Reyan City, a certain mountain forest in the north.

    The once desolate mountain forest was now heavily sealed off by fully armed troops, with no unauthorized entry allowed.

    In a cave deep in the forest, Su Nan’s figure slowly appeared.

    To avoid trouble, he did not inform the Reyan City Lord and arrived here silently, not alerting anyone along the way.

    The cave was dimly lit, and silent, only the sound of light footsteps echoed.

    After passing through the cave, a desolate hillside suddenly came into view.

    Su Nan activated the levitation spell on his robe, his whole body floated up and flew towards the location of the Sword Crystal Dragon according to the intelligence.

    Along the way, Su Nan looked around.

    As the intelligence said, there were dragon-like footprints everywhere.

    In some places, the footprints were densely packed, overlapping and intertwined, leaving many traces of beasts attacking. It could be imagined that there had been fierce battles between dragon-like species here.

    “So many different dragon-like species, it’s very likely that they ran out of somewhere.”

    “If I’m not mistaken, there should be an ecosystem garden for dragon-like species nearby.”

    An ecosystem garden refers to a large-scale breeding area.

    Some powerful wizards would establish a super-large protective barrier, then transform it into a stable and complete ecological environment that can self-cycle to cultivate specific species.

    These species are often rare and precious species that are hard to find in the outside world.

    Therefore, ecosystem gardens are often called species breeding fields or super-large breeding bases.

    It’s worth mentioning that ecosystem gardens are usually closed half-dimensional spaces, isolated from the material world, only those who possess the key or opening password can enter.

    Su Nan guessed that there might be an ecosystem garden dedicated to breeding dragon-like species nearby, but this ecosystem garden had some kind of flaw, leading to its connection to the material world, and many dragon-like species ran out.

    Only then could it be explained why there were so many different species of dragon-like species in this area, even though it was not a diverse environment suitable for many dragon-like species to coexist.

    “An ecosystem garden for breeding dragon-like species?”

    “If it’s true, then it’s really a grand project!”

    The cost of building an ecosystem garden is not much less than a wizard tower.

    Especially an ecosystem garden for breeding dragon-like species, the cost is even more astronomical!

    It’s comparable to a medium-sized or large wizard tower!

    Even a formal wizard would rarely have such a grand project.

    As he pondered, Su Nan had already reached the place where the Sword Crystal Dragon was.

    He was about to search for the Sword Crystal Dragon’s whereabouts when a roar suddenly came from ahead.

    The next moment, a giant beast resembling a lizard with fire-red crystals covering its spine walked out from behind the mountain wall.

    The length of this giant beast was estimated to be around twelve meters, five meters tall, with thick and powerful limbs, a tail with sharp barbs, and red crystals on its spine like swords standing upright, and sparks could be seen flowing between the crystals when they collided.

    “Sword Crystal Dragon!”

    Su Nan raised his eyebrows, this saved him the trouble of searching.

    “Roar!”

    Seeing Su Nan, the Sword Crystal Dragon roared, and without a word, it lunged towards him.

    Its massive body like a mountain brought with it a violent gust of wind, the whistling sound was low and rumbling like thunder, the oppressive feeling was enough to make those with weaker strength collapse on the spot, losing the strength to resist.

    “Although it’s very weak, a hint of Dragon Majesty has already been born.”

    “This Sword Crystal Dragon should have a high bloodline concentration.”

    Discovering a high-level dragon-like species, Su Nan’s face showed a hint of pleasure.

    The Sword Crystal Dragon had no idea of the threat posed by the person in front of it. When it rushed close, it suddenly opened its bloody mouth, sparks flashed between its teeth, and the next second, a flame with a sulfurous odor burst out.

    Boom!

    The surging wave of flames engulfed Su Nan’s body!

    The Sword Crystal Dragon roared excitedly, but then it froze.

    Because after the flames dissipated, there was no sign of Su Nan on the spot, only a patch of blackness.

    Just then, a sharp whistling sound came from behind.

    Swoosh swoosh swoosh!

    Countless silver spikes suddenly swept in, sweeping over the Sword Crystal Dragon like a flood.

    This second-ring legendary dragon-like species could only let out a short cry of pain before it exploded into a shower of blood all over its body, falling to the ground with a bang.

    The dense silver spikes returned to Su Nan’s body.

    Looking at the Sword Crystal Dragon on the ground, which was dying and had lost the strength to resist, a smile spread across Su Nan’s lips.

    But Su Nan is different, he has magic stones!

    It would be no big deal to create more magic stones, it would always be able to support the operation of the ecosystem garden.

    After all, the cost of his creating magic stones is extremely low.

    As long as he can find a way to control this ecosystem garden, he will have a breeding base that can produce an endless stream of rare materials.

    This is more useful than opening up a hundred magic plant gardens and raising dozens of dragon-like species!

    “But speaking of which, the wizard who could build such an ecosystem garden must be extremely powerful, it must be one of those wizards from a thousand years ago.”

    “But if that’s the case, why didn’t the builder relocate the ecosystem garden?”

    “It couldn’t be that he was kind enough to leave it to later generations, could it?”

    Su Nan was amused by his own guess, no matter how kind a wizard was, he wouldn’t be so extravagant.

    That’s a whole ecosystem garden!

    He was more inclined to think that the builder had already died before the wizard’s expedition, which is why the ecosystem garden was left behind.

    But this raises new questions. Where did the energy for the ecosystem garden come from in the thousand years that it has been running?

    Is there someone else providing energy for this ecosystem garden?

    Or is there something special about the energy supply system of this ecosystem garden itself?

    There are more and more questions in his mind.

    Su Nan shook his head, no longer brooding over it. There is too little information at hand now, and he can’t deduce anything. He can wait until he explores further and gathers more information to speculate.

    For now, he should focus on collecting materials.

    In just a few hundred meters, Su Nan had already discovered no fewer than ten kinds of magic plants.

    Dragon Saliva Grass, Jade Frost Flower, Mutated Devil Vine, Golden Thorn Grass... Among them are materials for second- and third-rank potions!

    Materials that are rare in the outside world are abundant here.

    “These magic plants should have been planted at the beginning, and because of the energy of the ecosystem garden, they have been able to reproduce and survive to this day.”

    Su Nan didn’t hesitate, and harvested all the magic plants he saw along the way and stored them in his spatial ring.

    Creak! Creak!

    There were some strange sounds coming from the bushes ahead.

    Su Nan immediately stopped and looked towards the bushes with alert eyes.

    The sounds were getting more and more frequent, as if many creatures were approaching.

    Soon, a group of creatures burst out of the bushes.

    These creatures looked like tiny, long and slender miniature dinosaurs, about one meter long, with a mouth full of fine, sharp teeth, two bent fingers on their upper limbs, and much thicker lower limbs, full of power.

    “It’s the Fine Jaw Dragon.”

    Su Nan relaxed.

    Fine Jaw Dragon belongs to the small dinosaur category, a low-level dragon-like species.

    Adults only have the combat power of a beginner knight, they are not particularly strong, the only thing to be careful of is that Fine Jaw Dragon often roam in groups.

    When you see one Fine Jaw Dragon appear in front of you, don’t doubt it, there must be dozens of its brethren following behind it.

    Creak creak!

    These Fine Jaw Dragon living in the ecosystem garden seemed to have never seen a human before. When they saw Su Nan, they froze for a moment, widening their cloudy yellow eyes to curiously look at him. Then they let out excited calls and charged at him at a swift speed.

    Obviously, they treated him as some kind of strange food.

    Su Nan chuckled and fired a spell missile.

    Seven missiles instantly blew the heads of seven Fine Jaw Dragons to pieces.

    Because he was in the ecosystem garden, it was not good to capture dragon-like species alive, and the Fine Jaw Dragon was at the bottom of the low-level dragon-like species, there was not much value in capturing and raising them alive, so Su Nan was ruthless in his attack.

    In a short while, more than thirty Fine Jaw Dragons were wiped out.

    After collecting the materials simply, Su Nan activated the invisibility spell on his robe, his figure instantly disappeared.

    The priority now was to investigate the situation of the ecosystem garden, find the core of control, and not hunt dragon-like species, avoid combat if possible.

    Invisibility spell, although it can’t avoid the perception of all dragon-like species, but it is enough to deceive most of the middle and low-level dragon-like species.

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    But just as Su Nan was about to leave, he suddenly noticed that there was a very faint red light escaping from the corpses of those Fine Jaw Dragons, gathering together to form a thin beam of light, and then it flew towards the distance.

    Su Nan was stunned, then he quickly reacted and chased after it.

    But the blood-colored light was flying extremely fast, even with all his strength he couldn’t keep up. Just as he was hesitating whether to use the Higher Rune Gem, the blood-colored light had disappeared from sight.

    “What was that?”

    Su Nan stopped and looked at the blood-colored light, a look of confusion in his eyes.