It's Hero Time! Vol 1 ( Ben 10 x Massive Harem)

Aizen's Last Stand!, Fate of the Quincy!

As Aizen stepped into the fighting arena, a chill ran down his spine as he sensed the cold steel of the Grim Reaper's scythe poised against his neck. The once formidable leader felt a profound sense of isolation wash over him. His loyal Soul Reaper subordinates were nowhere to be found, leaving him utterly vulnerable. The sting of betrayal cut deep as he recalled Gin, the one he had trusted, who turned on him with lethal precision. Tosen, too, had defected, returning to the ranks of the Soul Reapers, a reminder of the bonds that had shattered. 

The remnants of his Arrancar army were now in disarray, split into two factions. One group, swayed by Ben's rising influence, had turned against him and now claimed dominion over his former kingdom, a bitter theft of what he once controlled. The other faction, loyal but defeated, had been cast adrift into another dimension, a fate that felt like a cruel twist of the knife. Aizen stood alone, surrounded by the echoes of his past failures, bracing himself for the impending battle.

" Are You Ready, Aizen?" Ben said to the former Soul Reaper captain. 

Aizen held the freshly forged Zanpakuto in his hand, its polished blade gleaming in the light—it was his Kyoka Suigetsu, the singular object of his affection beyond his relentless ambition. Despite his vast powers and cunning intellect, a flicker of doubt flickered in his mind regarding the effectiveness of his Zanpakuto against Ben. Nonetheless, he resolved to take the risk. With a steely gaze, he nodded at Ben, then activated the hypnotic allure of Kyoka Suigetsu, a technique he had mastered over countless battles.

For a moment, it seemed as though Ben had succumbed to the mesmerizing grip of the hypnosis, his eyes glazing over as he stood motionless. However, the tableau shattered abruptly when Ben vanished from sight. In the blink of an eye, he reappeared right in front of Aizen, his fist poised and ready. Without warning, he unleashed a ferocious punch, driving it into Aizen's midsection with a force that took the breath from his lungs and sent him crashing to the ground, landing on his knees, stunned and reeling.

"It's the end of the line, Aizen," Ben gasped, struggling to catch his breath as he faced his formidable opponent. Fatigue weighed heavily on him, but determination burned in his eyes.

Aizen's piercing gaze fixed upon Ben, a mixture of admiration and frustration swirling within him. Despite the overwhelming realization that victory was slipping through his fingers, he felt an undeniable urge to make one final attempt. His mind raced as he tried to summon the familiar flames of anger, yet he found himself, much like Ichigo, engulfed in an unexpected wave of astonishment. Ben had not only outmaneuvered him but had also succeeded in outsmarting the master tactician himself. Aizen's heart brimmed with a puzzling mix of respect for his opponent and disbelief at his defeat, leaving him grappling with emotions he had long thought himself beyond.

"So it is, Ben," he said with a warm smile, his eyes twinkling with a hint of mischief. "Now, finish it," he urged, his voice steady and encouraging. As he spoke, he lifted his arms, exposing himself and making himself vulnerable, inviting Ben to take the next step.

Ben swung the Banishing Blade, successfully banishing Aizen to the void. With this remarkable victory, he emerged as the champion of the tournament. However, despite their defeat, the villains Angie and Yhwach had no intention of honouring the agreement they had made. When Ben approached them, expecting them to uphold their end of the bargain, they chose instead to launch a sudden attack.

Ben pivoted to confront the assembly of nefarious figures assembled before him, the intensity in his furrowed brow reflecting the weight of the moment. "Are you ready to keep your part of the deal?" he inquired, his voice steady despite the swirling tension in the air. The leaders of the group exchanged furtive glances, their eyes revealing a web of unspoken understandings and hidden agendas.