Doomsday: with unlimited warehouse system

With that, Fatso paid no attention to the buzzing sound in his ears and rushed towards the sixth floor with the heavy machine gun in his arms. Arnold and the others twitched the corners of their mouths, exchanging glances with each other.

David was left laughing and crying by Fatso's antics, following closely behind him as they arrived on the sixth floor. The situation on the sixth floor was similar to the fifth floor. Wave after wave of zombies were all mowed down by Fatso, who took the lead with the heavy machine gun.

And so, they continued to ascend to the ninth floor. Although they encountered several high-level zombies along the way, they were no match for the heavy machine gun and Fatso's madness. Before these high-level zombies could even get a clear view of them, they became souls under Fatso's control.

"Well, I must admit, this guy is truly having a blast!" Fatso said while taking the time to reload the heavy machine gun. David looked at the floor littered with bullet casings and glanced at Fatso. He swore to himself that he would never give Fatso any chance to touch a gun again. Otherwise, he was afraid that this guy might go on a killing spree and rain bullets on everyone.

But for now, they had to rely on Fatso to charge ahead, so David let him continue holding the heavy machine gun. The group looked at the tenth floor and listened to the eerie sounds coming from above.

"Fatso, try to calm down a bit. The casings are jumping into my neck when you fire!" Duke raised one hand to touch his red-hot neck and helplessly said. He was closest to Fatso, and once Fatso started firing, he couldn't stop. That left him with no time to avoid the bullet casings, making him look like a bullet casings container.

Fatso focused on the staircase before him, straightening his grip on the heavy machine gun and nodding. "Don't worry, none of them will escape. I'll surround them and kill them all!"

Hearing Fatso's words, Duke quickly took a step back, twitching the corners of his mouth as he looked at the excited Fatso. Just then, Fatso leaped towards the tenth floor.

"Charge! Charge! Charge!" Fatso continued his fierce momentum and led the way by rushing ahead. The others could only shake their heads helplessly and follow Fatso to the tenth floor. Upon reaching the tenth floor, they found it to be especially quiet, unlike the previous few floors. There were no zombies, not even a trace of an eerie wind. Sunlight shone through the windows on one side, giving them the feeling that this floor might not be where the ghost zombie was hiding.

"Why is it so quiet?" Sally looked around and said.

Fatso held the heavy machine gun, staring at the empty corridor, becoming unhappy in an instant. He had thought he could continue the bullet frenzy, but unexpectedly, there was no one around.

Meanwhile, David quietly spoke up, "Something feels off. When things are abnormal, there's bound to be something strange. The ghost zombie must be on this floor. Be cautious, it could be a trap."

Everyone nodded and started moving forward carefully. The rooms on this floor were just like the ones on the other floors, doors slightly ajar, and various things scattered all over the floor. They checked carefully, not leaving any corner unexamined. At this moment, a scornful laughter suddenly echoed from the end of the corridor.

"Hehehe... I never thought you would actually make it to the tenth floor. It seems I underestimated you." David turned around, following the voice, and saw the figure of the ghost zombie emerging from the darkness. He stood with his hands behind his back, walking slowly out of the shadows. Sunlight that touched him disappeared instantly, as if he was a black hole capable of absorbing all light from any time and place. With his appearance, the chilling wind howled through the corridor again, even more fiercely than before, cutting against their faces like knives.

David relied on the golden defense layer on his body to withstand the attack and straightened his posture. The other members tightly clung to the nearby wall corners.

"But what does that matter?" The ghost zombie raised his head, playfully looking at David with his pair of black eyes.

"I told you, this is my territory. Once you enter here, no one can leave alive. The same goes for all of you. Hahaha!" The ghost zombie said, suddenly bursting into loud laughter.

"Get lost! I'm giving you a burst!" Fatso stared at the ghost zombie, without hesitation, he pulled the trigger.  The bullets from the heavy machine gun poured out once again, flying towards the ghost zombie. However, just before they touched his body, a sudden Yin wind emanated from him, tightly enveloping him. The bullets entered this Yin wind and disappeared without a trace, not even making a sound.

"What the heck!" Fatso stopped pulling the trigger, staring at the ghost zombie in astonishment. David immediately realized that firearms were ineffective against the ghost zombie. The only thing that could defeat him was an ability-based attack.

The ghost zombie disdainfully glanced at Fatso and sneered: "waste!"

As soon as he spoke, the ghost zombie slowly raised his right hand, and a faint soul villain figure suddenly appeared in his palm. The soul villain figure seemed restless, wildly twisting its body the moment it appeared.

"I said you would all die. Now, taste the feeling of being slaughtered!" The ghost zombie finished speaking and gently waved his right hand. The soul villain figure leaped to the ground and rapidly expanded, becoming the size of a full-grown adult in the blink of an eye.

David stared at soul villain figure closely, but couldn't make out its face; even its entire body seemed like an ethereal breeze. However, the aura it emitted was extremely cold and fierce. It seemed that the soul villain figure had finally broken free from the control of the ghost zombie and made grinding teeth sounds towards David's direction. In the next second, it swiftly charged toward David, the ear-piercing sound of its teeth getting clearer and clearer.

"Charles, now's the time!" David shouted loudly to Charles!

Charles was already prepared. His whole body floated in mid-air, with a string of stars faintly visible behind him. A crisp sound came from the surroundings as Charles immediately broke the domain set up by the ghost zombie. Sensing the power flowing within him, David promptly summoned the Space Blade. The others activated their own abilities as well, all keeping a close eye on the soul villain figure. The soul villain figure got closer and closer to David, and Arnold took the lead, launching a wolf attack and charging towards it.

Arnold tore with his wolf claw, leaving a mark on the soul villain figure's body. It slowed down a bit, but its body was formed of Yin wind, so Arnold's attack had no effect on it. The soul villain figure raised its hand and fiercely slammed toward Arnold's chest.

Arnold dodged just in time, narrowly avoiding the attack. Watching the battle between the two, David knew that they had encountered a formidable opponent this time.