The ninety-fourth floor of the Tower of Babel, a golden halo hung mid-air.

Suddenly, the Heaven and Earth Spiritual Qi fluctuated violently. The golden flame ring expanded rapidly, its diameter instantly exceeding sixty meters. Within the black mass of demons, a vast blank space appeared immediately, leaving only a few scattered demons on the periphery.

As the flame ring gradually dissipated into the air, the surrounding demons sensed the disappearance of the Celestial Falling Bright Flame and quickly charged at Lu Yu, their sharp claws glinting with a cold light.

Swish~ A blade light flashed, and several demonic figures collapsed on the ground, skidding forward a few meters due to inertia before stopping. Their bodies split in two, their internal demonic qi quickly erased by the power of the Demon-Breaking Saber. Soon, the demonic qi was completely obliterated, and the light in the demons' eyes dimmed, leading to their complete demise.

Seeing that the surrounding demons had already been cleared out by him, Lu Yu sheathed his Demon-Breaking Saber.

Today is already the third day since the disappearance of the Hawk Alliance's aircraft carrier, and yesterday he had already mastered the surging power.

By now, the surging power has been fully mastered, without the risk of a power rampage or uncontrollable phenomena.

Lu Yu floated half a meter above the ground, no longer emitting heat and cold automatically from his body.

Floating in the air was not him showing off but because he found that maintaining low-altitude flight could speed up the control of his strength.

Maintaining a stable height of half a meter was much harder than directly using spiritual power to lift himself and provided very effective training for power control.

It was thanks to this method that he was able to fully master the surging power in three days.

Lu Yu gently landed on the ground and opened his attribute panel, "Power is fully mastered, it's time to level up."

First, upgrade the final layer of the Celestial Spirit Profound Qi Technique, consuming 5 million experience points.

[After rigorous training, the Celestial Spirit Profound Qi Technique advances to the twelfth level, Qi Blood +3, Spiritual Power +300]

With the Celestial Spirit Profound Qi Technique cultivated to its peak, a massive transformation occurred in the Celestial Spirit Profound Qi on Lu Yu's body, connecting it with Lu Yu's internal spiritual power.

The Celestial Spirit Profound Qi shifted from a passive skill to an active skill. Unlike before, where if it was broken, it could only recover automatically, now Lu Yu can actively spend spiritual power to restore the Celestial Spirit Profound Qi.

Additionally, the defensive capability of the Celestial Spirit Profound Qi has greatly enhanced, comparable to the Qi Sea Realm's body-protecting spiritual armor. It can withstand attacks from Martial Cultivators of the Qi Sea Realm and can change form to become a gauntlet covering the fists, protecting them from injury.

Upon advancing the Celestial Spirit Profound Qi Technique to the twelfth level, it is undeniably powerful.

[Gained insights from cultivating the Celestial Spirit Profound Qi Technique, realm advanced to Air Mastery Realm Fifth Level, Qi Blood +5, Spiritual Power +400]

The Celestial Spirit Profound Qi Technique has reached its limit and cannot be upgraded further. Lu Yu is upgrading the Ice-Fire Seven Heavens, with the third layer already cultivated to perfection, and now he can begin training the fourth layer.

Consume 6 million experience points.

[After rigorous training, Ice-Fire Seven Heavens breaks through to the third heaven, Qi Blood +500, Spiritual Power +1000]

The experience points drop rapidly, and Lu Yu feels two strong forces erupt within his body. His right eye turns golden-red, and his left eye turns ice-blue. His internal Qi Blood surges, and his body expands rapidly, becoming tall and large.

"Hoo~" Two jets of white air puff out from Lu Yu's nostrils, one rising into a heat wave, the other sinking into frost.

"Powerful strength!" Lu Yu clenched his fist, and the air around his fist exploded with a pop, producing a ring of white mist that gradually dissipated.

The advancement of Ice-Fire Seven Heavens is unlike the Celestial Spirit Profound Qi Technique, which completes instantly; it needs a period of time.

Lu Yu can feel a continuous influx of powerful energy erupting within his body.

Finally, Lu Yu's height stopped at 4.5 meters.

His body contains a massive amount of Qi Blood, with his physique naturally growing larger.

For non-Body Refinement Martial Cultivators, their Qi Blood grows slowly along with their spiritual power, having little impact on their physique. Only Body Refinement Martial Cultivators like Lu Yu, whose Qi Blood frequently surges dramatically, experience exaggerated changes in physique.

Feeling the force within weakening gradually, Lu Yu knew the power surge from breaking through Ice-Fire Seven Heavens was coming to an end.

[Gained insights from cultivating Ice-Fire Seven Heavens, realm advanced to Air Mastery Realm Sixth Level, Qi Blood +3, Spiritual Power +450]

Receiving the message of realm advancement, the enhancements brought by Ice-Fire Seven Heavens finally concluded. Lu Yu began to restrain his strength and his Qi Blood.

As the burgeoning Qi Blood gradually subsided, the boiling Qi Blood calmed down, shrinking Lu Yu's physique back to normal height, slightly taller, now reaching 185.

Taller than when he first began his training, by almost half a head.

Pulling off the clothes that had been ripped apart, Lu Yu donned a new disciple's robe and checked his current attributes.

[Name: Lu Yu]

[Realm: Air Mastery Realm Sixth Level (0/7 million)]

[Physique: Iron Bone Realm]

[Qi Blood: 3800]

[Spiritual Qi: 14400 (Ice 7200, Fire 7200)]

[Cultivation Techniques: Ice-Fire Seven Heavens (Fourth Heaven), Fighting God Technique (Fourteenth Level, 0/500 thousand), Celestial Spirit Profound Qi Technique (Twelfth Level)]

[Skills: Ice Spirit Qi∗Netherworld Cold Qi (Ice martial arts power +60%), Fire Spirit Qi∗Purple Flame Demon Fire (Fire martial arts power +60%)

Fire Demon Eye (Insight, Energy Vision, Flame Control)

Ice Jade Eye (Dynamic Vision, Super Vision Range, Ice Control)

Sea's Eye (Ocean Kin, Water Flow Control, Sea of Spiritual Qi)

Infinite Fist (Spirit Level Four, Upgradeable) (Peerless)

Asura Slash (Spirit Level Five, Upgradeable) (Peerless) 3 times damage, 5 times damage for a killing blow.

Heaven's Edge Ruler Step (Mastery) (3256/1,000,000)

Blood Burning Secret Technique (Consumes 70% Qi Blood, increases combat power fivefold) (Peak Mastery) (1203/5,000,000)

Earth Escape (Mastery) (578/300,000)

Fighting God Technique - Shocking God Stab (Not Upgradeable)

Golden Armor Spirit Array (Mastery) (1520/800,000)

Beginner Artifact Refining Technique (Novice) - Spirit Pattern Pen Refinement (Mastery)

[Experience Value: 1,852,631]

[Life Source Quantity: 1]

Ice and Fire Seven Heavens breakthrough to the third heaven, resulting in a significant power boost.

The Celestial Spirit Profound Qi Technique has been cultivated to the limit and cannot be further enhanced. If Lu Yu wants to enjoy the benefits of advancing cultivation techniques while also boosting his realm, he needs to select a new cultivation technique.

He already has an idea, intending to continue cultivating a technique to enhance his defense.

Lu Yu selected a seventh-grade spirit-level body refining technique called Nine Revolutions Diamond Body, a rare body refining technique that can be cultivated without external aids.

The only disadvantage is, to cultivate it to the extreme, one must comprehend the essence of the Diamond Sutra, otherwise, they cannot cultivate the Diamond Body.

Lu Yu does not intend to cultivate the Nine Revolutions Diamond Body to the extreme. He only plans to use it to temporarily enhance his strength, so having the Diamond Body is not crucial.

In any case, cultivating the Ice and Fire Seven Heavens to the extreme is sure to be more powerful than the Diamond Body.

As for martial arts, Lu Yu also considered cultivating one or two ice and fire attribute martial arts, but he hasn't found any suitable ones yet.

Since Asura Slash can use both spiritual power and Qi blood for attacks, Lu Yu isn't in a hurry to learn new martial arts and will wait to find a suitable one.

The Iron Bone Realm's enhancement makes Lu Yu's Qi blood power twice that of martial cultivators with the equivalent Qi blood value.

When facing a non-Iron Bone Realm Martial Cultivator with 3800 Qi blood strength, Lu Yu's Qi blood power equals the force of 7600 Qi blood.

For Iron Bone Realm body refining martial cultivators, every 1000-point increase in Qi blood further doubles the power.

The Qi blood of Qi Sea Realm martial cultivators usually ranges between 1000 to 2000, considering the difference in Qi blood quality, and with the Iron Bone Realm's strength bonus, when facing a Qi Sea Realm martial cultivator, Lu Yu's Qi blood explosive power is eight times his current Qi blood.

Meaning, 3800×8=30,400.

The Qi blood power of ordinary martial cultivators roughly equals their spiritual power, meaning to block Lu Yu's full power attack, a Qi Sea Realm martial cultivator needs to consume 30,400 spiritual power.

This is just the amount of power a low-level Qi Sea Realm martial cultivator needs to expend. Within the Qi Sea Realm, every three small sub-realms increase spiritual power quality by one level. For Qi Sea Realm martial cultivators above level seven, 2 points of spiritual power can offset the damage caused by 1 point of Lu Yu's Qi blood.

As for the damage from Lu Yu's spiritual power outburst, it can be completely ignored by the Qi Sea Realm.

Even with the bonus of Asura Slash, the liquefied spiritual power of the Qi Sea Realm can easily counteract the spiritual power attack from the Qi Condensation Realm.

To deal with or even slay the Qi Sea Realm, Lu Yu can only rely on his strong Qi blood and physical strength.

Reaching a limit with spiritual power might threaten the Qi Sea Realm, but truly killing a Qi Sea Realm is extremely difficult.

Only with a level augmentation akin to the Sword God's, far exceeding one's cultivation stages, can a Qi Condensation Realm hope to slay a Qi Sea Realm, otherwise, it's as hard as reaching the sky.

This is a suppression of spiritual power quality, and without exquisite talent capable of breaking through worldly limits, it's nearly impossible to overcome this chasm-like gap.

Last time, when Lu Yu dealt with two peak Qi Sea Realm Level Three martial cultivators, his Qi blood strength over 2000, plus the power burst from the Asura Slash enhancement, was nearly equivalent to the power released by low-level Qi Sea Realm consuming 50,000 spiritual power.

Yet he still couldn't kill those two He Family retainers at the peak of Qi Sea Realm Level Three, not even inflict serious injury. If not for relying on Shocking God Stab and Purple Flame Demon Fire to follow up with another strike, they could have even taken Lu Yu's attack and counterattacked.

After all, it's not just Lu Yu who has cultivated martial arts and gained power boosts, opponents surely have martial arts-derived power boosts as well.

Now, Lu Yu finally has the power to slay Qi Sea Realm martial cultivators.

Just as Lu Yu was preparing to continue gaining enough experience to advance to Qi Condensation Realm Level Seven, he felt an unusual sensation in the area of his chest.

That was the position of the jade in reality.

A system alert popped up, warning that someone was approaching him in reality, or rather, someone was calling his name.

Lu Yu quickly exited the Tongtian Tower, not even bothering to return to the bamboo forest hut, and logged out of the game.

His consciousness returned to his real body, where Lu Yu heard knocking and shouting from outside; someone was at the door.

Lu Yu got up and opened the door, finding Jiang Xiaoman, whose hands were already red from knocking. Seeing Lu Yu open the door, she quickly said, "The demonic lair in the western suburbs' warehouse is about to form. Members of the Divine Martial group are headed to the western suburbs warehouse to assemble."

After speaking, Jiang Xiaoman apologized to Lu Yu.

"Sorry! I couldn't reach you by phone, so I came to call you."

She knew that players are generally very annoyed when someone touches their real-life bodies or interrupts them post-immersion into the game.

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