Night Edge – Hand Forged Damascus Steel Katana Sword
Most pattern-welded blades announce themselves immediately – bright contrast, aggressive etch, a pattern designed to catch the eye from across the room. The Night Edge (夜刃) is the opposite of that. Its Damascus grain is dark, close, and complex, the kind that reveals itself slowly as you rotate the blade in changing light rather than shouting from a static position.
Specifications
| Blade Steel | Damascus / Pattern-Welded Steel |
| Total Length | 103.0 cm / 40.6 in |
| Blade Length | 72.0 cm / 28.3 in |
| Blade Width | 3.2 cm |
| Blade Thickness | 0.7 cm |
| Weight | 950 g / 33.5 oz |
| Heat Treatment | Oil Quench & Temper |
| Fittings | Copper (装) |
| Handle | Cotton Ito Wrap |
| Sheath | Green Bark Wood (Aohada) |
What the Steel Does
Pattern-welded Damascus is built from multiple alloys forge-welded and folded together, then drawn and shaped until the differing carbon contents produce a visible surface grain when etched. The folded construction of the Night Edge produces a layered grain that runs the full length of the blade – a continuous record of the smith’s manipulation of the billet from raw stack to finished geometry. The oil quench and temper heat treatment brings the steel to a working hardness appropriate for a functional katana while preserving the toughness that multi-layer construction inherently provides.
The copper fittings – tsuba (hand guard) and furniture – are the one warm note against the blade’s dark surface. Copper patinates naturally over time, shifting from bright orange-red toward a deeper reddish-brown, and that shift will only improve the visual coherence of the finished sword. Against the green aohada (bark wood) saya, the copper reads as deliberate and specific.
The Feel of It
The 72 cm blade and 27 cm cotton ito-wrapped handle give you a full katana’s geometry in hand. The cotton ito wrap – wound in the traditional diamond pattern over the same-style grip core – provides a textured, secure surface that stays consistent under sustained use. Drawing from the aohada saya, the blade comes free smoothly and without drag; bark wood requires no secondary fitting to release cleanly. The pattern-welded surface, seen in the moment of the draw, catches whatever light is present and shows you a different arrangement of the grain than it did a moment before – that is the particular quality of Damascus, and the Night Edge has it in full.
Maintenance Notes
Apply a thin coat of choji oil (clove-scented mineral oil) to both blade faces after each handling session – skin oils and moisture accelerate the oxidation of the etched surface and will reduce pattern contrast over time. The copper fittings require no treatment; their natural patination is part of the blade’s long-term character. Store horizontally in the saya in a low-humidity environment.























