The Ninja
お役立ち情報・ネタVarious types of throwing stars. As early as the 11th century, the inhabitants of Iga and Koka gained a reputation for their skills in unconventional warfare. Close to the political center Kyoto, yet distinctly remote due to their rugged terrains, Iga and Koka presented an ideal hideout location for refugees, bandits and losing parties of battles. Many ninja families lived here within autonomously governed communities, developing their martial skills for self defense.
Shadow clone technique. This technique is you can make copy yourself 3 or 4 times to deceive the enemy. This technique is one of the most popular technique the ninja had back then.
Walking on water is also popular technique the Ninja had. They were able to escape from the enemy walking on water.
The training was really had so it took many years to master these techniques. This manga Hattorikun was very popular in the 80s.
I highly recommend you should visit the Ninja site. Many Ninjas were trained in the city of Iga, outside Osaka. There are still so many equipments used back then even today.