How effective were ninjas?

Ninjas were especially effective in war times and peace. Ninjas would carry out reconnaissance missions, scout out areas, assasiante important figures such as daimyos. Ninjas would sabotage buildings or open castle gates for incoming armies. I would say that ninjas are very effective. read more

Bows were used for sharpshooting, and some ninjas' bows were intentionally made smaller than the traditional yumi (longbow). The chain and sickle was also used by the ninja. This weapon consisted of a weight on one end of a chain, and a sickle on the other. read more

Secondly, they started to become more popular after the decline of the ninja and they were never really considered very effective weapons. They were more training weapons than actual combat weapons as they would have no chance against a katana. read more