Doomsday: with unlimited warehouse system

In less than a second, more than a dozen zombie heads thudded to the ground. Cola was standing by Sally's feet, licking its lips. If it weren't for the bloodstains on Cola's claws, Sally would have seriously doubted whether the zombie heads at the door had actually fallen by themselves.

"Cola is so fast!" Sally exclaimed in her mind. Taking advantage of the zombies' lack of mobility, Sally quickly supported David and walked to Arnold's door across the hall.

Thud, thud, thud. "Sister Sophie, it's me, Sally," Sally knocked on the door while suppressing her voice. At this moment, Sally's footsteps were all on zombie corpses, and the floor was covered in bloody footprints.

A voice came from inside the room, and after a few seconds, Arnold, wearing armor and holding a long knife, opened the door. When Arnold saw Sally supporting David, his eyes lit up, and he quickly opened the door wider.

"Sally, come in." After the door was fully open, Arnold finally saw the trail of zombie corpses in the corridor. Could it be that Sally had killed all these zombies? That was too impressive!

Arnold, with a shocked expression, was about to close the door when a dark figure quickly darted inside.

"What the hell!" Arnold was startled and took a closer look. It turned out to be Blackie. He patted his chest while closing the door.

Sally carefully placed David on the sofa. David's forehead was covered in sweat from the pain, and Sally felt sorry for him. She quickly grabbed a tissue and gently wiped the sweat off his forehead.

"What happened to David?" Arnold approached and asked with concern. Looking at the dense sweat on David's forehead, Arnold thought of the terrifying scene outside the door and curiously asked, "Sally, did you do all those zombies outside?"

As he spoke, Coke, lying on the ground, twitched its ears. Sally continued wiping the sweat off David's forehead and answered Arnold's question. "It wasn't me, it was Cola."

"Cola?" Arnold looked suspiciously at Cola lying on the ground. Since when did Cola have this kind of ability? Just as he was puzzled, David, lying on the sofa, slowly opened his eyes. The moment he opened his eyes, David felt a wave of headache.

"David!" Sally helped David up, shouting his name excitedly. David glanced at Sally and then looked around. This was his home, right? Thinking of that, the scene of fighting zombies just now flashed in his mind.

The system has been upgraded. David's eyes lit up, and he called out the system.

[Ding! ]

[System upgrade is 10% complete. Please wait patiently.]

Only ten percent left? David was stunned. But the pain in his body had completely disappeared, and he could even feel the changes within himself. Especially in terms of physical fitness, he had become even stronger. David stood up from the sofa and nodded lightly at Arnold and the others. "Don't worry, I'm fine now."

Arnold breathed a sigh of relief. "That's good. I thought something happened to you."

David was about to speak when the system's voice suddenly sounded.

[Ding! ]I think you should take a look at

[System upgrade complete! ]

[Congratulations, the system has been upgraded to Level 3.]

[Newly developed feature one: Automatically identify the attributes of acquired items.]

[Newly developed feature two: Can have a tenfold critical strike outside of mission states, but cannot overlap with mission critical strikes.]

[Newly developed feature three: To be discovered.]

Identify the attributes of acquired items? That's really good. David didn't know much about supernatural abilities, so this feature was important to him. But as he read the next two features, his face darkened. These two features were rather useless, and David felt like he was being fooled.

Especially feature three, which was labeled as "to be discovered." David silently withdrew his attention from the system and turned to Sally in front of him. "Let's go back and take a look."

Sally nodded and thanked Arnold before following David out of the door and returning to Sally's home. David's face darkened as he looked at the shattered window with a large hole. It was no longer suitable to stay in this house.

David turned his gaze to the zombie corpses on the ground. He couldn't figure out how this particular zombie had discovered that someone was living in this room. After contemplating for a while and unable to come up with an answer, he could only shake his head and start tidying up the room.

"We can't stay in this room anymore. We need to find another one," David said as he tidied up. Sally nodded and joined in the cleaning. It was easy to clean up the room; as long as David had a slight thought, he could store everything in his own space.

Sally watched as David finished cleaning the room in less than half an hour. "You cleaned up so quickly," she said in astonishment, holding her suitcase.

David nodded lightly and gently touched Sally's suitcase with his hand. With a gentle thought, her suitcase was instantly stored in his space.

[Detected...]

Before the system's prompt could finish, David directly dismissed its option. "Let's go." David reached out his hand and grabbed Sally's hand, surprising her. They walked towards the door. He chose a location not too far away, where an elderly couple had planned to stay. When they arrived at the door, it was closed but not locked.

David pushed lightly, and the door opened. He quickly checked and found that the lock on the door was intact. It seemed that this elderly couple had opened the door and run out in fear during the zombie outbreak.

After the two entered, they locked the door. The room was neatly arranged, as if it was regularly cleaned. On the cabinet, there were the elderly couple's wedding clothes, and beside them, there was a household register. David picked up the household register and found that the couple had a son named Charles. It seemed like quite an artistic name.

In the previous life, before the zombie outbreak, this elderly couple had taken care of David. David paid attention to their affairs, but he never knew they had a son. After all, David had never seen their son visit them. David put the household register back, took out the luggage from his space, and placed them in their usual positions.

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