Board Thread:Naruto Discussions/@comment-26011534-20150201161502/@comment-4271790-20150201182916

Unnamed arcs = Fanmade arcs (such as Shinobi World War Arc, Ten-Tails Revival Arc, etc). As of right now, "Kaguya Ōtsutsuki Strikes" apparently spans from 70 to 72, as far as this wiki is concerned.