As soon as they stepped onto the fourth floor, Xie Ming sensed something was wrong and quickly rushed in front of Xie Yixue and Xie Nijing to block them.

"What's wrong?"

“Our smell might not be able to hide what’s inside…” Xie Ming said, frowning.

The smell here is much worse than on the second floor; there must have been a zombie battle inside.

If that's true, then upgraded zombies are very likely to appear.

"Little brother, get out of the way, I'll protect you." Xie Nijing rushed in front of him, still trying to protect him.

Just then, a dark shadow flashed by from not far away.

"Here it comes!" Xie Ming drew his knife.

Xie Yixue then swung out her retractable staff, while Xie Nijing gripped her sword tightly.

"Roar~" Accompanied by a stench, a pitch-black zombie pounced on them.

Having been devoured, this zombie was covered in the dark blood of other zombies, making it impossible to recognize its original appearance.

Knowing that what lay ahead would be difficult to deal with, Xie Yixue swung her telescopic baton, which was covered with a layer of sharp metal barbs, and rushed forward first.

She moved nimbly, using both hands to grip the stick and strike at the zombie's neck.

If hit, at least a third of the zombie's head will be cut off.

Xie Ming clicked her tongue in amazement. No wonder she was the older sister who always protected her younger sister. Just a few days ago, she was hiding from the "vomiting" zombies, but now she seemed to be possessed by a war god and could fight against low-level zombies.

Unfortunately, the upgraded zombies are not the same as ordinary zombies. Their strength, agility, and speed have all undergone fundamental changes.

The zombie dodged her attack by tilting its head.

Xie Yixue missed her shot and rolled down to the open ground behind her. The zombie immediately turned around to grab her.

Xie Ming, standing nearby, conjured a ball of earth as hard as an iron lump and threw it at it.

After being hit on the head, the zombie only tilted its body slightly.

However, this short period of time was enough for Xie Yixue to avoid the zombies' clutches.

The zombie, enraged at missing its target, roared.

Instantly, zombies from all over the supermarket flocked to this area as if in a frenzy.

Fortunately, the zombies are not at level 1, so they don't have a concept of levels.

The zombies below were alright; they could only weakly raise their heads and roar towards the fourth floor.

The situation above is more complicated. After many zombies squeezed to the other side of the railing, they fell down one after another, like dumplings being dropped into a pot.

At this moment, Xie Nijing was horrified to discover that the zombies that had fallen from the upper floors to the fourth floor were all gathering in this direction. However, she still suppressed her fear and pressed herself against Xie Ming's back, saying, "You help me, I'll take care of the zombies coming from over there."

Xie Ming grabbed her arm, adding another layer of mud to her body, and said, "Be careful. If they don't attack you, try not to move. Once that big guy is dealt with, everything should be fine."

Xie Nijing knew that if she didn't do something, the three of them would be attacked from both sides once the zombies came.

So she took all the accident vehicles she had collected on her way to the supermarket and used them to build a barrier wall.

After she had isolated the surrounding zombies, she stared intently at the wall.

Xie Ming wasn't following Xie Yixue to help her; in this world, even if you leveled up a zombie to its maximum level, it wouldn't be able to defeat him. At this moment, he was more interested in protecting Xie Yixue and practicing his skills.

Xie Yixue kicked away another zombie that was about to pounce, and took a few steps back after landing. Before she could catch her breath, the energetic zombie pounced again.

"Can you change your movements?" Xie Yixue was speechless at its monotony and obsession.

She thought that so far, only her zombie brother had ever acted so selflessly towards her. When would a normal brother come along and pounce on her?

Sigh~ This old virgin who's never had sex is feeling really sad.

The zombie seemed to sense Xie Yixue's sadness and immediately changed its attack posture.

In actual combat, it seems to have begun to understand how to use its left and right hands in combination to pounce on people.

Now, even the good older sister can't let her mind wander; she's starting to update her combat techniques. If she doesn't take this seriously, she might really end up staying here and having some fun with it.

Xie Yixue pulled out a telescopic baton from her clothes (actually, her spatial storage), which was also covered with metal barbs.

Wielding two metal rods, the zombies began to lose ground under her attacks.

Xie Ming was dumbfounded; he hadn't expected these women to be so powerful.

She only possesses psychic abilities, yet she has to support a small "charity center" while raising her younger sister; one can imagine how capable she is.

At this moment, Xie Ming felt even more disgusted with that system.

At this moment, the "Holy Mother" system was also curious as to why its host was not affected at all after it released such a large amount of electricity.

Just now I could feel the host's pain from being punished, how come you're acting like nothing happened now?

It seems they'll have to increase the severity of the punishment next time.

Bai Yiyi, slowly waking up on the other side of the city: "Fuck your mother..."

When the zombie attacked her again, Xie Yixue seized the opportunity and swung her metal rod at his neck. Just as the sharp barbs were about to slice past the zombie's neck, the rod cunningly grew more than ten centimeters and severed the zombie's head in one fell swoop.

The zombie collapsed to the ground, completely bewildered, not understanding why the knife had been brought out and its neck had been slit.

After more than ten minutes of intense fighting, Xie Yixue was exhausted. She sat down on the ground with a thud, reached out and touched her face, only to find it covered in mud.

She then realized why she had been so slow earlier; it turned out that the armor her younger brother had provided was the hindrance...

"Clap clap clap~" "Roar roar roar~"

Applause and the roars of zombies rang out together on the fourth floor of the supermarket.

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