Raionkingu no Ken(ライオンキングの剣 Raionkingu no Ken, literally meaning Lion King's Sword) is an superhuman and legendary sword style. In the Funimation dub and Viz Manga, it's known as Lion King's Sword. It is an ancient style that existed even before the Void Century, meaning that it's a sword style that has many secrets. The power of a user is not determined by the user's Doriki level, but by the strength of their soul and/or proficiency in their haki. It also requires the user's strongest emotion to perform various techniques.