Ancient history is fraught with many mysteries, and one of the most exciting is the mystery of the origin of the ancient Slavs and the origin of the Rus tribe, directly related to the history of Russia. Trying to solve this mystery, the author invented a special method related to the study of toponymy, and this method led him to a number of amazing discoveries. Research conducted by the author allows us to assume with a high degree of probability what the current passionarity is, and therefore the future of the Russian people, which has absorbed many tribes and nationalities.