As Ryuko and Katsuki Bakugo faced off, the tension in the arena was palpable. They were both determined to be named the No. 1 hero, but only one could emerge victorious. Ryuko pressed forward, her red sword Killa held tightly in her hand. She was quick and agile, moving toward Bakugo with lightning speed. Bakugo was equally quick, but his movements were fueled by his quirk, causing mini-explosions with each step he took. As soon as Killa and Grenade Bracer collided, there was a loud, metal clang. Despite the clash of weapons, neither combatant was able to score a hit on the other. Ryuko backed off, her eyes fixed on Bakugo, her mind calculating the best course of action. She knew that Bakugo's quirk was powerful, but she also knew that she was just as deadly with Killa. She focused her mind and launched into her Rampant Blade technique. Bakugo dodged the first attack easily, but Ryuko was relentless. She spun and slashed in a dizzying array of movement, attacking from all angles. Bakugo was forced to retreat, but he wasn't giving up. Bakugo gathered a ball of energy in his hand and launched it towards Ryuko. She managed to dodge it, but it hit the ground and exploded, sending a wave of heat and force towards her. Ryuko jumped into the air, evading the worst of the blast, but she was still knocked back by the impact. As Ryuko regained her footing, Bakugo charged towards her in a burst of energy. He unleashed his Howitzer Impact technique, creating a massive whirlwind of flame around him. Ryuko tried to block the attack with Killa, but she was pushed back by the force of the blast. Ryuko knew she needed to come up with a plan, and fast. She took a deep breath and summoned Senketsu, her mech-like clothing that granted her extra power and speed. With Senketsu on her side, she was able to dodge Bakugo's attacks more easily and land a few blows of her own. With her guard up, Ryuko managed to deflect Bakugo's Point-Blank Stun Grenade. It exploded harmlessly in front of her, leaving her unscathed. Ryuko's attack, however, hit its mark. She landed a powerful blow on Bakugo's arm, sending him staggering back. But Bakugo was nothing if not resilient. He countered with a wave of explosive energy, launching Ryuko into the air. She tried to regain her balance, but Bakugo was on her before she could move. He unleashed his AP Shot, a powerful beam of explosive energy that sent Ryuko flying backwards. But Ryuko refused to give up. With Fanning Blade, she launched a fierce counter-attack. Bakugo was caught off guard by the sudden onslaught, and he was barely able to dodge her strikes and return his attacks in kind. Despite Bakugo's best efforts, he was unable to gain the upper hand. Ryuko's sword strikes were too fast and too powerful, pushing him back again and again. Ryuko managed to land another powerful blow on Bakugo, causing him to double over in pain. It looked like Ryuko was going to emerge as the victor. But Bakugo wasn't done yet. With a sudden burst of energy, he launched himself towards Ryuko, armed with a new technique. He unleashed his AP Shot: Auto-Cannon, a rapid-fire version of his previous attack that sent a barrage of explosive energy toward Ryuko. Ryuko tried to dodge, to fight back, but she was no match for Bakugo's relentless assault. She was sent tumbling across the ground, her body battered and bruised by the force of the explosions. As the dust cleared, Bakugo stood victorious. He sneered at Ryuko, who lay crumpled on the ground, battered and defeated. He had emerged as the No. 1 hero, and he had done it by crushing his opponent with overwhelming power and force. Winner: Katsuki Bakugo In the end, Bakugo's quirk proved to be too powerful for Ryuko to handle. While she was quick and agile, her sword strikes could not match the sheer force and explosive energy of his attacks. Bakugo's relentless assault left Ryuko battered and beaten, unable to fight back. In the end, Bakugo proved himself to be the superior fighter, leaving Ryuko defeated and broken.