Heavenly Materials and Earthly Treasures Piled High as Mountains, the Miraculous Spirit Devouring Rat

"Hm? Such dense spiritual power fluctuations... What exactly did this fellow eat?"

Staring fixedly at the Spirit Devouring Rat's round, bulging belly, Su Shi'er raised his brows, which then unconsciously furrowed.

The Spirit Devouring Rat's cultivation was not high, only at the peak of the late Second Grade, equivalent to a cultivator at the peak of the late Foundation Establishment stage. It had already reached this level when Su Shi'er last returned.

Yet the spiritual power fluctuations coming from its belly rivaled the aura of a Golden Pill Cultivator.

That aura was even slowly growing, like a volcano that could erupt at any moment.

This... was absolutely abnormal!

The thought had only just arisen in Su Shi'er's mind.

Feng Fei looked nervous as she spoke. "Master, Little Gray's condition seems wrong!"

Feng Fei could not see through the Spirit Devouring Rat's condition as thoroughly as Su Shi'er, but she had still spotted something wrong at a glance.

As for Little Gray, that was the name Feng Fei had given the Spirit Devouring Rat based on the color of its fur.

"The Spirit Devouring Rat eats any treasure it finds. Looking at it like this, it must have eaten some treasure it cannot digest."

"But all living beings should possess the instinct to seek fortune and avoid disaster."

"I'm afraid its condition is far more complicated than merely being unable to digest the treasure in its belly."

Su Shi'er nodded lightly. After affirming Feng Fei's guess, he continued his analysis.

On the ground, the Spirit Devouring Rat heard the voices, and its little eyes immediately rolled rapidly.

It kept shaking its head and waving its paws, while fluffing up its fur and letting out squeaks, seemingly trying its utmost to prove that nothing was wrong with it.

But halfway through shaking