The boar was a mountain given legs and rage. That was the only way Kira could think of it as she flowed through her Gentle Fist forms, her palms striking the beast's flank in rapid sequence. Two strikes. Four. Eight. The impacts landed with the precision drilled into her since childhood, each one aimed at a tenketsu point that should have disrupted the chakra flowing through the limb, should have numbed the muscles and slowed the creature's advance. Instead, the boar's corrupted chakra surged against her attacks like a living thing, pushing back, rejecting her attempts to close its nodes with a violence that made her palms tingle even through her chakra reinforcement.
She disengaged before the counterstrike landed. The boar's massive head swung toward her with those infected red eyes rolling, its tusks carving arcs through the air where she'd been standing. She Body Flickered to its blind side, her sandals skidding on the torn earth, and reassessed.
The corruption was the problem. Every tenketsu she could see with her Byakugan was inflamed and distended, the chakra flowing through them in chaotic spirals that made no anatomical sense. The nodes were swollen to twice their normal size, their edges ragged, their pulses erratic. A normal chakra beast had a network she could read and shut down, a predictable map of energy pathways that the Gentle Fist had been designed to exploit. This thing had been pumped full of something that had turned its internals into a warzone, a battlefield where her chakra was just another invader to be crushed. And the Gentle Fist was designed for precision, not for brawling against an infection that fought back.
Sakumo landed beside her, his tanto wet with black ichor that dripped from the blade in thick, viscous strands. He'd been carving at the boar's joints, looking for gaps in the armor, and from the amount of fluid coating his blade he'd found several. The boar's front left leg was dragging slightly now, the stone plating around the knee cracked and seeping, and there was a deep gash behind its right shoulder that would have crippled any normal creature. But this thing wasn't normal, and the corruption was already knitting the wound back together, black threads stitching flesh like a tailor repairing torn cloth.
Kira: The corruption is adapting faster than I can close its points. Every time I disrupt a node, the corrupted chakra reroutes. It's like trying to dam a river with your hands. The water just finds another path.
Sakumo: Then we don't dam it. We redirect it.
His voice was calm, almost conversational, despite the twenty tons of enraged boar currently turning to face them, its infected eyes locked onto their position with that same mindless fury. He wiped his blade on his sleeve, the white fabric staining black.
Sakumo: You've been targeting the major tenketsu. Try the secondary nodes around the shoulders and hips. Smaller points, but they regulate the beast's stability. If we can't stop it from moving, we make it fall.
Kira nodded and reactivated her Byakugan fully. The veins around her eyes pulsed as her vision expanded, piercing through the boar's armored hide and into the tangled mess of its chakra network. The major tenketsu were obvious, bright knots of corrupted energy that screamed for attention like beacons in the dark. The secondary nodes were harder to see, smaller and partially obscured by the corruption, their signals muddled by the chaos around them. She found them anyway. Years of training with a limited skill set had taught her to notice what others overlooked, to see the cracks in the armor that everyone else ignored. The branch family didn't get the best instructors or the most advanced techniques, but they learned to make do with what they had.
The boar charged. Its hooves tore the ground in a straight line toward them, each impact sending tremors through the earth, each step a small earthquake that cracked the stone beneath its weight. Its tusks lowered to scoop and impale, the chipped edges gleaming with black ichor. The earth shook with each impact. Sakumo moved left. Kira moved right. The boar passed between them like a boulder through a split stream, and they both struck at the same moment.
Sakumo's tanto bit into the boar's right hind leg, severing a tendon with surgical precision, the blade sliding between armor plates like a key into a lock. The steel came out wet, trailing black fluid and shreds of corrupted tissue. Kira's palm drove into the boar's left shoulder, not at the major joint but at a cluster of secondary nodes she'd identified, a small constellation of tenketsu that fed stability commands to the front leg. Her chakra injected into the points and spread, not trying to close them but to confuse them, to send contradictory signals through the already chaotic network. Make the leg think it was supposed to bend when it should have locked. Make the muscles spasm when they should have braced.
The boar's front leg buckled. Its momentum carried it forward, and the sudden loss of stability combined with the severed tendon sent it crashing onto its side in an avalanche of flesh and armor and spraying ichor. The ground cratered under its weight, a spiderweb of cracks spreading outward from the impact point. Dust and debris mushroomed into the air. For a moment, the beast was down, its flanks heaving, its legs kicking uselessly at the air.
Sakumo: Good. Again. Keep it off balance.
He was already moving toward its exposed belly, his tanto raised, his white hair streaked with dust and sweat. Kira followed half a step behind, her hands already shaping the next strike.
Across the ravine, a series of explosions lit up the sky. Kira caught the edge of it with her Byakugan even as she closed distance on the downed boar. Ryusei and Mikoto were fully engaged with the eagle. She saw the clone formations, a small army of Ryuseis materializing and weaving hand signs in perfect synchronization. She saw fire bullets intercepting wind rounds in a chain of detonations that turned the air into a furnace, the shockwaves rippling outward and rattling the stones beneath her feet. She saw Ryusei launch himself off his clones at speeds that should have torn a normal body apart, his fist wrapped in blue flame, his trajectory a straight line toward the eagle's skull. She saw Mikoto positioning herself beneath him, lightning already gathering in her hands, her Sharingan tracking every variable with mechanical precision, her dark hair whipping in the wind of the explosions.
They had synergy. That was the word Sakumo had used earlier, right before the beasts noticed us.
Sakumo: Both Mikoto and Ryusei have good synergy. Maybe we can practice our own?
He'd said it while the eagle was still screaming and the boar was still turning, his tone light, almost playful, like they were discussing a training exercise instead of a life-or-death battle. Kira had shaken her head inwardly, filing the comment away as another example of things she would never understand about these people. Those two are fighting for their lives against a beast that would wipe out an entire squad, and you're talking about practice. The White Fang was a legend for a reason, but sometimes legends forgot that normal people didn't treat death matches like training exercises.
The boar was getting up. Its corrupted chakra flared, the black veins along its neck pulsing faster, throbbing with that same sick rhythm. It heaved itself upright with a bellow that shook loose stones from the ravine walls, a sound so deep and loud that Kira felt it in her chest. The leg she'd disrupted was working again, the confused signals overridden by whatever poison was driving the beast. The tendon Sakumo had severed was visibly reknitting, strands of black corruption stitching the tissue back together, pulling the wound closed like a zipper.
This was going to be a long fight.
Kira moved in again, her body flowing through the Gentle Fist forms her father had drilled into her since she could stand. Palm strike to the knee. Palm strike to the hip. Fingertip jab to a cluster of tertiary nodes she'd spotted near the spine. Each hit landed with precision, each strike found its mark, and each hit was undone moments later by the surging corruption. But she was learning its patterns now. The corruption wasn't infinite. Every time it sealed a wound or reconnected a severed tendon, it pulled from a central reservoir somewhere deep in the boar's chest. The reservoir was massive, a dark sun of corrupted energy pulsing at the creature's core, but it wasn't bottomless. If she and Sakumo could force it to spend faster than it could replenish, they could outlast it.
Assuming they didn't get crushed first.
The boar's hoof came down in a stomp that sent a shockwave rippling through the earth, a wave of force that threw up chunks of stone and sent dust billowing into the air. Kira leaped over it, her body twisting in the air to avoid the follow-up tusk sweep, the wind of its passing tugging at her clothes and pulling strands of hair from her ponytail. She landed on its back, ran two steps along its armored spine, and drove both palms down into the gap between its shoulder blades. This time she didn't target the tenketsu. She targeted the corruption itself, injecting her own chakra into the wound and letting it disrupt the foreign energy directly.
The boar screamed. Its body convulsed, nearly throwing her off, and the corruption around the strike zone writhed like a nest of snakes exposed to sunlight, twisting and recoiling from her chakra. She'd hurt it. Actually hurt it, not just inconvenienced it. For a moment, the corruption's flow stuttered, and the boar's movements became sluggish, uncoordinated.
Then the corruption retaliated.
A wave of black chakra erupted from the boar's spine, slamming into Kira's palms and racing up her arms before she could pull away. The sensation was like plunging her hands into freezing oil, thick and cold and wrong on a level that bypassed physical sensation and went straight to her nerves. Her tenketsu screamed. Her own chakra buckled, folding under the assault like paper in a storm. She threw herself backward off the beast, landing hard on the ground with her arms trembling and her Byakugan flickering, her vision doubling and blurring.
Sakumo was there before she could stand, his hand closing around her collar and pulling her clear as the boar's head smashed down on the spot where she'd landed. Stone shattered. Dust erupted. The impact cratered the earth, sending shards of rock flying in all directions. He set her on her feet at the edge of the new crater and studied her face for half a second, his dark eyes scanning for injury.
Sakumo: Report.
Kira: My chakra is stable.
Her arms were still shaking, but she could feel her reserves settling, the foreign chakra purged from her system.
Kira: The corruption tried to invade my pathways. I purged it. But direct contact is dangerous. It's actively hostile to foreign chakra. It attacks anything that isn't itself.
Sakumo: Then we don't touch it directly. Use the Gentle Fist at range.
Kira: The Gentle Fist doesn't have range. You know that.
Sakumo's eyes creased in what might have been a smile. There was something knowing in his expression, something that made her feel like he'd been leading her toward this moment all along.
Sakumo: It doesn't have range yet. You've been hitting the same points the same way your instructors taught you. What happens if you extend the chakra beyond your palm?
Kira opened her mouth to say that wasn't how the Gentle Fist worked, then closed it. She thought about Ryusei's words from the training ground. Create something new. Something the cage doesn't have rules for. Something unique enough that it gives you the strength to break free.
She shouldn't be thinking about that in the middle of a fight. She knew that. The boar was already turning, its infected eyes locking onto them, its tusks dripping black ichor that sizzled where it hit the stone. Sakumo was watching her with that patient, evaluating look he had, waiting to see if she'd figure it out or if he'd need to carry the fight himself. Somewhere across the ravine, Ryusei was punching an eagle in the face with blue fire wrapped around his fist, and Mikoto was lining up kill shots, and the two of them were moving like they'd fought together for years instead of days.
Create something new.
Kira reset her stance. She extended her palm toward the boar, not in the standard Gentle Fist form but in something looser, more open, her fingers spread, her wrist relaxed. She gathered chakra in her palm the way she always did, condensing it into the familiar sphere of disruption, but instead of holding it close for a contact strike, she pushed. Not a blast like a ninjutsu, not a wave of force that would dissipate before it reached the target. A needle. A thin, focused extension of her chakra shaped like a finger, like a spear, stretching from her palm toward the boar's shoulder with a precision she didn't know she had.
It was clumsy. The chakra wavered and almost dissipated before it reached the target, the edges fraying, the tip wobbling. But it reached. The needle of chakra touched the boar's secondary tenketsu cluster, and she pushed.
The boar's front leg spasmed. The corruption surged to counter, a wave of black energy rushing to the node, but she'd already withdrawn the needle and struck again at a different point. And again. And again. Each strike was weaker than a direct palm but faster, safer, and she could target multiple points in the time it took the corruption to respond to one. The boar's movements became jerky, uncoordinated, its legs fighting conflicting commands from the disrupted nodes.
Kira: This is ridiculous.
She muttered it under her breath, her hands moving in patterns she was inventing on the spot, her chakra flowing in ways she'd never been taught.
Kira: This shouldn't work. The Gentle Fist requires contact. The chakra diffusion rate at this distance should render it useless. The energy should scatter, should lose coherence, shouldn't be able to affect the tenketsu at all.
Sakumo: The diffusion rate depends on the user's control.
He was smiling now, definitely smiling, even as he dodged a tusk swipe that would have gutted a lesser shinobi.
Sakumo: You have excellent control, Kira. You've just never been allowed to test its limits.
Allowed. The word hit harder than the boar's corruption, harder than any physical blow. She'd never been allowed to test anything. The branch family learned the techniques they were given and they perfected them and they never, ever experimented. Experimentation was for the main house. Innovation was for the pure bloodline. She'd been training a limited skill set for her entire life, and she'd taken that limitation as law, as something as immutable as the seal on her forehead.
The boar charged again. Its corrupted chakra was pulsing faster now, the reservoir in its chest shrinking as it burned through its reserves. The damage Sakumo had been carving into its joints was taking longer to heal, the black threads moving slower, the wounds staying open for seconds instead of heartbeats. The disruption from Kira's ranged strikes was throwing off its coordination, making it stumble, making it hesitate. It was slowing. Dying by inches. But a dying boar was still a boar, and it still had tusks long enough to impale a building, and it still had enough strength to crush them both if they made a mistake.
Sakumo met the charge head-on. His tanto flashed once, twice, and a deep gash opened across the boar's snout, spraying ichor into its eyes. The beast screamed, blinded, and veered slightly, its tusks carving furrows in the stone to their left instead of through their bodies. Sakumo used the opening to vault onto its head, his body moving with that inhuman grace, and drove his blade into the gap behind its skull. The steel sank deep, scraping against bone, and the boar bucked and thrashed, its bellows shaking the ravine and sending loose stones tumbling from the walls.
Kira moved in from the flank, her hands still forming those experimental needle strikes. She targeted the boar's remaining stable leg, threading chakra into the corrupted nodes and pulling the triggers on muscles already exhausted from fighting Sakumo's onslaught. The leg gave out. The boar listed hard to one side, its massive body tilting, and Sakumo rode the momentum, twisting his blade and forcing the beast's head down toward the ground.
Sakumo: Kira, now. The chest. There's a concentrated mass of corruption. That's the core. Shut it down and this ends.
She could see it with her Byakugan. A dense knot of black chakra pulsing in the center of the boar's chest, smaller than it had been at the start of the fight but still strong, still pulsing with that sick rhythm. The corruption's source. The heart of whatever had been done to this creature. If she could disrupt it, the beast's regeneration would stop and the accumulated damage would finally take hold.
But to reach it, she'd have to get close. And close meant the corruption could strike back. The memory of that freezing oil racing up her arms was still fresh, still making her hands tingle.
She went in anyway. Her feet carried her across the torn earth faster than conscious thought, her body moving on instinct honed by years of training. The boar's thrashing tusks missed her by inches, the wind of their passing ruffling her hair. Its last functional leg kicked out, a massive hoof swinging toward her chest, and she vaulted over it, pushing off the beast's own momentum to land on its exposed chest. The corruption surged toward her immediately, black tendrils of chakra reaching for her hands and feet like grasping fingers.
She didn't let them touch her. Her palm struck the chest plate, not with a Gentle Fist strike but with something new, something she was making up in the moment. She shaped her chakra into a wedge and drove it down through the corruption, not trying to close the nodes but to separate them, to isolate the core from the network it was trying to sustain. The wedge pushed through the black energy, parting it like a blade through flesh, and Kira felt the corruption recoil.
The corruption fought her. It was stronger than she was, stronger than any chakra she'd ever encountered, but it was also mindless. It reacted to threats with brute force because it didn't know how to do anything else. And brute force couldn't stop a wedge that was already inside its defenses, that was already separating its components, that was already doing damage it didn't know how to repair.
The core shuddered. The corruption's flow stuttered. Across the ravine, the eagle screamed in response, a high-pitched shriek of pain that echoed off the stone walls, and Kira felt the two corrupted chakras pulse in synchronization for just a moment. They were connected. The beasts were connected, their corruptions feeding off each other, sharing energy, sharing power. Whatever had been done to them had linked them on a level she couldn't fully see, a bond that transcended normal chakra networks.
That was a problem for later. Right now, she had a wedge in the boar's chest and Sakumo had a blade in its skull and somewhere in the distance Ryusei was about to punch an eagle with enough force to break the sound barrier.
She drove the wedge home. The corruption core fractured, not destroyed but destabilized, its grip on the boar's body loosening. The beast's regeneration stopped. The wounds Sakumo had been inflicting for the past several minutes suddenly mattered, black ichor pouring from a dozen deep cuts, pooling on the stone beneath the creature. The boar's legs buckled completely, its massive body crashing to the ground with enough force to crack the stone beneath it, to send a final shockwave rippling across the ravine floor.
Kira leaped clear, landing beside Sakumo with her chest heaving and her arms trembling. Her chakra reserves were lower than they'd been in years. Her hands ached from shaping techniques they'd never been designed for, the muscles screaming in protest. But the boar was down, and it wasn't getting up, and she'd done something she hadn't known she could do.
Sakumo: Good work. We'll refine the ranged application later. For now, let's make sure the others don't need backup.
He withdrew his tanto from the boar's skull, the blade coming free with a wet sucking sound, and wiped it clean on a cloth that had somehow stayed white through the entire fight. His expression was calm, but there was something in his eyes, a warmth that hadn't been there before.
Kira nodded, still catching her breath. She turned her Byakugan toward the other battle, tracking the chakra signatures as they twisted and clashed. Ryusei was in the air, riding the eagle's back and pouring blue fire into its corrupted network, his spirit flames eating through the darkness. Mikoto was lining up for what looked like a finishing blow, her chakra spiking as she prepared something massive, something that made the air around her shimmer with heat.
And underneath both battles, almost completely masked but still there if you knew what to look for, another signature. Human. Faint. Watching. Kira's eyes narrowed.
Kira: Sakumo-sama. There's someone on the far ridge. They've been there the whole time.
Sakumo's expression didn't change, but his chakra went very, very still. The easy warmth drained away, replaced by something colder, more focused.
Sakumo: I know. Let's finish these beasts first. Then we'll have a conversation with our observer.
The boar wheezed on the ground, its corrupted chakra sputtering like a dying flame, the black veins along its neck fading from pulsing black to dull gray. The eagle was screaming as Ryusei's spirit flames ate through its defenses, the blue fire consuming the darkness from the inside out. And in the space between heartbeats, Kira felt something shift in her chest. Not chakra. Not the corruption. Something smaller and quieter and more dangerous than either.
Possibility.
She'd created something new in this fight. Something that wasn't in any branch family manual, something that broke the rules she'd been taught to never question. It was a small thing. A needle of chakra at range. It wasn't enough to change anything. Not yet. But it was a crack in the cage, and cracks had a way of spreading if you kept pushing.
She pushed the thought aside and readied herself for whatever came next. The fight wasn't over. The observer was still out there. And across the ravine, Ryusei was falling from the sky with both fists wrapped in blue fire, trailing smoke and light like a falling star.