In this book, readers will find not only descriptions of techniques, but also an explanation of the principles on the basis of which these techniques are based, and a description of typical mistakes that beginners often make, and dozens of special exercises designed to develop the strength, speed and accuracy of strikes, as well as a number of other qualities necessary for a fighter, and a universal concept of defense based on understanding "spheres" and "angles of attack," and a description of the correct and incorrect tactics of fighting with weapons, and much, much more.