Ninja

From Omnictionary

In the history of Japan, a ninja--unlike a pirate, was someone specially trained in a variety of unorthodox arts of war. The methods used by ninja included assassination, espionage, and a variety of martial arts. In the Japanese culture, they were usually trained for dangerous missions. Their exact origins are still unknown.

• You! Yes, you! Want to go on an adventure? You know you do.. Just click here!