What is the new shuriken formed from Naruto and Sasuke's power? In the end of chapter 634, the latest chapter of Naruto Shippuden, Naruto's shuriken and Sasuke's arrow mixed together and formed a new black kind of shuriken to attack the ten tails.

What kind of power does the new shuriken contain? It contains Naruto's Wind element, but which of Sasuke's powers does it contain?



Is it the "Amaterasu" OR "Lightning" element?
It is a blaze element technique (an enhanced Amaterasu with help from Naruto). What is is called? Well according to the said chapter:



They could call it "SHAKUTON KOURIN SHIPPUU NO YA ZEROSHIKI (read: Swirling Gale of Black and White Arrow)!"