Frost Shadow – Hand Forged 1065 Carbon Steel Katana Sword

Frost Shadow – Hand Forged 1065 Carbon Steel Katana Sword

The Frost Shadow katana (玄霜断影) is a hand-forged shinogi-zukuri blade distinguished by its rare 烤紫 — a deep, smoky violet heat-oxidized finish that gives the steel an almost supernatural, shadow-drenched appearance. Built on a foundation of oil-quenched 1065 high carbon steel, this 72 cm blade delivers the reliable toughness and edge retention that functional cutting practitioners demand, all at a mid-range price that makes serious swordsmanship accessible. Paired with a striking Green Bark Wood (Aohada) sheath, the Frost Shadow is a sword that looks as lethal as it performs.

Specifications

Craftsmanship & Materials

The Frost Shadow’s blade begins as 1065 high carbon steel — a time-tested alloy beloved by Longquan swordsmiths for its exceptional balance between hardness and shock resistance. Forged into the classic shinogi-zukuri profile, the blade’s pronounced central ridge (shinogi) reduces weight while concentrating mass along the cutting edge, producing a geometry that slices cleanly through tatami mats and practice targets alike. The oil quench and temper heat treatment locks in a Rockwell hardness ideal for functional cutting: hard enough to hold a razor edge, yet flexible enough to survive the demands of regular iaido or tameshigiri practice.

What truly sets this sword apart is the 烤紫 finish — a controlled heat-oxidation process applied to the blade surface after forging, producing a deep violet-to-charcoal hue that evokes frost forming in the shadows of a winter forest. This finish is not paint or coating; it is born from heat itself, bonded into the steel’s surface layer and lending a subtle corrosion resistance alongside its dramatic visual character. The Aohada (Green Bark Wood) saya provides a natural, organic contrast to the dark blade, its pale sage-green grain whispering of ancient Japanese forest traditions. Cotton ito wrap on the tsuka offers a firm, comfortable grip that tightens naturally with use.

At 950 g net weight and 103 cm overall, the Frost Shadow strikes a well-balanced proportion between draw speed and cutting authority — precisely what practitioners of the flowing, shadow-like movements of traditional iaijutsu require. This is a sword whose aesthetic and function are inseparable.

Perfect For

• Beginner to intermediate practitioners seeking a visually dramatic functional katana for tameshigiri cutting practice
• Collectors drawn to unique blade finishes who also want a sword capable of real-world use
• Iaido and iaijutsu students looking for a reliable, balanced shinogi-zukuri blade at an accessible price point

Care & Maintenance

1065 high carbon steel requires regular maintenance to prevent oxidation — after each handling or use, wipe the blade clean with a soft cloth and apply a thin coat of choji oil or food-grade mineral oil to protect the surface. The 烤紫 oxidized finish adds a modest layer of natural surface protection, but it is not a substitute for proper oiling, particularly in humid climates. Store the sword horizontally in its Aohada saya with the edge facing upward to maintain the blade’s geometry and prevent moisture accumulation.