I was going to say because that makes every single ninja movie in the history of ninjas movies 100% incorrect
Pretty much.
Were all ninja's super assassins?
Of course not, nearly all of them were spies, information gatherers, and saboteurs. What people feared the most were the times they actually carried out an assassination without getting caught, as would anyone.
Did all ninja's were black?
Definately not. In fact there's no real evidence any of them wore black, ever. Images of a ninja wearing black are by and large an artistic expression symbolizing invisibility. Beyond that it's only a logical argument put forth that if they had a mission at night, black would blend in best with their surroundings. If a mission required them to be stealthy and took them into the forest, they'd wear green. If it was during the winter or in snow, they'd wear white. If it was in broad daylight, they'd dress like a peasant. Or a samurai.
Did ninja's have supernatural powers?
I suppose anything is possible, right? But no, there is no evidence to support this. What they did have were years of training in stealth and misdirection. A common trick was to throw a shuriken from a hiding place and have it land out of sight in a bush and just graze a guard's neck. A terrified guard would then run and get help to fend off the invisible attacker.
Stories of a ninja moving so fast that he attacked and killed a room full of people in a split second were similarly false. There were most likely four of them, and witnesses just only ever saw one at a time (and hey, they all look pretty much the same). Similarly, ninja weren't somehow more effective alone or somehow less effective in groups. Like any other group of specialists, ten ninja would be far more effective than one ninja. They wouldn't stop being stealthy and brazenly stroll down the middle of a field simply because there are ten of them.
And yeah, the existence of ninja is pretty well documented historically, even the shogunate had hired them. The only real matters of debate left are if the schools that practice "ninjutsu" today have any direct connection to the groups from feudal Japan, and whether the famous individuals historically identified as ninja
were actually ninja.
Going by the fact that carrying a katana around without being of the samurai class was a crime punishable by death
100% of the activities carried out by an average ninja were punishable by death.
You think they'd care about stealing a highly effective sword if it served a purpose?
