Raiga Kurosuki wakes up and, finding Ranmaru unconscious, directs his rage toward Karashi.
This episode focuses on and her struggles with her clan's signature technique. Naruto Shippuden #156 REACTION!! "Surpassing the Master"
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" Naruto Episode 156
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, Naruto learns to channel natural energy through intense focus. He uses Shadow Clones to accelerate his learning, a feat even Jiraiya couldn't achieve. Raiga Kurosuki wakes up and, finding Ranmaru unconscious,
Fukasaku marvels as Naruto achieves a "perfect" Sage Mode without frog-like physical mutations, surpassing both Jiraiya and the Fourth Hokage in this specific discipline.
This is a filler episode from the Kurosuki Family Removal Mission arc. "Surpassing the Master" Meanwhile, the Raikage prepares for
Tenten is defeated by Raiga but later saves Ranmaru. Naruto, Neji, and Rock Lee struggle against Raiga’s lightning-boosted powers until help arrives.