Ninjutsu

Ninjutsu was developed as a collection of fundamental survivalist techniques in the warring state of feudal Japan.The ninja used their art to ensure their survival in a time of violent political turmoil. Ninjutsu included methods of gathering information, and techniques of non-detection, avoidance, and misdirection. Ninjutsu can also involve training in disguise, escape, concealment, archery, medicine, explosives, and poisons.