The energy on the Space Crystal Wall of the Dreamland Cave World could only be controlled and utilized by Yan Fei. However, this absorption and usage must occur within the Dreamland Cave World. When outside in the Cosmic Void, Yan Fei couldn't directly absorb this energy, but unexpectedly, the four-headed monster could directly absorb the energy from above. As the controller of the Dreamland Cave World, Yan Fei, although not inside the Dreamland Cave World, clearly felt the rapid energy loss from the Space Crystal Wall. This rate of energy loss was even faster than when resisting the fiercest attacks from those cultivators.

If Yan Fei didn't intervene, in less than an hour, the energy in the Dreamland Cave World would be completely drained. To Yan Fei's surprise, after absorbing this energy, the chaos inside the four-headed monster began to settle, and its momentum surged rapidly. In a very short time, the strength of the four-headed monster doubled on its original basis...

Yan Fei was genuinely shocked this time, completely unprepared for things to develop in such a bizarre direction. He wondered what kind of ability the four-headed monster had to absorb the energy from the Space Crystal Wall to strengthen itself. Once the energy in the Dreamland Cave World was depleted, the Dreamland Cave World would lose all its defense capabilities. At that time, not only could the four-headed monster invade the Dreamland Cave World, wreaking havoc, but the flagship of the attacking Ape Tribe could also enter the Dreamland Cave World. The people seeking refuge inside would face extinction.

The most crucial aspect was that the four-headed monster was rapidly calming the chaos within its body and enhancing its strength with the help of the energy from the Space Crystal Wall. Once its strength escalated to a certain level, a qualitative change might occur, compensating for its speed disadvantage, catching up with Yan Fei, and potentially killing Yan Fei's Steel Giant...

In just a short time, Yan Fei made the most difficult decision: he must return to the Space Crystal Wall of the Dreamland Cave World to prevent the four-headed monster from absorbing the energy from the Space Crystal Wall and eliminate this terrifying monster to eliminate future threats.

At this time, the strength of Yan Fei's Steel Giant had a tremendous gap compared to the four-headed monster, but Yan Fei still had a trump card left unused, which was inheriting the Forbidden Technique from Captain China. This Forbidden Technique was a special ability of Captain China's God-Level Expert. Once deployed, it would explode one's strength ten times on the original basis. However, the side effects of this Forbidden Technique were extremely severe. After one explosion, it would lead to a weakened state lasting ten years, practically a paralyzed state, requiring others' care for every move.

Furthermore, Yan Fei wasn't sure if this Forbidden Technique could be used on the Steel Giant. If it failed, then all would be lost. If successful, it might increase the strength of the Steel Giant tenfold, perhaps transforming it into the peak era's Super Titan spanning ten thousand meters. If he could possess the ultimate power, Yan Fei would certainly be able to kill the four-headed monster. Although the aftereffects of the Forbidden Technique are severe, as long as all cultivators could be eliminated, preserving his Dreamland Cave World would be very worthwhile. Ten years later, he would be a hero again, still having a beautiful future.

Having made the decision, Yan Fei unhesitatingly activated Captain China's Forbidden Technique and felt a miraculous energy emerge from his body, quickly infiltrating the Steel Giant's body. Then the Steel Giant underwent a violent explosion again, and after the white light from the explosion dissipated, a Steel Giant, ten thousand meters tall, appeared in the void...

The distant four-headed monster was absorbing the energy from the Space Crystal Wall when suddenly feeling a sense of dread. One of its heads looked into the distance, seeing the ten thousand-meter tall Steel Giant birthed from the explosion. Although the four-headed monster had transformed into a new lifeform after merging, the fear towards the Super Titan engrained in its genes still persisted. Upon seeing this ten thousand-meter tall Super Steel Giant, it instinctively felt fear.

But before the four-headed monster could react, the distant Steel Giant suddenly vanished. When it reappeared, it was already beside the four-headed monster. The four-headed monster's mind was thrown into confusion, the previous fear vanished. It flickered its body, growing to a size of ten thousand meters. One foot continued absorbing energy from the Space Crystal Wall, while the other let out a loud roar at the Steel Giant.

The Steel Giant, transformed by Yan Fei, had no meridians inside, unable to absorb energy from the outside, naturally unable to deploy the high-power spells only Super Titans could cast. But now its strength and defense capabilities far exceeded those of the previous Super Titan. He straightforwardly abandoned other attack spells, opting to use his strength to fight. Thus, he approached the four-headed monster, intending to kill it using his strength.

The four-headed monster fell into chaos again, having completely forgotten those cultivators' spells, leaving only the instinct of melee combat. Under the energy enhancement of the Dreamland Cave World's Space Crystal Wall, the strength and defense of the four-headed monster reached a peak. When the Steel Giant engaged in close combat with it, it not only wasn't afraid but became excited.

The Steel Giant punched the four-headed monster in the stomach, causing it to fly far away, finally severing the four-headed monster's absorption of energy from the Space Crystal Wall. However, the four-headed monster's energy absorption had reached an extreme limit, so despite being hit and flying away, its momentum had already peaked, thus not contemplating returning to the Space Crystal Wall.

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