Katana Abyssal Butterfly Hitatsura Hamon Kairyū Kagechō Koshirae 淵蝶 FS finished with a refined blackened

finished with a refined blackened patina (煮黒仕上げ)

preserving the natural character of the material and highlighting the timeless beauty of traditional metalwork

Saya Lacquer (鞘塗): Black lacquer saya (黒漆鞘) decorated with silver flecks

named Tidebreaker

with a hardened steel core between softer outer layers

Katana Abyssal Butterfly Hitatsura Hamon Kairyū Kagechō Koshirae 淵蝶 FS finished with a refined blackenedHitatsura Hamon Full Tang Shinken () Abyssal Butterfly Katana: TangGu () Maru Blade () + TangGu () Kairy Kagech Koshirae () This katana is hand forged (Tezukuri ) from high carbon modern steel () in the Maru zukuri () style. The blade is clay tempered (yaki ire ) to produce a Hitatsura hamon (full temper pattern ) that spreads dynamically across the surface, symbolizing untamed elemental energy. The koshirae features a maru gata tsuba () forged from