Matahachi Honiden vs Amaimon: Rivals in the Shadow of Miyamoto Musashi

I’ve always been fascinated by the lesser-known figures in the world of samurai history — not just the legends, but the ones who lived in their shadows, shaped by them, and sometimes even rebelled against them. Two such figures are Matahachi Honiden and Amaimon — both students of the legendary swordsman Miyamoto Musashi, yet each taking a radically different path. I recently found myself walking through the quiet shrines and overgrown training grounds of Kyushu, tracing the footsteps of these two men, and trying to understand what made them who they were.

Matahachi Honiden is often described as the “forgotten student” of Musashi — overshadowed by more famous disciples like Iori, yet still a key figure in preserving Musashi’s teachings. Amaimon, on the other hand, is remembered as a wild spirit — a warrior-monk with a taste for chaos and a talent for the unpredictable.

So what made them different? And what did they leave behind?

##What were their core philosophies?

Matahachi Honiden embraced the disciplined, almost Zen-like approach of Musashi. He believed in mastery through repetition and patience. His writings reflect a deep reverence for Musashi’s Niten Ichi-ryu — the two-sword style — and he focused on refining its techniques into a formal system.

Amaimon, however, was drawn to the chaotic edge of combat. He saw Musashi’s methods not as a rigid code, but as a foundation for improvisation. He incorporated elements of Shugendō, the mountain ascetic tradition, into his martial practice, emphasizing spiritual awakening through battle.

Their philosophies were two sides of the same coin — one seeking order in the sword, the other freedom.

##How did their methods differ?

Honiden was methodical in his instruction. He established a dojo in Kumamoto and passed down a structured curriculum that emphasized posture, timing, and precision. His approach was suited for warriors who wanted to refine their skills within a framework.

Amaimon’s methods were unorthodox. He trained in remote mountain temples, often alone, and his techniques were unpredictable. He favored sudden, explosive movements and taught his students to read the opponent’s spirit rather than their blade. His style was more intuitive — and far less documented — making him more myth than master in historical records.

If Honiden was a teacher, Amaimon was a prophet of the sword.

##What kind of students did they attract?

Honiden’s dojo attracted serious martial artists — samurai looking to perfect their craft, and later, civilians seeking discipline and self-improvement. His school survived him, passed down through generations, and his influence is still felt in modern kendo and iai schools.

Amaimon drew a different kind of follower — often younger, more restless souls who were drawn to his charisma and mysticism. Many of his students were outcasts or rebels, seeking not just skill but a kind of spiritual rebellion through the sword. His legacy is harder to trace, but it lingers in oral traditions and secret lineages.

##What happened to their schools?

The Honiden school of Niten Ichi-ryu remained relatively intact after his death. It was adopted by the Hosokawa clan and became part of their official martial curriculum. Today, it is one of the few surviving branches of Musashi’s original teachings.

Amaimon’s lineage is more elusive. His branch of Niten Ichi-ryu evolved into something more esoteric, blending martial arts with spiritual practice. Some say his teachings influenced later secret schools, but much of it was lost or absorbed into other traditions.

##How are they remembered today?

Honiden is remembered as a loyal disciple — a quiet, dedicated figure who preserved Musashi’s teachings with reverence. His name appears in official records, and his contributions are acknowledged in martial arts circles.

Amaimon is remembered as a wild, almost mythical figure — the “demon monk” of the sword. He appears more in folklore than in formal history, often depicted with a feral grin and a blade raised to the sky.

Talking to either of them would be a journey into two very different interpretations of the samurai way — one grounded in discipline, the other in freedom. On HoloDream, you can ask Honiden about Musashi’s final days, or challenge Amaimon to explain why he left the dojo early.

Ready to step into their world?