Among these Cossacks who lived within the territory of the Zaporizhian Sich, there were said to be some with magic abilities, who were called the Cossack-Sorcerers. According to folklore, these were true war mages, of which legends were born. However, unlike the modern fantasy warriors, they did not throw lightning-bolts and issue fire from their staffs. Their weapons and abilities were somewhat different….
According to the people’s imagination, the Cossacks were able to find and hide treasures, to heal wounds with spells, and to evade and catch bullets. They could withstand hot rods, change the weather and open castle doors with their bare hands. They were able to float on the floor in boats, as if on the sea, to cross the rivers on rugs…and instantly transport themselves from one side of the steppe to another. They knew psychotherapy, understood herbalism, and also possessed the art of hypnosis. There were also claims about the super-human physical training the Cossacks endured, and much more….
How the Cossack-Sorcerers actually began is shrouded in secrecy. Many believe that the Cossacks of legend have come from the ancient Slavic Yazykh priests of the Magi. It is said that after Prince Vladimir the Great was converted from Slavic paganism to Christianity in 988 and christianized the Kievan Rus, the priests did not agree that the prince should have accepted a foreign faith from Byzantium and so fled to the steppe where the warlords set up, teaching their followers in the martial arts….
Just as the Zaporizhzhya Sich was a melting pot for different people, it became possible that such a variety could exist among the Cossacks, sharing their knowledge, skills and abilities with them. By mastering this knowledge, the Cossacks could combine the practice of divination, charisma, and mysticism with the illusion and art of battle, as did the Japanese ninja….
— Cossack-Sorcerers: The Secretive and Magical Warrior Society of Ukraine – Ancient Origins