Rokutoryu is the fighting style of Hatchan. He has a huge advantage of being able to wield 6 swords with each weighing over 300 kg (661.4 lbs) thanks to his octopus-like features and his fishman strength. In essence, it is a sword-fighting technique that focuses on the strength of the user. Coupled with the number of swords, along with the dexterity of the arms wielding them, all these factors make this a truly versatile technique.