Under Wang Kai's soul power, this colorful crystal with no flaws on its entire body and a faint colorful mist fluctuating inside flashed, then slowly flew out of Wang Kai's hand and came above his head.

The next moment, this colorful crystal suddenly broke above Wang Kai's head, making a crisp "pop" sound, and a stream of extremely rich and colorful mist poured down from the crystal, covering Wang Kai's whole body.

As the colorful fog gradually became rich, Wang Kai gradually lost the trace of the cultivation secret room in front of him, leaving only a beautiful and fantastic colorful scene. At this time, the Chaos Mountain and River Cauldron also condensed the entity in front of Wang Kai. Circles of colorful halos began to appear beside Wang Kai, and flew towards the Chaos Mountain and River Cauldron in front of him. At the same time, a terrifying pressure instantly enveloped him!

Just like the process of absorbing the soul ring of the soul beast, using the adaptive 100,000-year soul ring will also bring great pressure and pain to Wang Kai. Moreover, the pain Wang Kai suffered this time is even far more than the total pain he suffered when he fused the first three soul rings!

Although this adaptive 100,000-year soul ring is a magical prop from the infinite martial soul system, compared with the process of soul master fusion of soul beast soul rings, it has been much softer, and the pain brought to the soul master has been reduced by dozens of times, but, after all, this is a 100,000-year soul ring!

In Douluo Continent, most soul masters at the level of Soul Saints and Soul Emperors have ten thousand-year soul rings, and some genius soul masters may obtain ten thousand-year soul rings at the Soul King or even lower level. However, those soul masters who can have ten thousand-year soul rings are still rare in Douluo Continent!

In addition to the future Shrek Seven Monsters, Wang Kai estimated that the current soul master with a 100,000-year soul ring on Douluo Continent is probably no more than a palm!

You should know that except for extremely special soul beasts like the Tianmeng Ice Silkworm, even the weakest soul beasts with a cultivation level of over 100,000 years, their strength can be comparable to the peak Douluo at level 95!

In addition, the vitality of the 100,000-year soul beast is extremely powerful. Even if a peerless Douluo like Qian Daoliu or several titled Douluoes will be siege together, it will at most a 100,000-year soul beast, and it will be difficult to kill them, let alone obtain the soul ring.

When the cultivation level of soul beasts reaches 100,000 years, they have wisdom comparable to humans. When they are seriously injured, they would rather choose to self-destruct and die than leave a soul ring for the soul master who killed it!

Therefore, although there are currently several soul masters with 100,000-year soul rings on Shangdouluo Continent, most of their soul rings are not obtained by killing 100,000-year soul beasts, but by methods such as God-given soul rings, God-given age increase, and voluntary sacrifice of soul beasts.

Of course, although the 100,000-year soul ring is extremely rare and the difficulty of obtaining it is difficult to reach the sky, compared with the 100,000-year soul ring, the 100,000-year soul ring brings two powerful soul skills to the soul master!

It is precisely because of the strength of the 100,000-year soul ring that although Wang Kai's physique and soul power have been greatly improved many times compared to the past, when he began to absorb this adaptive 100,000-year soul ring, the pain he faced was still multiplied compared to the past!

Therefore, for Wang Kai, the process of absorbing this adaptive soul ring of 100,000 years is both an opportunity and a challenge!

Once Wang Kai cannot withstand pressure and loses consciousness when fusing the adaptive 100,000-year soul ring, then the fusion process will be urgently interrupted, and in the end what he gets is only a powerful 100,000-year soul ring, rather than a qualitative change of 100,000-year soul ring!

Faced with the ubiquitous terrible pressure brought by the adaptive soul ring, Wang Kai could only get rid of all distractions, gritted his teeth, and fought the most tenaciously against the pressure and pain of the whole body!

Now, for every extra second he can hold on, the age of the soul ring he can finally get can increase by one point!

Under the pressure and pain of inhumanity, Wang Kai only persisted for about twenty minutes, and his body was completely wet with sweat, and his face also showed an expression of incomparable pain!

However, if Wang Kai wants to successfully merge this 100,000-year soul ring, he will need to persist for an entire hour under heavy pressure!

As time passed by minute by minute, Wang Kai felt the pressure around him increased little by little, and even ordinary soul kings might not be able to withstand such pressure!

Fortunately, Wang Kai merged the two powerful god-level martial souls of Shura Emperor and Chaos Mountain and River Cauldron, and greatly improved his physical fitness under the power of the martial soul. Otherwise, ordinary soul masters would not be able to withstand such pressure at all!

"Damn! I'm still too confident!" Faced with such terrible pressure, as strong as Wang Kai, his capillaries began to collapse and break, and his skin was covered with countless hideous bloodshots!

"You can't do this anymore! By the way, why don't you try to use the power of my martial soul to resist the pressure!" Feeling the situation where my body was about to collapse, Wang Kai suddenly had an extremely bold idea in his heart. Then he thought, and the Shura Emperor's martial soul suddenly appeared behind him. A series of extremely rich blood-colored forces appeared in the space, resisting most of the pressure outside his body!

Suddenly, Wang Kai felt that the pressure on his body suddenly eased, and the color of his skin gradually returned to normal from blood red.

But as time continued to pass slowly, although Wang Kai had summoned Shura Emperor to protect himself, he still felt that the pressure on his body surged a little bit again, and his bones began to twist and deform due to heavy pressure. The mountain-like pressure seemed to completely overwhelm him at any time!

However, at this time, there are still ten minutes left before Wang Kai can perfectly absorb the adaptive soul ring of 100,000 years!

"Oh no, am I really going to fail?" The Shura Emperor's martial soul behind Wang Kai also began to blur slowly because of this terrifying pressure. He frowned and his facial expression was extremely ferocious, but he was powerless to do anything about the fact that he was about to fail.

Just when Wang Kai was about to be unable to hold on and lost consciousness, suddenly, the Chaos Mountain and River Cauldron in front of Wang Kai "buzzed" and emitted a mysterious fluctuation. A stream of mysterious yellow aura rushed into Wang Kai's body!

"Is this?" Amid Wang Kai's suspicion, the mysterious fluctuations quickly spread, and an invisible barrier condensed around Wang Kai. Wang Kai only felt that the pressure on his body was reduced by an instant and returned to the range of tolerance again.

At the same time, a stream of mysterious yellow aura spread out in Wang Kai's body. As soon as Wang Kai's bones touched this aura, they began to absorb it frantically, and continued to strengthen, becoming more flexible and hard.

"That's great! It's worthy of being a magical martial soul! Sure enough, there is no place for the sky!" A hint of joy flashed in Wang Kai's eyes, and he thought to himself.

Ten minutes later, Wang Kai felt that the weight of his body finally began to drop rapidly, and the colorful mist around him gradually faded, revealing the extremely familiar cultivation room outside.

After a few more minutes, the colorful mist around Wang Kai had completely disappeared. At this time, a red halo was slowly floating behind him, looking extremely solemn and eye-catching.
Chapter completed!