There are also lathes, generators, steel armors, Zanpakutos, air cannons, bamboo dragonflies, supreme swords, Gundams and other non-traditional ninja tools.
(A/N: Don't forget this is fiction, Don't do shit like this IRL unless you are handsome, powerful, and rich with a lot of connections, or you will end up in jail for deceiving a girl with drugs and booze)
So true, just like how reading web novels causes brain cancer
"That's why many people, when they hear that a certain food can cause cancer, or that something can prevent cancer. They will step forward and spread it on Fambook, to their circle of friends!"