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In the blink of an eye, two hours passed quietly. One hundred and twenty-eight crystal cores had been purified by Alex, leaving only the last one.

Alex stared at that last crystal core, contemplating for a long time before gritting his teeth and saying, "Let's do this!"

He couldn't think of any other solution. The only way was to purify this crystal core.

After all, the system told him that this crystal core was meant for zombies, and since he was a superhuman, he should be able to purify it.

Alex took a deep breath, gripped the dagger in his hand tightly, and without hesitation, aimed the blade at the crystal core.

"Slash!"

The sharp dagger instantly sliced through the surface of the crystal core, causing blood to spray out.

Alex closed his eyes, waiting for the crystal core to shatter completely and then merge with him.

But at that moment, the previously calm ground suddenly began to tremble.