Concepts

This section is a catch-all of background information needed to make the rest of the site content accessible to those who have not been inculcated into martial arts culture. This required-reading involves overviews of the:

• Glossary
• Ranking system
• Uniform regulations
• Dōjō protocol
• Differences and interrelations between jutsu and dō

So you can overcome the Grey Man and the effects of his Four Poisons.

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