Naruto Shippuden episode 478, which will be episode 698 of the anime when also including the first 220 episode of the original Naruto series, is expected to cover manga chapter 699.
The Naruto Shippuden anime is in the final chapters, the final battle, of Masashi Kishimoto’s great Naruto manga series.
The anime will eventually shift focus to life after manga chapter 699 and cover what’s in the official Naruto book series.
It’s unclear what Naruto Shippuden anime episode 699 will cover.