The number that appeared had already greatly surprised Li Su.
But what he had not expected was that once their numbers increased, their spiritual power actually stacked together.
It was as though they had always been one whole, and once the quantity reached a certain point, the quality rose along with it.
That was terrifying.
As long as there were enough of them, forget Li Su—even immortals would be unable to bear it.
Still shaken, he let out a breath. He raised the danger level of Wonders of Mountains and Seas by several grades in his mind and no longer dared let down his guard in the slightest.
He took a deep breath and, only after confirming that his soul had completely stabilized, began moving again.
Before long, he found another blue-grade special lifeform.
Before it could even react, Li Su not only killed it, but directly seized its spirituality as well.
Aside from spiritual attacks, blue-grade lifeforms were only about as strong as cultivators with two hundred thousand jin of strength—a far cry from Li Su.
Once he got serious, he naturally gave them no chance whatsoever.
In this way, he hunted another dozen or so. The blue substance he collected gradually increased, and a hint of azure began to emerge in the depths of his eyes.
This was a reaction that appeared after absorbing this special substance.
The more one absorbed, the more pronounced that azure became. In the end, the entire pupil would turn completely blue.
At that point, it basically meant that the blue substance his soul could bear had reached its limit. He could not continue absorbing it and needed time to let it settle, until the blue light in his eyes faded away.
The azure at the bottom of his eyes was very faint,