One Piece: Killer Method #204

As the fight continued, Kieran's grin grew more pronounced with each passing moment. Ohm maintained his strategy of hit and run, darting out from behind various obstacles to launch surprise attacks on Kieran before swiftly disappearing back into the ruins of the city.

Kieran's keen senses and honed instincts allowed him to pinpoint Ohm's location on occasion. But it wasn't long before Holy, Ohm's giant dog companion, would appear seemingly out of nowhere. The creature would distract Kieran or whisk Ohm away from harm's way whenever the former assassin got too close for comfort.

When Holy wasn't actively participating in the fight, it scuttled around the battlefield with an eerie grace, manipulating the numerous traps and snares strewn throughout the ruins. These hidden hazards ranged from concealed pitfalls to spring-loaded snares, rendering Kieran's attempts to take the offensive almost impossible.

Despite the seemingly overwhelming odds and the relentless tactics of his opponents, Kieran couldn't help but grin. The thrill of battle, the constant challenge, and the need for adaptability fueled his excitement.

As an assassin, Kieran had spent his life mastering the art of the hunt. He was accustomed to lurking in the shadows, striking from unexpected angles, and disappearing before his prey could react. 

However, the change of pace in this chaotic battle didn't trouble or concern him; it was, in fact, quite refreshing. Perhaps some of his captain's influence had rubbed off on him.

Ohm's relentless attacks continued, forcing Kieran to think on his feet. In a moment of clarity, Kieran closed his eyes and took a deep breath. He stood still, relying solely on his heightened senses. His ears became his guiding light, helping him pinpoint the location from which Ohm's attacks originated.

The transition wasn't seamless at first. It was as if Kieran needed to recalibrate his entire perception of the battlefield. However, he was a quick learner, and within moments, he began to adapt. He relied on the subtle nuances of sound to detect the slightest disturbances in the air caused by Ohm's movements.

As this newfound awareness settled in, Kieran's dodges became even more precise and efficient. He could see through Ohm's attacks with uncanny accuracy, sidestepping deadly strikes and countering with well-timed maneuvers.

But something else started to happen as well. The cacophony of battle around him, the Shandians clashing with Enel's followers, began to evolve into more than just noise. It was as though the pressure of the battle was heightening his senses.

Kieran's ears picked up the battle cries of the Shandians with increasing clarity. Their voices became distinct, each one a thread in the chaotic tapestry of war. But it didn't stop there. As Kieran continued to focus, the voices expanded into something more. It was as if he had tapped into a hidden reserve of perception.

Almost as if he were enlightened by the pressure of the battle, Kieran's senses expanded further. He began to sense not only the voices but also the presence of those around him in the upper yard. He could feel their locations, their movements, and even their intentions.

Kieran had become a living sensor, attuned to the ebb and flow of the battle in a way he had never experienced before.

Kieran's eyes snapped open, and a wry smile played on his lips. "Observation Haki, eh...? That was easy," he muttered to himself, shaking his head. He could feel the newfound power coursing through him, sharpening his senses to a level he had never experienced before.

As soon as the words left his lips, Kieran's newly awakened Observation Haki flared up, tingling in his senses like a sixth sense. It was as if he could now perceive the world in a different dimension. He promptly turned around, his instincts guiding him to where Ohm's Eisen Whip was flying toward him from between the crevices of a distant building. The weapon had just extended out of Ohm's grip.

With a confident smile, Kieran leaped into the air, his shadowy arsenal responding to his will. Three bazookas sprouted from the shadows beneath him and opened fire on the building from which Ohm's attack had originated. The explosive blasts tore through the structure, sending debris and dust scattering in every direction.

Ohm's eyes widened at how quickly Kieran had reacted, but he didn't waste a moment. He darted away from the collapsing building, his agility allowing him to reach another cover just in time to avoid the devastating barrage.

However, Kieran's newfound powers were not to be underestimated. As he soared through the air, he had already read Ohm's intentions. With a sense of clarity brought about by Observation Haki, Kieran raced towards Ohm's new destination, knife gleaming in his hand.

Closing the distance between himself and Ohm in a blink, Kieran was determined not to let his elusive adversary escape again. Ohm barely had a moment to process the dire situation before Kieran was upon him, his knife already descending with lethal intent.

Ohm's reflexes kicked in immediately as he raised his Eisen Blade to block the attack. The clash of steel against steel echoed through the chaotic battlefield. Despite Kieran's seemingly scrawny build, there was surprising strength behind his swing, and it pushed Ohm to the brink of his defenses.

Struggling to maintain his ground, Ohm couldn't help but frown as he locked eyes with Kieran. "You... how can you pinpoint my location?" He grunted with effort, his muscles straining against the relentless force of Kieran's assault.

Meanwhile, Holy, the massive dog, was sprinting toward Kieran from behind. Its formidable form cast a shadow over the battle-scarred ground as it lunged at Kieran with ferocious speed.

Kieran's grin widened as he sensed the giant dog closing in behind him. With uncanny awareness, he swiftly kicked Ohm in the abdomen, a well-placed strike that sent Ohm stumbling backward, gasping for breath.

In one fluid motion, Kieran spun around to face Holy, his knife poised for action. He ducked under the massive paw aimed at him, narrowly avoiding a potentially devastating blow. Using the grip of his knife, he executed a precise swing at the dog's neck.

The blade connected with a resounding thud, and Holy's eyes rolled back as it lost consciousness mid-attack. The colossal canine crumpled to the ground, its threat neutralized.

Turning to face Ohm, who clutched his abdomen and stared at Kieran with eyes wide in disbelief, Kieran's grin remained, the thrill of the battle still coursing through him. "Mantra," he replied casually with a nonchalant shrug. "It's surprisingly easy to learn."

Ohm's frown deepened as he adjusted his sunglasses, clearly perturbed by Kieran's rapid acquisition of Observation Haki. "You got lucky, that's all," he retorted, his voice tinged with frustration. "However, I have been practicing Mantra for many years. You're still no match for me."

With unwavering confidence, Ohm lunged at Kieran, determined to regain the upper hand in the battle.

Kieran said nothing, his grin undeterred as he met Ohm's charge head-on. Now that Ohm could no longer rely on evasion and deception, overpowering him was a straightforward task. Kieran possessed the skill, speed, and physical strength to dominate this confrontation, but he chose not to. 

Instead, he swayed gracefully, moving left and right with calculated ease, waiting for Ohm to reveal any additional tricks he might have up his sleeve.

Much to Kieran's disappointment, Ohm had no more surprises left to spring. The battle-tested assassin saw through the facade of his adversary, recognizing the limits of Ohm's abilities. 

Deciding that there was more merit in continuing the fight, Kieran swiftly ducked under one of Ohm's arcing swings. He stepped forward with a dancer's grace, his gloved hand gripping Ohm's wrist like a vise. At the same time, Kieran's leg snaked behind Ohm's ankle, applying subtle but precise pressure.

In a fluid motion, Kieran slashed Ohm's wrist with the knife he held in his other hand. The searing pain forced Ohm to release his grip on the Eisen Blade. Simultaneously, Kieran's leg sweep tripped Ohm, sending him sprawling onto his back.

Ohm, dazed and disoriented, attempted to rise, but he promptly froze as he found himself staring at the unforgiving black barrel of a flintlock pistol, held steady in Kieran's gloved hand.

"I won't acknowledge your victory!" Ohm seethed through gritted teeth, his frustration palpable. "I had the upper hand until you got lucky and awakened Mantra!"

Kieran's response was a simple, enigmatic smile. "Is that so?" he mused aloud, his tone dripping with amusement.

Before Ohm could formulate a retort, the very shadows around Kieran came to life. Several shadowy pillars sprouted from the ground, each one bearing an array of countless firearms. It was a surreal and intimidating sight.

As if responding to an unspoken command, the weapons all unleashed a deafening barrage of gunfire simultaneously. The impact sent shockwaves through the ruins, causing them to tremble and topple. 

The cacophony of destruction obliterated any traps and obstacles Ohm might have used for his hit-and-run tactics, leaving them buried beneath the rubble.

Ohm, his sunglasses askew and his once-confident demeanor shattered, could only mutter in disbelief, "You... you could have beaten me at any time... so why?"

Kieran maintained his grin, seemingly unfazed by the chaos surrounding them. "Because it's more interesting this way," he replied cryptically, his voice carrying a note of whimsy. "Or so my captain would say..."