The Soku is a style created by Shirou around the age of five or six. It was impressive enough for even his father to complement. Shirou crafted this style, as a means to challenge all sword wielders, at a game of chance. Each and every other swordplay was later derived of this particular style; and broken down info different sections, but the most renowned being the Iaido. A style, practiced and revolving around a way to unsheathed and sheath a sword instantly, which slashing and landing thrashes onto their opponent. However, unlike the Soku, the Iaido lacked physical strength, as well as speed. One with the Sharingan, is able to predict the Iaido's movements, but not the Soku. Maybe once, and a skillful Sharingan user maybe twice, but never constantly. It was created as a means to never g