Strongest Kakashi of Naruto

"The Night of the Nine-Tails, where souls from the present world and Kakashi's soul merge, giving birth to a completely new Kakashi Hatake! Lack of chakra? Not a problem, there will always be more. Limitations of the Sharingan? Not an issue, advancing to the Rinnegan is not a dream. In the end, Kakashi becomes the strongest ninja!"