Bang! The broken wall blocking the gate finally shattered completely.

After all, it was just a broken wall that Lu Yu had casually found around the area, nowhere near as sturdy as the hall made of adamantine rock. Under the relentless assault of the sea creatures, it eventually crumbled.

At the moment the wall shattered, Lu Yu quickly stored the Liang family patriarch and hid underground.

Over a dozen remaining sea creatures rushed out from the exit, the Blade Fish Commander covered in wounds, swimming towards the boundary of the secret realm without looking back.

It suffered a great loss here, knowing that relying on this small number of its kin was not enough to contend with the humans in the underwater ruins. Next time, there would be more than just this small number of sea creatures.

Even the Flying Fish General might descend.

Watching the retreating Blade Fish Commander and over a dozen wounded sea creatures, Lu Yu restrained the impulse to have the Liang family patriarch make a move. At this point, these sea creatures were already at the end of their ropes; any further pressure would only backfire.

As the saying goes, don't chase a cornered enemy.

After the sea creatures left, Lu Yu headed towards the hall.

The hall was filled with the corpses of sea creatures and fragments of vines. Through the gaps between the corpses and vine fragments, Lu Yu saw a serrated saber embedded in the center of the magic flower on the innermost wall.

It was the serrated saber of the Blade Fish Commander, intended to be used as a divine weapon once it broke through to the Demon Core realm, crafted from its own fish fin into a sharp weapon.

But in the battle with the magic flower, it had to sacrifice its life-bonded Fish Fin Saber, severely injuring the magic flower and disrupting its magic sound attack. Otherwise, it too would have died in the hall.

The reverse teeth of the serrated saber made it difficult for the magic flower to easily expel the saber lodged in its vital point. Now, it was controlling the remaining vines to devour the Qi blood and spiritual energy from the corpses in the hall to heal and grow new vines.

Over twenty Qi Blood Fruits and Spiritual Qi Fruits that had already formed on its body were rapidly shriveling and withering, as new vines quickly grew beneath the magic flower's petals.

Lu Yu traversed the hall filled with corpse fragments from underground, getting close to the magic flower. In just a few seconds, the Qi Blood Fruits and Spiritual Qi Fruits hanging on the undead magic flower had already shriveled five or six of them.

Lu Yu poured all the remaining spiritual power in his body into the Water-Repelling Pearl, instantly expanding its space to a diameter of seven or eight meters, pushing away all the seawater around the undead magic flower.

A large amount of corpse debris and vine fragments, along with the seawater being displaced out of the hall, surged out, with Lu Yu's figure rising from the underground.

The Demon-Breaking Saber swiftly sliced through the magic flower's vines, severing seven or eight fruits which Lu Yu quickly caught and stowed in his backpack.

Lu Yu casually slashed at the body of the magic flower, with the sharp Demon-Breaking Saber slicing through its petals under Lu Yu's immense strength, feeling a force rebounding from the saber.

The magic flower was too large for Lu Yu to completely sever it; he could only withdraw the Demon-Breaking Saber, simultaneously grabbing several Qi Blood Fruits and forcibly pulling them off the vines.

Several arm-thick vines fiercely struck down towards Lu Yu, while all the fruits on the magic flower's vines rapidly shriveled.

These fruits were originally used for its breakthroughs and advancements, but now they were about to be taken, and it was severely injured, leaving it no choice.

The vines struck Lu Yu's body, causing a slight tremor. The attack from the undead magic flower made Lu Yu feel pain.

To be able to hurt Lu Yu indicated the formidable strength of the undead magic flower's vines.

Glancing at the already shriveled and severely shriveled fruits, Lu Yu stopped being greedy, quickly retracting the Demon-Breaking Saber and sinking into the ground.

Several vines attacked Lu Yu from underground, but Lu Yu kicked away the approaching vines with a punch and a kick, swiftly distancing himself from the undead magic flower, fearing it might recover and launch another sound attack.

If hit by the magic sound underground, resulting in an interruption of his earth escape, Lu Yu would end up like that sea creature stuck in the wall, with flesh and mud mixed together, dying on the spot.

That sea creature only had part of its body stuck; even if Lu Yu didn't act, it wouldn't live long.

If Lu Yu got stuck underground, he would literally become one with the earth, with no chance of survival.

As Lu Yu distanced himself, the vines couldn't match his speed, and the undead magic flower could only retract its vines and give up chasing Lu Yu.

Lu Yu returned to where Hai Wei was hiding.

The battle group that had initially been moving in this direction was diverted by Lu Yu, leaving Hai Wei naturally unscathed.

After bringing Hai Wei out from underground, Lu Yu found a secluded spot to recover the spiritual energy he had expended and to digest the things and experience points gained from this battle.

Although those sea creatures Lu Yu trapped and killed wouldn't count towards his experience points, they did help eliminate short-term threats, allowing him time to enhance his strength.

By assassinating sea creatures, Lu Yu gained over two million experience points, averaging 100,000 experience points for every two sea creatures killed, with Lu Yu having slain about 40 sea creatures in this battle.

Overall, it was a decent outcome; had the battle lasted longer, he surely would have gained more experience points.

But if the sea creatures wiped out or drove away the human Martial Cultivators, it would be difficult for Lu Yu to deal with the sea creatures again. Without human Martial Cultivators as bait, the sea creatures wouldn't venture into dangerous areas.

Besides the experience points, Lu Yu also obtained six Qi Blood Fruits and four Spiritual Qi Fruits, which he picked from the immortal magic flower with a diameter of over five meters.

This larger magic flower produced better Qi Blood Fruits and Spiritual Qi Fruits, with the essence of Qi blood and spiritual energy being much purer.

First, Lu Yu would use the experience points to raise his realm. After digesting the Qi Blood Fruits and Spiritual Qi Fruits, his Qi Blood and Spiritual Power cultivation would significantly increase, reducing the additional Qi blood and spiritual power gained when raising his realm.

The spiritual power might not be greatly affected, as the difference between the realm and spiritual power cultivation wasn't excessive.

However, Qi blood would certainly be heavily impacted; even an additional point of Qi blood is beneficial.

Currently, Lu Yu's Qi blood can only be improved during Body Refinement.

At present, the Purple Flame Demon Saber has been chewed to bits by Lu Yu, and the Purple Flame Demon Fire within it has been completely "consumed." Without discovering new sources of flame and frost, Lu Yu is unable to proceed with body refinement cultivation.

Afterwards, Lu Yu realized that he should have kept the Purple Flame Demon Saber and let Senior Brother Kui appraise it to determine which material produced the Purple Flame Demon Fire. Then, he could acquire the Purple Flame Demon Fire by purchasing that material.

Unfortunately, the Purple Flame Demon Saber had already been chewed to pieces, and even the bits had vanished without a trace.

Lu Yu also tried searching for the Purple Flame Demon Saber in the marketplace, resulting in six outcomes—all named Purple Flame Demon Saber.

However, none of these Purple Flame Demon Sabers could produce the Purple Flame Demon Fire. They were merely simple spirit weapons without the Purple Flame Demon Fire and wouldn't backlash against the holder.

Perhaps he should have asked the ponytail guy where he obtained the Purple Flame Demon Saber, as that place might have been the true source of the Purple Flame Demon Fire.

Regret came too late, but Lu Yu didn't dwell on the matter.

He added 1.4 million experience points to the Celestial Spirit Profound Qi Technique to increase its level, thus boosting his cultivation stage as well.

[After intense cultivation, the Celestial Spirit Profound Qi Technique was elevated to the ninth level, Qi Blood +5, Spiritual Power +100]

[Gained insight from cultivating the Celestial Spirit Profound Qi Technique, stage elevated to the second layer of the Controlling Qi Realm, Qi Blood +10, Spiritual Power +100]

Lu Yu's current Qi Blood is 1800, with a total Spiritual Power of 5000, split as 2500 Ice and 2500 Fire Spiritual Power.

The level of cultivation technique determines the ceiling of cultivation stage; breaking through the technique's level allows a chance to elevate the stage.

Upon reaching the second layer of the Controlling Qi Realm, the experience required for upgrading increased to 3 million, and simultaneously, the experience for upgrading the Celestial Spirit Profound Qi Technique reached 3 million.

When a cultivation technique can simultaneously elevate the stage, its upgrade experience equals or exceeds the experience needed to elevate the stage.

Once the Celestial Spirit Profound Qi Technique reached the ninth level, the celestial profound qi hovering around him finally received an epic enhancement.

The celestial profound qi surrounding Lu Yu's body could finally withstand attacks from martial cultivators of the Controlling Qi Realm... although it was significantly enhanced, it still wasn't particularly useful.

After breaking through the ninth level of the Celestial Spirit Profound Qi Technique, the celestial profound qi surrounding Lu Yu's body grew thicker and more resilient, speeding up its recovery from damage.

Previously, it would take half a day to recover the celestial profound qi, but now it merely takes an hour post-damage... still of little use.

After all, the Celestial Spirit Profound Qi Technique is just a fourth-grade spirit level technique. To compare it with the spirit level ninth-grade Ice and Fire Seven Heavens technique Lu Yu predominantly cultivates... not comparable at all.

Refining six Qi Blood fruits obtained from a 5-meter-long Undying Demon Flower, Lu Yu's Qi Blood increased by 224 points.

Though the Qi Blood within these six fruits was exceedingly pure, Lu Yu's Qi Blood improved significantly from before, still managing to enhance by over 200 points, which came as a surprise to Lu Yu.

His Qi Blood now officially surpasses 2000, reaching 2024.

The surge in Qi Blood was so intense that Lu Yu struggled to contain the surging Qi Blood within his body.

Within mere hours in the seabed ruins, Lu Yu's Qi Blood rose by over 400, breaking the 2000-point threshold.

His entire body expanded like a balloon, growing larger by more than one ring; sitting cross-legged, Lu Yu almost reached one and a half meters, and standing up could barely be contained by the room.

As body refinement progresses, Lu Yu's physique continues to expand, resembling a mountain bearer.

Initially, the mountain bearer's physique surpassed 2 meters, even when suppressed; releasing the small mountain from his backpack, the mountain bearer's physique surely wouldn't be smaller than the martial cultivator with giant spirit blood whom Lu Yu destroyed earlier.

Typically, Lu Yu suppresses his own Qi Blood, preventing excessive changes in physique; now, with too much Qi Blood enhancement, he couldn't control it, revealing his true form.

He's actually a small giant three meters tall, with well-defined muscles hidden under clothing; those muscles are clearly visible once uncovered, a muscular man.

Noticing Lu Yu's physique abruptly enlarging, Hai Wei appeared surprised, not expecting Lu Yu could grow bigger and smaller.

As Lu Yu's mastery of his newfound Qi Blood strengthens, his muscles gradually contract, his bones shrink, slowly returning Lu Yu's physique to its original form—but still visibly taller.

Bang! Lu Yu clenched his fist powerfully, creating a loud explosion from seawater in his palm, shooting the compressed seawater over five or six meters.

"I heard of shrimp in the sea capable of shooting water arrows; does what I did count as shooting a water arrow?" Lu Yu wondered nonsensically as he looked at the gradually calming seawater.

With great strength, many impossible things become possible; in reality, who could have thought mere pressure from a quick fist-clench could release a water arrow capable of piercing steel?

Just as Lu Yu planned to continue refining the Spiritual Qi fruits, Hai Wei spoke, "I sense fellow clan members approaching."

Lu Yu paused his hand movements, glanced at Hai Wei, and put away the Spiritual Qi fruits.

Handling Hai Wei's matter first, entrusting her to her clan, fulfills his promise to Hai Wei.

Then, whether he stays or leaves is up to him, free from current considerations.

Refining Spiritual Qi fruits requires considerable time; it's much safer within the Divine Weapon Pavilion Secret Realm.

Lu Yu led Hai Wei through tunneling, returning to Yunhai City.

Lu Yu and Hai Wei emerged from a deserted alley; last night's bustling streets now lay empty.

Currently, those still venturing outside in Yunhai City gather around its outskirts, fiercely battling with the sea clans, while others hide at home, afraid to go out.

"Over there, I feel them approaching from that direction," Hai Wei pointed into the distance.

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