After struggling with toad oil, Naruto learns to channel natural energy through intense focus. He uses Shadow Clones to accelerate his learning, a feat even Jiraiya couldn't achieve.
This is a filler episode from the Kurosuki Family Removal Mission arc. Naruto Episode 156
Raiga Kurosuki wakes up and, finding Ranmaru unconscious, directs his rage toward Karashi. After struggling with toad oil, Naruto learns to
Depending on which series you are watching, "Episode 156" refers to different events. Here are the summaries for the original series, Shippūden , and Boruto : After struggling with toad oil
Meanwhile, the Raikage prepares for a Five Kage Summit to address the Akatsuki and retrieve his brother, Killer B, from Sasuke. Naruto (Original) — "Raiga's Counterattack"