The episode concludes the climactic battle against Orochimaru and Kabuto. After Naruto uses his Rasengan to protect her, Tsunade overcomes her fear of blood and officially accepts the role of the Fifth Hokage .
Based on the file naming convention, here is the technical breakdown:
Naruto successfully uses the Rasengan in a real battle for the first time, an "impossible" feat for his age. File Details & Technical Report
Likely distributed via a Telegram channel named @TR_2k_links . Resolution: 720p (High Definition).