From Lethal Battlefield Tactics to the Path of Peace: The Secret Link Between Aikido and Daitō-ryū. Ever wondered how the ”Way of Harmony” actually began? The peaceful movements of modern Aikido were born from one of Japan’s most formidable and secretive combat systems: Daitō-ryū Aiki Jūjutsu [1, 3]. In this deep dive, we trace the…