Compared to Sylvia, Leo had a clearer grasp of what was going on in the ruins, even better than those involved.

From the moment he discovered that something was wrong, Leo's spiritual web had shrouded the entire ruins in it, carefully observing everything that had changed here.

Although there were sometimes things in his psychic network that he couldn't perceive, such as the sudden appearance of mist, what happened to those scholars was still in his control.

From the moment the mist appeared, the twisted symbols on the ruins wall and the patterns similar to Turing roots began to produce energy fluctuations, these energy fluctuations were not strong, but they were very strange and extremely infectious, and Leo's spiritual network perceived them at the same time, they also infected Leo through the spiritual network.

It's just that the spiritual infection generated by these energy fluctuations not to mention affecting Leo's mind, even the protection formed by those divine imprints cannot be penetrated, and they are finally absorbed by the pattern on Leo's back representing the imprint of the night god, just like when he absorbed those mist in the fog outside the lake town, which also made him more sure of the origin of these fogs.

A sixth-level psionic like Leo is so far away, and they will still be infected by this energy, and those scholars who are close to the ruins naturally can't escape the fate of being infected by energy, and not only are their spirits infected, but even their bodies are mutated under the action of those energies and the surrounding fog, turning into twisted and vicious monsters.

The rapid mutation of the body will inevitably consume a lot of energy, and it cannot be from the outside community, but can only consume the energy of these mutants themselves, so when the mutants complete the mutation, the first thing they think of is to replenish energy, and the best way to replenish energy is food.

These monsters mutate at the same time, apparently the first thing they lose is their intelligence, they only have the instinct of creatures, and the strong hunger drives them to attack the other monsters closest to them, the weakest mutant is first eaten by the powerful mutant, and then another weak mutant is besieged and eaten, and repeats until the remaining mutants feel that the other party's strength is no less than their own, and then they start to put the target elsewhere, such as the person who stands on the plank road without mutation.

Under the monitoring of Leo's spirit network, there were several mutants with more than a dozen limbs and elongated bodies, like centipedes, as if they were on flat ground, and their bodies were clinging to the ninety-degree wall, quickly climbing onto the plank road, and then pounced on the panicked ordinary person who was nearest.

The same scene was going on in the rest of the boardwalk, and the scholars didn't even have the strength to fight back, and could only let out a scream as they were thrown to the ground by the monster.

At the same time, several mutants spotted Leo and Sylvia, and they rushed towards them quickly, both of them with their teeth wide as if they wanted to devour Leo all in one gulp.

In the face of the rushing mutants, Leo was about to pull out the king and queen and deal with them, but Sylvia moved faster than him, and directly raised his crossbow and shot several arrows at the heads of the rushing mutants.

Although the crossbow looked light and powerless, and the only advantage seemed to be the repeating magazine, the arrows fired from the crossbow were actually no slower than the bullets fired from the queen, and when it hit the target, a powerful blast of force poured out of the arrows, directly tearing apart everything within a radius of nearly twenty centimeters around the wound.

This caused the heads of these mutants to disappear in an instant, along with part of their necks and shoulders, and their corpses fell heavily to the ground, blood splattered from the wounds, instantly filling the surroundings with bloody gas.

The strong bloody aura naturally attracted those mutants who were still very hungry, and this attraction was so great that they let go of the ordinary people who were about to come to their mouths, and quickly rushed towards the corner where Leo and Sylvia were.

In fact, it is not difficult to speculate on the reason, the flesh and blood of mutants contain far more energy than the flesh and blood of ordinary people, and there are also substances in the flesh and blood of mutants that can make these mutants mutate further, and the body of the powerful mutant who has just devoured other mutants undergoes a secondary mutation, not only becoming more hideous and the body size has become larger.

However, in the face of the menacing horde of mutants, Sylvia was very calm, signaling Leo not to move, following her as if she was playing a target shooting game, quickly pulling the trigger of the crossbow towards the heads of those monsters, each arrow can easily take away the life of a monster, these monsters that are extremely deadly to others, but they are as weak as lambs in front of her, she doesn't even need to use her hands closely, she has already wiped out these monsters with the crossbow alone.

Just as Sylvia aimed her crossbow at the last living mutant below, Leo reached out to stop her attack, saying, "Wait, let's see what it can mutate into eventually." ”

Sylvia nodded, put down the crossbow, and then watched the mutant below completely ignore the danger from above, devouring the corpses of the same kind with all his heart, and suddenly felt a little disgusted in his heart, so he turned his head, did not look at the mutant monster again, and said to Leo: "These monsters are not much stronger than ordinary people, except for a little more strength, a little stronger body, and a little hideous appearance." ”

"Disappointed?" Leo looked at Sylvia, who had a bored face.

Sylvia nodded, dismantled the arrow box under the crossbow, replaced it with a new one, and said: "There is indeed a point, this kind of battle is not as fierce as in the morning, and I also want to test the bottom line of the strength of the body now." After changing the arrow box, she hung the crossbow back on her waist, then waved the staff sword in her hand, and said, "I knew that I would have used the staff sword in melee combat just now." ”

"You can try it later. Leo pointed to the mutant below who was rapidly mutating after devouring the corpses of his kind.

I saw that the mutant was eating faster and faster, its mouth became a mouthpart that was easy to swallow in order to eat quickly, and its body was also elongated to accommodate food, and a layer of scales grew on the surface of its body, and it even emitted a metallic luster under the illumination of light, and a large number of tentacles stretched out from the surface of its body, looking like hair, but if you look closely, you will find that each tentacle is a vacuum straw, if it is pierced into the prey, it can instantly drain the blood from the prey.

Seeing the mutant who had changed into this form, Sylvia's expression became a little solemn, and regardless of the disgust of the disgusting scene below, she watched the mutant process in front of her, and quickly thought about how she would fight in the face of such a mutant.

Compared to Sylvia's ability to judge the mutant by only observing the changes in the mutant on the outside, Leo penetrated into the mutant's body through the spiritual network and observed the rapid mutation of the mutant's body at a deeper level.

He found that as the more mutant corpses were eaten, the organs in the mutant's body also decreased rapidly, and the functions of the organs also quickly merged, and then it seemed that only one stomach remained, and even the brain was integrated with the stomach, and in its stomach there was also a condensed energy block with this extremely strong energy fluctuation.

When the last mutant corpse was devoured, the mutant's body mutation gradually slowed down and eventually stopped, and its appearance was completely unrelated to humans, looking like a worm with tentacles, metal horns, and huge mouthparts.

As the corpse was digested in its only organ, its devourers turned on Leo and Sylvia, who were watching above it.

I saw that the body of this mutant was like a spring, and it jumped up from the ground, and its body seemed to lose its weight and flew into the air, and its huge mouthparts opened like blooming flowers, and its mouthparts were full of teeth as sharp as sharp blades, and tentacles rushed out of its mouthparts, surrounding Leo and Sylvia, as if trying to bind them and drag them into their mouths.

In the face of the mutant's attack, Leo still stood motionless, he seemed to have absolute trust in Sylvia's power, and Sylvia did not live up to his trust, a powerful force poured out of her body, turning into an invisible big hand that easily pinched the mutant in the air, and at the same time, Sylvia's staff and sword also seemed to be swung out at will.

A sword light flashed, and the seemingly powerful mutant split from the middle, broke into two sections, and fell to the ground.

Sylvia withdrew the sword back into its scabbard, returning to the shape of a cane, then turned to Leo and raised her head triumphantly.

Leo was not surprised that Sylvia was able to take out the mutant, because although the mutant had condensed an energy block in its body, it still relied on its physical instinct to fight, and was only a powerful beast at best.

What really surprised Leo was the staff sword in Sylvia's hand, because in his opinion, the power of this staff sword was almost comparable to the particle frequency knife, which was an important weapon used by the starship marines to cut through the ship's armor and attack the ship's interior.

However, although Leo was curious about the origin of the staff sword, and even more curious about the structure of the staff sword, he still resisted his curiosity and did not ask Sylvia for the staff sword to study, even though he knew that if he spoke, Sylvia would not refuse.

Leo turned his attention back to the corpse below, only to see that he used his psionic energy to find the power block from the mutant's corpse and ingest it.

Sylvia only saw Leo reach out and make a grabbing gesture towards the mutant corpse, and an incomparably beautiful gem emerged from the pile of ugly, disgusting corpses and flew into Leo's hand, hovering above the palm of his hand.

"What is this?" asked Sylvia, curious.

Leo replied truthfully, "An energy block, and a very stable energy block. ”

"What's the use?" asked Sylvia again.

This question made Leo stunned for a moment, if it was in the Earth Federation, Leo would be able to name tens of thousands of ways to use this energy block, but here, in this Velen world, the energy block seems to have no other use except as a gem.

"No, since it evolved this thing, this thing must be useful to it. Leo's gaze fell on the corpse of the mutant below, and a guess was born in his mind, and he told Sylvia about it.

Sylvia also said with some regret: "It seems that I should be lighter, let this guy live for a while, and use all the power in his body, right!"

At this time, the fog in the ruins below suddenly began to lighten, and then dissipated at a very fast speed, and it didn't take long for the fog to completely dissipate, leaving only a mess.

As soon as the fog cleared, the walls around the cavern returned to their original state, and the entrances and exits reappeared, as if everything had just been an illusion.

In addition to Leo and Sylvia, there are still a few lucky scholars alive in the entire cave, but their situation is not very optimistic, and it is not known whether they were frightened by the mutants or for other reasons, all of them are stupid and crazy.

"It's a shame to know that the scholars who died were almost all the best archaeologists in the kingdom of Mares. Sylvia suddenly sighed, then quickly returned to normal, and asked Leo, "What are we going to do next?"

"Find out why the fog is coming. Leo immediately replied, "That's where the exit from the ring passage is." ”

With that, he jumped off the plank path, stepped on the blood and water, and walked towards a circular clearing in the ruins.

Sylvia originally wanted to follow, but when she saw the blood, internal organs, and other messes on the ground, she stopped jumping and walked along the plank path of the wall for a certain distance before jumping into the ruins and following.

By the time Sylvia caught up with Leo, Leo was already standing in the circular clearing, which wasn't very large, and it wasn't supposed to be a rest plaza or something.

There were a large number of square stones on the ground of the clearing, and all the stones had some patterns and symbols on them, but due to aging and wind erosion, most of the patterns and symbols on the stone slabs were very blurred and could not be recognized.

The reason why Leo chose to investigate this place was mainly because his vision just now was to see that the fog here was the first to dissipate, and according to common sense, it was likely that it was the first place where the fog appeared, that is, where the entrance and exit of the passage were.

It's just that Leo's spiritual network scanned this place over and over again, and even went deeper than ten meters underground, but it didn't find anything abnormal, not even energy fluctuations.

But it was this state of no anomalies that made Leo more and more convinced that this was the entrance and exit of the circular passage.