Not Even Masamune

Japan's five rival sword schools, and the one that still forges today

Top 4 National Treasure Katanas

Four National Treasure katana, and the owners who gave them their names

The Sword That Cut Through Armour

Five katana that earned their names the hard way — Part Two is live

Four Swords Older Than the Katana🗡️

All of them dug out of the ground, and every one names its own age

Is a katana a craft, a weapon, or art?

A 15th-generation swordsmith works through the question — and ends up somewhere I didn't expect.

100 kg of Charcoal — for a Single Sword

The Fake Katana That Fooled the Experts 🗡️

A master swordsmith reveals how forgeries flooded Japan — and the one rule that exposes almost every fake.

A 15th Generation Japanese Swordsmith Warns: "As Tools Advance, Skills Decline"

What a 15th-Generation Swordsmith Teaches Us About Skill, Beauty, and Tradition

Season 1 of History’s Most Dangerous Katana Is Now Live

Monster. Murder. Masterpiece. — Yamanbagiri Kunihiro

New Video: Yamanbagiri Kunihiro — the “copy” that became a legend

Monster. Murder. Masterpiece. — Yamanbagiri Kunihiro

Seven Bodies. One Blade. Episode 7 is Here.

Inside Edo’s Deadliest Certification System

The Most Dangerous Katana Part 6

Kasen Kanesada — “Immortal Poet” —

The Most Dangerous Katana Part 5

Raikiri — The Katana That Challenged the Thunder God

The Most Dangerous Katana Part 4

A katana thrown into Osaka Castle’s moat, warped in the Great Fire of Meireki... and still it refused to die.