High-level martial arts: Contract cashback, invincible starting from the Zerg.

In the training room of the western fortress.

Chen Feng sat cross-legged in the center of the cultivation room, with three arm-high bottles in front of him, each containing a pure white Tia energy source crystal.

These are the body-tempering resources that Yu Qian's mentor gave Chen Feng during their last phone call.

With dozens of bottles of Tia Energy Source Crystals and the assistance of the training room, the energy concentration was more than enough for Chen Feng to successfully reach the fourth level of the [Soldier Body Tempering Technique].

These energy crystals, which condense the pure energy of Tia, would be enough to make even the high-ranking officers of the entire 72nd Army envious, especially in the western front where cultivation resources are relatively scarce.

Chen Feng took a deep breath of the cold air in the training room.

The pale blue Tia energy carried a slight chill. The moment it entered Chen Feng's body, it was like ice flowing into magma. The next moment, the activated Tia energy burst forth in his scalding body, continuously strengthening and tempering Chen Feng's physical strength along his meridians.

Chen Feng frowned slightly, but his muscles tensed uncontrollably amidst the surging pain.

However, he did not stop. He simply formed hand seals and guided Tia's energy to repeatedly wash over the body's innate barriers, following the training route of the soldier's body tempering technique.

The soldier's body-forging technique is divided into eight levels. The first two levels focus on strengthening the skin and flesh. After tempering the foundation of the muscles and bones, one can obtain the Azure Dragon Armor to protect the body.

The third and fourth stages involve tempering the bones and refining the meridians, allowing Tia's energy to permeate the bone marrow and meridians, further enhancing the cultivator's physical strength, and reshaping Tia's meridians.

Once Chen Feng's Soldier Body Tempering Technique reaches the fourth level, the power of the Azure Dragon Armor he has learned will be several times greater than before, and the efficiency of his use of Tia's energy will also be greatly improved.

Outside the training room, the wind and snow were pounding against the alloy walls, producing dull thuds.

Inside the room, Chen Feng was breathing steadily as he unscrewed the second bottle of Tia Energy Source Crystal.

The pure Tia energy surged into Chen Feng's body with his breath, transforming into an even more powerful torrent that launched a final assault on the third level of the Military Body Tempering Technique's talent barrier.

Once, twice, fifteen times, thirty-two times... seventy-two times!!

When the torrent crashed into Chen Feng's physical talent barrier for the seventy-second time!

The innate barrier, which was originally as impenetrable as an iron wall, finally let out a barely perceptible "crack" sound, like a frozen river suddenly breaking open, or a mountain blocking the road suddenly rolling down with falling rocks.

Chen Feng's body trembled slightly, and a hint of coldness appeared in his slowly opened eyes.

With the help of the power of the stars in the constellation Chenxing Liu, a faint blue energy appeared under Chen Feng's skin. Chen Feng could also clearly feel that his bones were being gradually moistened and strengthened by Tia's energy, and their hardness was steadily increasing.

Tia's meridians, after being partially torn apart, regenerated at an extremely rapid pace, becoming more refined and flexible, with every inch containing explosive power.

Chen Feng's aura suddenly deepened, and his entire demeanor became more restrained, with his power hidden.

The next moment, Chen Feng clenched his fists. A series of fine cracking sounds emanated from his knuckles, and his physical grip strength increased by nearly 20% compared to before his breakthrough!

As a whirlwind slowly formed around Chen Feng, he closed his eyes and concentrated, frantically absorbing Tia's energy in the training room and circulating it at an extremely fast speed, once again launching an assault on the talent barrier of the third level of the Soldier Body Tempering Technique!

Two more hours of arduous training had passed.

The innate barrier that had stood in Chen Feng's way finally shattered, and Tia's energy instantly accelerated its influx, spreading and reshaping wildly along Chen Feng's meridians, bones, fascia, and muscle fibers...

The core significance of cultivating the Soldier Body Tempering Technique to the third level is never simply increasing the body's defensive strength, but rather reshaping the body's compatibility and utilization of Tia's energy.

Back when he was still at the combat academy in Starfish City, Chen Feng's body was like a rough clay pot, where energy was not easy to circulate and use, and there was a fixed limit to how much energy it could withstand, making it easy for it to malfunction.

The military body-strengthening technique has now reached its third level.

Chen Feng's meridians are more like a polished jade bottle, not only with a higher capacity and faster flow, but also with a significant improvement in cold resistance and survival ability, even in the northern lands.

Chen Feng raised his hand and made a loose grasp...

A wisp of Tia's energy quickly condensed in his palm.

From fine threads to thin blades, and then to translucent energy shields, the Azure Dragon Armor formed on Chen Feng's body without any hindrance, and the condensation speed was more than twice as fast as before.

Moreover, with the same Tia energy consumption, the Azure Dragon Armor's defensive strength is increased by at least 20%.

On the battlefield, this extra 20% defense would be enough to determine Chen Feng's life or death.

Chen Feng slowly put away the Azure Dragon Armor, which was as thin as a cicada's wing. He looked down at the empty energy bottle and the cultivation source crystal that had lost its luster, and a smile appeared on his lips.

The resources provided by Yu Qian's mentor were not only extremely valuable, but also came at the perfect time for Chen Feng, helping him a great deal.

If he manages to return to Gu Yong Shang City alive, Chen Feng's first priority will be to find Instructor Yu Qian and personally express his gratitude.

......

After breaking through the third level, Chen Feng's body's resistance to cold air reached a new level.

Previously, when walking in the open-air camp on the western front, the chill would seep into his bones through his collar. However, at this moment, the chill seemed to be blocked by an invisible energy membrane. Despite the sub-zero temperature of over twenty degrees below zero, Chen Feng only felt a slight chill.

When Chen Feng arrived at the command room of the 79th Regiment headquarters, Chu Zijing saw him as soon as he pushed open the cold-proof wooden door.

"Commander, an urgent order came from the military headquarters just ten minutes ago."

The heater in the room was blowing warm air, and the warm light from the lamps made Chu Zijing's solemn expression stand out. On the desk in front of him, a virtual tactical sand table was projecting a light blue 3D image above the table, clearly outlining the terrain within a hundred miles ahead on the western front.

The undulating, frozen canyons, the scattered insect nests, and the densely packed areas where the insectoids roam.

Chen Feng walked to the sand table and stood still, saying calmly, "Speak."

Chu Zijing tapped the edge of the sand table twice with his fingertips, and the projection immediately enlarged. Two dark green marching routes extended from the rear of the defense zone, pointing directly to two Zerg outposts on the terrain map.

"The latest order from the Western Front Command: The 11th and 13th Assault Brigades under the 72nd Army are to officially set out this afternoon to penetrate deep into the frozen plains dozens of kilometers outside the western front and wipe out five forward reconnaissance outposts and supply nests of the Purple Insect Clan. The operation is expected to last for a week."

"Not our troops?" Chen Feng asked, somewhat puzzled.

"Our 79th Regiment's first mission is to defend the line." Chu Zijing looked up at Chen Feng, his tone becoming more serious. "While the two assault brigades are on their way, we will work with the other comrades of the 12th Assault Brigade to take over the western defense zone, along with the two flanking positions left by the assault brigades, a total of twenty-seven heavy firepower points and three sections of the city wall, to ensure the line is secure."

"The second task is to provide rear support for the assault brigade."

Chu Zijing pointed to three locations on the sand table marked as "responding points," located 30 kilometers, 15 li, and 3 kilometers outside the defense line, respectively.

"This time, a heavy armored regiment will accompany the troops on this offensive, which will slow down the retreat considerably. If we encounter the main force of the Zerg, we must be ready to move forward to provide support at any time."

Chen Feng looked at the electronic sand table in front of him and pondered for a moment.

"Why did the military choose this time to launch a preemptive strike?" Chen Feng raised his gaze slightly.

Chu Zijing shook his head: "The order didn't go into details, only saying that headquarters had detected unusual activity at the Zerg outposts recently, with signs of advancing towards the defensive line. According to my private speculation, the main fortress might be trying to take advantage of the Zerg's inattention and knock down a thorn in the side of the western front."

Chen Feng stared at the distribution of Zerg strongholds on the sand table without commenting, his brows furrowing almost imperceptibly.

The Purple Clan has always been cunning. Its five strongholds are arranged in a triangular formation. Although they appear to be scattered, they can actually provide rapid mutual support. If the assault team ventures too far in, they will easily get entangled and surrounded by the swarm.

But the orders from above had already been issued, and Chen Feng's duty was to execute them, not to question them.

"Then let's deploy it."

Chen Feng's tone was calm, yet carried an undeniable determination.

"The First Battalion will take over the two sections of the left flank of the city wall, the Second Battalion will guard the right flank of the city wall and all firing positions, and the Third Battalion will be stationed near the No. 2 concealed platform as a reserve force, ready to be deployed at any time. The heavy armored company and the artillery company should also be ready."

"yes!"