Both the innate limit-breaking serum and the physical limit-breaking serum last for a long time.

In the cave, Su Lin endured the scorching heat of the air, and he didn't know how long it took.

There was no light in the cave, and it was pitch black.

The entire cave is now filled with temperatures as high as thousands of degrees Celsius. Many tenacious flowers, plants and microorganisms in the cave were burned to ashes at this temperature.

At this moment

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