Isabella was stunned. She was well aware of her dagger's poison—its potency could kill mutated humanoid beasts—but it had no effect on Federle before her. Could it be that he was of noble bloodline? That still didn't explain such a drastic transformation. Immediately, she launched two fire god hand grenades, hoping to inflict some damage on the enemy. Boom... boom... The explosions rang out, yet Federle moved as if unharmed, stepping out of the flames and casually brushing dust from his shoulders. "You're dead today," he said coldly, then advanced to launch an attack on Isabella. Swish... The elegant instructor flashed into view, appearing instantly within the small tripod. Upon seeing Qin Feng, her first question was: "Have you decided on a strategy to handle that one outside? He's truly formidable." "Qin Da shook his head. "I haven't quite figured it out yet. I was thinking of using a piercing projectile—however, his movements are so swift that he'll escape the danger zone before the explosion even takes place. If I try a immobilizing spell, his attack speed is simply too fast. I doubt the incantation will have time to take effect before he's already struck!" The green steel sword could leave several wounds on him, but it couldn't keep up with his rapid healing speed. Police officers stationed just one kilometer away had long since vanished—since the first explosion, they had all instinctively scattered in different directions. This area was outside the radiation zone, meaning, prior to the dirty bomb explosion; once it went off, everyone would likely perish. Without these officers providing oversight, the fighting at the hotel grew more unbridled. Thud… Qin, the young magnate, was kicked hard by Federer and landed heavily on a false mountain, his chest and breath momentarily turbulent. Before he could recover, Federer charged toward Isabella, so he immediately ordered Xiao Ding to escort them inside. Taking deep, steady breaths, the beautiful instructor approached and asked with concern, “Are you all right?” He first swallowed several pills and said, "No problem—just a few meridians with impaired qi and blood flow. Once the pills take effect, he'll be fine. That guy is absolutely incredible! Even with us working together, we still couldn't manage to beat him!" "Yes," Isabel said, looking deeply concerned. "A baron-level vampire is already so formidable. Their king, King Ferre, is even more powerful. Even if we find his stronghold, we won't be able to stand a chance against him!" Qin, frowning, added, "We absolutely need to strengthen ourselves within a short time. Otherwise, this entire journey will be for nothing—and we might even lose our lives!" The female officer, Nunu, nodded. "All that comes later. Let's focus on handling the external issues first!" "NND, let's go all out!" He returned the green steel sword to his talisman and retrieved the flying sword he had obtained from the plump Maitreya earlier. "I'm not leaving until I've severed one of his arms. I'll see if he can truly survive without them!" "The beautiful instructor nodded slightly, 'I'd also like to know—by drawing his attention directly, you'll strike from the side!' 'Good,' he didn't hesitate, as there was truly no other option. Afterward, their coordination was seamless. Seizing the opportunity, the sword slashed fiercely from above—yet Federer barely noticed, since the earlier attack had posed no real threat. He believed he should first deal with Isabella, then focus on Qin Feng, so he paid no attention, concentrating fully on the opponent before him. Crack… snap… His right arm was nearly severed at the shoulder, followed by a flash of lightning. Federer was thrown several meters away, his severed arm flying even farther and landing among the flowers. 'Ah!' he cried out in a sharp, painful voice, clutching his wound with the remaining hand, his two wings now splattered with blood. 'Qin Feng, take care of his severed arm.' "Isabella shouted—ordinary people could reattach severed limbs through certain means, let alone the physically robust vampires. "Understood," he replied, launching a splintering projectile. "No…," Federle rushed toward the severed arm, but he still arrived too late. The splintering projectile exploded thirty centimeters away from the arm, and a high-temperature metal jet surged forth, instantly reducing it to ash. Federle charged straight into the blast, yet it was all in vain. "By the gods, I'm going to tear you all to pieces!" His body soared skyward, furious beyond measure. Qin, the young lord, deemed it necessary to avoid the onslaught, and together with the female instructor, he retreated once more into the small tripod for safety. Outside, Federle, now without a target, plunged into a state of frenzy, and the surrounding buildings collapsed under the force of his remaining fist. The two watched the images transmitted back from the tripod, and both began to chew on their lips. Isabella said, "Little Feng, I think that fellow outside will pursue you all the way to the ends of the earth just to kill you and vent his rage!" "I agree," he replied with a wry smile. "But during his pursuit, I'll manage to kill him. By the way, Sasha, in this situation, could his severed arm regenerate?" The beautiful instructor thought for a moment and said, "As long as a suitable arm is found and transplanted, it's possible. However, the new arm will take a long time to adapt, and it will become his vulnerability." He smiled. "So, after he goes berserk, he'll return to his base and have a new arm fitted for himself!" "Theoretically, yes. The vampire race differs from ordinary humans—the transplantation process must be carried out by a more advanced vampire." Isabella sensed his thoughts. Qin Da beamed with delight and thumped his thigh: "That's great! Then we can quietly follow them from behind and soon find the old stronghold of King Fei Li. After that, we'll adjust our next steps based on what unfolds!" "Excellent idea," the beautiful instructor nodded with approval.