Aaron Style (アーロン A-ron-ryū) is a perfectly systematize amalgamation of Busoshoku Haki, Kenbunshoku Haki, the Legitimate Self-Defence Style of the Merchant Fleet, Life Return, the Mind Without Mind, and the Way of the Only Skill. In stark contrast to the implications of its name, it's very much less of a martial art and more of a mental transformation into something that can only be accurately described as a war god.