With a sonorous sound, the stone knife in Su Yu's hand shattered decisively, scattered into a little fluorescence, and dissipated in the dark night.

Su Yu's body turned upside down, spun upwards and rolled out, the green-haired giant rat let out a roar, and his body fell several meters again!

Su Yu's face turned cold, and he stretched out his hand to grab it in the void, and those scattered fluorescents suddenly condensed again, merging into a thick stone knife.

Su Yu held the stone knife in his hand and slammed it down hard at the green-haired giant rat, like a meteor falling, and like a moth to a fire, Su Yu didn't care about life and death, hit again and again, rose into the air again and again, and then turned down again and again!

Under the powerful shock force, Su Yu was already injured, the corners of his mouth were bloody, but there was no trace of dodge in his expression, just tirelessly and repeatedly impacting the green-haired giant rat!

In the end, with a bang, the huge body of the green-haired giant rat fell to the ground, smashing countless zombies!

Su Yu spread his wings and followed him again, staggering opposite the green-haired giant rat, opposing Cao Yan.

Su Yu seemed to be injured a lot, and he was a little reluctant to even stand.

Cao Yan stood on the back of the green-haired giant rat, with a smile and pity on his face all the time. He analyzed Su Yu's strength and came to the conclusion that Su Yu was nothing more than an alienated warrior between the fourth and fifth stars.

Cao Yan was not afraid of Su Yu, after all, perfect genes were only a starting point, and they did not represent strong combat effectiveness. What's more, the combat power of the green-haired giant rat has surpassed that of a six-star warrior, which is enough to crush any capable person in the world today.

Of course, Cao Yan still has a little fear in his heart for that mysterious Yang Shishi, but for this Su Yu, who was killed halfway, Cao Yan has no pressure at all. Because Yang Shishi once confessed, killed Su Yu, and found a way to crack Su Yu's genetic code! All the defects at the level of genetic enhancement can be easily solved, and at that time, Cao Yan can safely inject any of the most advanced genetic enhancement drugs.

The location where Su Yu and Cao Yan were located was in the center of a large circle of zombies, and then, none of the zombies dared to surround them.

Even creatures that act on instinct alone sense an extremely strong danger from the green-haired giant rat and realize that it is a behemoth that cannot be provoked.

Su Yu didn't flinch, he didn't have any scruples, he hit it again, and at the same time, the stone knife also slashed heavily on the back of the green-haired giant rat.

Su Yu's impact seemed barbaric and crazy, but the landing point of each of his knives was surprisingly consistent, and the error never exceeded 0.01 mm!

The stone knife shattered again, but this time the collision, the green-haired giant rat was no longer unharmed, it let out a sharp squeak from its mouth, and its thick body jumped violently!

Cao Yan had to stretch out his hand and gently soothe the green-haired giant rat to stop from its irritability. However, at this time, Su Yu had already flown up again!

The green-haired giant rat seemed to be enraged by Su Yu's repeated offenses, half of its body rose to its side, and a thick and sharp mouse claw quickly slashed through the air, imprinted on Su Yu's chest!

There was a click, and it was the sound of the sternum shattering. Su Yu staggered to his feet, not even glancing at his sunken chest!

Taking a deep breath, Su Yu's shattered sternum was pulled by the expansion of the chest, making a clicking and rubbing sound! The snow-white wings suddenly disappeared, and the bone blades of the whole body slowly disappeared, kneading into the body!

Su Yu's sternum was suddenly covered with a layer of white light, not only the sternum, but also where it could not be seen by the naked eye, all the bones in Su Yu's body turned white in an instant!

Stone armor included!

In this way, Su Yu's flesh and blood will not be protected, but Su Yu's bones are already extremely hard, at least not like now, the slightest confrontation with the green-haired giant rat will be broken.

The moment the stone armor was attached, Su Yu rushed up again! There are no tricks, no fancy, just savage ramming. Su Yu had this inexplicable pain of grief and indignation in his heart, perhaps only such a savage wrestling could make Su Yu slowly calm down.

Cao Yan's face finally slowly became less beautiful, and Su Yu should have collapsed long before several shocks. But he was still standing.

Su Yu looked weak and staggering, and his body was already covered with all kinds of wounds, and blood kept pouring out of the wounds, turning Su Yu into a bloody man.

However, every time Cao Yan thought that Su Yu was about to fall, Su Yu would stubbornly rush over and smear the green-haired giant rat!

In fact, the wounds on Su Yu's body have begun to heal after covering the whole body, but the old wounds heal and new wounds appear, so in Cao Yan's opinion, Su Yu's body is always covered with large and small wounds.

The only strange thing is that Su Yu's blood has never really flowed out of his body. Whenever the blood is about to drip to the ground, there will always be an invisible position that comes out of thin air, pressing the blood into Su Yu's body.

Finally, when Su Yu put his left hand into the wound on the green-haired giant rat's body, the green-haired giant rat let out an earth-shattering scream, and its body shook violently.

Cao Yan was startled, and when he looked back, he saw that Su Yu's left hand released a white luster and inserted it into the body of the green-haired giant rat.

Cao Yan frowned slightly, and the bloody body of the young man tattooed on his skull was distorted, looking more and more terrifying.

For a long time, Cao Yan didn't pay attention to Su Yu's attack, the green-haired giant rat is an adult alienated monster, with strong defense and fast recovery, even if it is injured, it will quickly become intact!

Cao Yan had never heard such a scream from a green-haired giant rat, and he knew that he couldn't look at Su Yu like a cat and mouse anymore.

Cao Yan is not a cat, and Su Yu is not a mouse!

Cao Yan stood up, the gold and silver threads on the big red silk robe shook violently, and correspondingly, the bloody young man's corpse on Cao Yan's shiny head also began to squirm!

The bald-headed and barefooted Cao Yan suddenly flew up from the green-haired giant rat, and a burst of brilliance flashed by, and four purple-blue arc balls suddenly appeared around Cao Yan's body, making a crackling sound!

A powerful aura of destruction suddenly rose from Cao Yan's body, enveloping Su Yu.

Cao Yan's strange ability is actually the surname of thunder and lightning!

There was no doubt about the powerful destruction of thunder and lightning, but Su Yu didn't glance at Cao Yan at all, his whole mind was focused on the green-haired giant rat.

After killing which green-haired zombies, Su Yu had evolved to the four-star level. At this time, an endless stream of genetic evolution points were being transformed from the green-haired giant rat and entered into Su Yu's cells.

Ignored by Su Yu, a flush rose on Cao Yan's face, and he let out a loud shout, and four huge purple-blue arc balls suddenly converged at one point, merging into one.

Cao Yan stretched out a finger and pointed at Su Yu, the purple-blue arc ball spun rapidly in the void, and then disappeared in an instant, and when it reappeared, it had already reached Su Yu's heart!

At this moment, the scream of the green-haired giant rat suddenly became sharp!