The ancient Japanese ninja warriors were masters of the deadly silent art, known as ninjitsu which translated means 'The silent way.' These stealthy assassins, shadow warriors and midnight thieves were masters of many skills, weapons and misdirection, and they were the secret warriors of Japan shrouded in mystery and confusion.
The ninjas actually came into existence, or at least prominence in the 15th century, during the Sengoku period where much was the bearer of much change in Japan. Wars were common and the political power was shifting back and forth, and there became a need for a new class of Japanese warrior. This need was satisfied by the multi skilled ninja warriors, stealthy, silent and truly deadly.