Over the years, Sasuke has been super resourceful, tweaking the Chidori with variations like ... who turned into a close friend. We do appreciate the symbolism here. To give you some context ...

The "1000 Birds" challenge in Modern Warfare 2 references the "Chidori" lightning jutsu performed by Kakashi Hatake and Sasuke Uchiha in ... since knife kills do not count toward completion.