While Konan maintained her flight, Kakuzu was instantly caught in the fleshy trap as his boots sank into the sticky tissue. Kakuzu hardened his body using Earth Spear to resist the crushing pressure around his legs, while he detached fire mask.
"Fire Style: Searing Migraine!"
A wave of fire blasted from the mask, loosening the toad tissue but did no damage to it and creating a temporary opening. Kakuzu ripped his legs free and leaped back to find better footing. But Jiraiya was a master of his domain; he commanded the tissue to wrap around Kakuzu's ankles once more at his next land point.
Seeing her partner in disadvantage, Konan directed hundreds of explosive tags to the ceiling of the cave, detonating them all at once to blow a massive hole straight through the cavern. Simultaneously, a stream of her paper latched tightly onto Kakuzu, lifting him into the air to pull him toward the escape route.
Jiraiya sensed the impending retreat, but he hesitated. To bring them down now meant unleashing a lethal attack that would undoubtedly kill Konan... the girl he had once raised. That split second of sentimentality cost him the window.
Kimimaro, however, felt no such hesitation as he was already furious at Konan for making a mockery of Lord Orochimaru, he stepped forward. His bones shifted as they protruded through his fingertips.
"Wind Style: Spiraling Finger Bullets!"
Like a rapid-fire machine gun, Kimimaro unleashed a continuous barrage of bone bullets enhanced with wind chakra, drilling through the smoke toward Konan. The debris and explosions from the ceiling obscured his view, but he didn't stop.
Jiraiya, snapping out of his hesitation, threw his head back. "Art of the Raging Lion's Mane!"
His white hair lengthened, transforming into a thicket of spikes that snaked through the cavern, snapping at Kakuzu and Konan.
Hanging in midair, Kakuzu realized they were a second away from being overwhelmed. He unleashed the most destructive jutsu at his disposal. His wind and fire masks detached completely, merging into a singular entity.
"Combination Style: Strange Mask Exploding Flame!"
The merged masks unleashed a cataclysmic tempest... the wind chakra fanning the flames into a towering inferno that clashed violently with Jiraiya's oncoming hair and Kimimaro's bone bullets, filling the collapsing cavern with a blinding, scorching glow.
~~
Neji lunged forward, thrusting his hands out as a condensed blast of high-pressure chakra erupted from his palms... a swift Vacuum Palm strike aimed at Konan. But she was too quick, with an ethereal aerial fluidity, her body broke apart into a flurry of sheets, narrowly evading the invisible projectile.
Sensing an opening, Shino directed a dense swarm of his kikaichu bugs to swarm and consume her paper form. Anticipating the trap, Konan infused the surrounding sheets with sharp wind-natured chakra. The resulting gale-force repellant blasted the parasitic insects away before they could even make contact.
Seeing her ascend toward an opening in the ceiling, Naruto refused to let her slip away. "Don't think you can escape so quickly... not when I'm here, dattebayo!" he bombed.
With a plus hand sign, a dozens shadow clones formed. As one clone grabbed the ankles of another, rapidly linking together to form a living ladder. They propelled themselves upward into the breach, effectively cutting off her primary escape route and forcing her back down.
Jiraiya stood firm, his expression weighed down by the burden of their relation. "Konan," he called out, his voice with solemnity. "Tell me... why have you changed so much?"
Konan drifted above them. "Jiraiya-sensei, we are not the children you once knew. We are not the same. And frankly, there is no point in talking anymore."
Realizing words would no longer reach his former student, Jiraiya steeled his resolve. He reached into his ninja pouch and unrolled a familiar scroll... the very same seal he had used two years prior to seal the inextinguishable black flames left behind by Itachi Uchiha to escape this very same Toad's esophagus.
"Fire Unseal: Amaterasu!" Jiraiya shouted.
With a flick of his wrist, he manipulated the unsealed black flames, hurling them directly at Konan. A harrowing scream tore from her throat as the inferno caught her. In a desperate attempt to survive, she burst into cloud of paper to halt the spread of the black flames. For Konan, this was a devastating gamble; every single sheet of paper she produced was an extension of her own flesh, and any piece reduced to ash was permanently lost.
The agonizing pain shattered her focus as the paper constructs keeping Kakuzu afloat instantly dissolved, sending the Akatsuki treasurer crashing heavily into the flesh of the Toad's esophagus. Unable to maintain her grip on the situation, Konan's remaining paper swarm streamed desperately through the ceiling hole, abandoning her partner to save herself.
Jiraiya didn't waste a heartbeat. Turning his attention to the fallen Akatsuki member, he conjured a massive, sealless Big Ball Rasengan. The swirling sphere of pure chakra slammed into the wind and fire mask entity, instantly obliterating both his masks in an explosion.
He slowly walked past the crumpled rogue ninja without batting an eye, Jiraiya rushed toward the stray Amaterasu flames that were now burning through Konan's discarded paper and were about to incinerate the stomach lining of his summoned toad. Dropping to his knees, he quickly whipped out another scroll.
"Fire Sealing Method!" he said and meticulously drawing the black flames back into the seal. While he could technically reuse this sealing technique, controlling them demanded an exhausting amount of mental focus, even for a shinobi of his caliber.
As the smoke cleared, Naruto crossed his arms, pouting with both awe and deep frustration. "Pervy Sage! Why was that lady calling you her sensei? Don't tell me you taught her a flashy jutsu like that while you were making me practice stupid frog dances!"
Ignoring the boy's outburst, Jiraiya walked back over to Kakuzu, who lay entirely immobilized by the constricting, acidic walls of the toad's stomach.
"To think your body could withstand the gastric juices of the Great Toad," Jiraiya muttered, looking down at the defeated rogue mercenary with a hardened gaze. "Kakuzu, was it? You will tell me everything you know."
~~
A/N: I have never seen Jiraiya using Amaterasu but I thought it would good for him use what he collected.
He could effectively continue reusing until Itachi himself puts it down or pain pushes them away.
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