OTSU, SHIGA PREF. – Textbooks detailing covert techniques used by ninja and written pledges about their secret missions were passed down for generations at the home of a ninja descendant in western Japan, according to an analysis of ancient documents found there.
Experts in Japanese history say the documents discovered in 2000 in Koka, Shiga Prefecture, are valuable because they prove that ninjutsu techniques employed by feudal Japan’s mercenaries involved in such missions as espionage, sabotage and assassination were handed down to the next generations in the city.
Unable to view this article?
This could be due to a conflict with your ad-blocking or security software.
Please add japantimes.co.jp and piano.io to your list of allowed sites.
If this does not resolve the issue or you are unable to add the domains to your allowlist, please see out this support page.
We humbly apologize for the inconvenience.