Niten Ichi-ryu

Lore & Background

In the novel The Blade of the Courtesans by Keiichiro Ryu, Musashi saves a baby named Matsunaga Seiichiro, the imperial prince of Japan, and mentors him and teaches him in the art of Niten Ichi-ryu in the mountains of Higo. When Seiichiro turns 26 years old, he is sent to Edo to find Shoji Jin'emon in Yoshiwara.

Reader's Guide

Mechanically, Niten Ichi-ryu relies on the simultaneous use of a long sword (katana) and a short sword (wakizashi), or occasionally two katanas. The practitioner uses the primary blade for heavy cuts and defense while the secondary weapon handles parries, quick thrusts, and controlling distance.

The cultural significance lies in its rejection of the 'one sword' dogma that dominated many clans. By wielding two blades, the fighter symbolizes a break from tradition, often associated with ronin or those fighting for survival rather than duty. This duality forces opponents to split their focus, creating openings where none should exist.

In battle outcomes, this style excels in one-on-one duels and chaotic skirmishes. The ability to attack from multiple vectors simultaneously overwhelms standard defensive stances. However, it requires immense stamina and coordination; a lapse in mental focus can lead to the swords clashing against each other or leaving the user exposed to a single, well-timed counterattack.