And there was one more point worth mentioning.
Lifespan.
Yes, lifespan.
A regular willow tree lived only for several decades, but his had reached a hundred years.
The lifespan of a red fox was usually at most ten to fifteen years, yet this red fox had reached thirty years.
"Tsk, tsk, this is true evolution—it's not just about growing stronger, but the very essence of life itself leaps forward..."
After some thought, Yu Ziyu seriously summarized.
...
The moon hung high, clear and gentle. The soft moonlight bathed the night in tranquility and peace. The moon's glow cast dappled shadows on Yu Ziyu's tree branches, scattered like broken strips hanging on the limbs.
Underneath the tall willow tree lay a fox the size of a calf, occasionally letting out a long howl, as if afraid no one knew of its presence.
"You little rascal."
Branches swept through the air, gently flicking the red fox. Yu Ziyu felt a bit helpless.
This red fox was too mischievous, frequently letting out loud howls or climbing onto his body to tease the group of fledgling falcons.
Fortunately, it was clever enough to know the eight falcons Yu Ziyu raised could not be eaten.
"Chirp chirp chirp..."
Suddenly, a chorus of chirps came from the tree.
Looking up, several falcons peeked out from their nests, warily watching the red fox beneath. One even chirped at Yu Ziyu from time to time, as if complaining about something.
"Alright, alright, I get it."
Smiling, Yu Ziyu again used his branches to lightly flick the red fox.
The red fox wasn't just bothering Yu Ziyu—it was also frightening the falcons.
Then, as if struck by an idea, Yu Ziyu suddenly paused.
If he used his essence to nourish the falcons, would they also evolve like the red fox?
As for the loss of essence, it seemed to have little effect on him.
In just over half a day, that one branch had regained most of its vitality, and even the leaves had become greener.
"This should be one of my innate abilities, like the red fox's dazzling gaze."
Realizing this, Yu Ziyu's gaze shifted to his attribute panel.
Sure enough, there was a new special ability added.
[Life Essence — A spiritual liquid nurtured within the body that can accelerate the evolution of species and even heal injuries. (However, overuse will deplete one's foundation.)]
Seeing this new line of information, Yu Ziyu smiled.
This was the benefit of the system.
As long as he became aware, the system would provide more detailed information.
Of course, if he wasn't aware, then there was nothing to do.
It was like subjective awareness.
It had always existed—just that he couldn't see it before.
Perhaps the attribute panel covered much content, but for now, Yu Ziyu could only see the parts he wanted to see.
...
"Life Essence, huh?"
Just the name alone conveyed its importance.
And it accelerated the evolution of species...
What that meant needed no further explanation.
No wonder the red fox couldn't contain its inner restlessness and came toward him.
Thinking this, Yu Ziyu broke off another branch.
"Crack!"
With a crisp sound, green liquid again oozed from the cut.
"Gak, gak..."
Amid the excited noises, the red fox suddenly grew restless beneath the tree, its eyes fixed intensely on the branch's broken tip.
There, a drop of crystal-clear liquid gleamed.
"This isn't yours."
Using other branches to gently stroke the red fox and calm it, Yu Ziyu then moved the broken branch above the bird's nest.
Though there were eight falcons, they were still fledglings.
One drop should be enough.
Pondering in his heart, Yu Ziyu was somewhat cautious.
After all, this concerned his own foundation—he wasn't willing to give too much.
...
Chirp chirp chirp chirp...
Watching the drop of green liquid that seemed about to fall, the eight falcons also seemed attracted by something, suddenly becoming excited.
One even ruffled its feathers, standing on end.
"Tsk tsk, looks like the temptation to animals isn't small at all."
Deeply sighing, Yu Ziyu felt a slight chill in his heart.
This was not good news.
If you hadn't seen pigs climb trees, had you never seen pigs run?
"Tang Monk meat" was the best example.
And the life essence he produced that could accelerate species evolution was not much different from that "Tang Monk meat."
Without even mentioning animals, Yu Ziyu had to be wary of humans.
If it could accelerate animal evolution, humans should be no exception.
If he thought this through...
Hoo...
Exhaling deeply, Yu Ziyu's heart tightened.
He had to speed up his cultivation.
At least before humans discovered this, he needed to be strong enough to dominate one area.
Otherwise, being fish meat on the chopping board was inevitable.
As for whether he could coexist peacefully with humans, Yu Ziyu didn't even consider it.
Hope wasn't something to be entrusted to others.
Moreover, even peaceful coexistence required equal status.
And facing humans' high-tech weapons—
Sorry, it wasn't just him; most of the plant and animal kingdoms were simply unqualified.
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