay-tempered hamon, see the Tanto Yoake.
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