"Th-this doesn't seem to be a rock?"
Sun Minjie stammered.
"If it's not a rock, what else could it be?" Nikita curled her lip dismissively. Mimicking Sun Minjie, she bent her fingers and rapped her knuckles against the giant stone's surface, joking, "What, is it a watermelon?"
But soon after, as her knuckles struck down, the smile on her face froze.
It really didn't seem to be a rock?
If it were stone, rapping it with one's knuckles could never produce such a faint thump-thump sound.
It was hollow inside?
And it seemed there was quite a lot of space within!
"Suka... Guangguai, what the hell did future you put here?"
"This isn't a rock at all. It looks more like some kind of bunker..."
"I probably wouldn't leave something dangerous behind to screw myself over... How about we try digging it out and taking a look?" Most of Lu Li's body had already burrowed underground. He seemed to have found a point of leverage and was trying to lift the white boulder.
"Move back, all of you. I'm about to exert myself."
Hearing this, everyone immediately retreated from the mound.
Lu Li let out a roar, and the white boulder burst out of the earth with a bang. It flew four or five meters into the air before slamming down onto a patch of flat ground nearby with a heavy thud.
Once everyone saw the boulder's full appearance, their pupils contracted sharply!
That shape, that form—
It really wasn't a rock.
It was an enormous skull!
"What a huge skull..." Nikita was still the first to speak, crying out in shock.
Pan Xiaoxiao knitted her brows tightly and immediately scanned the surroundings, murmuring, "There was actually a creature this enormous on this planet? There aren't any signs or traces