The Illusory World seemed to weigh many tons, and Merlin felt his entire body sinking. Nonetheless, this was just a trick of the mind. It was merely a pressure on his Mind Power.

Fortunately, it was not the first time Merlin had mobilized the Illusory World, so he got used to it quickly. The invisible Illusory World rapidly extended toward the Giant Tuota and the Rock Creature of Ancestor-level strength who was high in the sky.

The Ancestor-level of the Rock Tribe was equivalent to a Great Legend while the Rock Progenitor was on par with the Ultimate Arcane Wizard! This Rock Creature before Merlin was obviously of the Ancestor-level yet he resorted to petty tricks, inciting Tuota to go after Merlin while he wrested the controlling rights of the dimension from Alcra.

If this Ancestor-level Rock Creature controlled the Firecloud Dimension, there would be great trouble. It would be immensely difficult to seize back the controlling rights of the dimension. Therefore, Merlin naturally would not let this Rock Creature's plan succeed.

"Boom."

The moment the Illusory World appeared, it first swallowed Tuota. Instantly, he stopped his attacks, and was evidently stupefied. This time, it was different from when Merlin himself had cast his third-stage Hallucinating spell. After all, this was an Illusory World formed by Titus. Even if only a portion of its strength could be mobilized, it was enough to trap a Great Legend in the illusion.

Noticing Tuota's manner, the Ancestor-level Rock Creature could keenly sense the incoming danger, and his body immediately emanated halos of black light.

Nonetheless, when the Illusory World had enveloped him, his expression turned blank, after which he shuddered involuntarily, his expression clearly indicating that he was still struggling.

This was a being on par with Great Legends! It was the first time Merlin had wielded the Illusory World against such a powerful being. Compared to the Ancestor-level Rock Creature, Tuota was much easier to deal with.

Titus materialized leisurely in the Illusory World once more, shooting Merlin a smile. "Merlin, see that? Two existences comparable to Great Legends are trapped in the Illusory World just like that. Still, your ability is ultimately too weak. If you can increase your strength, then you can even use this time now to kill them off completely. However, you can only trap them in the Illusory World for now, and it uses a huge amount of your Mind Power. I'm afraid you won't be able to sustain this for long."

Merlin's expression sank. It was true. Mobilizing the Illusory World took a huge toll on Merlin's Mind Power.

"I can only keep this up for about half a day. If Alcra still hadn't succeeded by then, we can only leave the Firecloud Dimension for now…"

Merlin glanced over at Alcra, who seemed to be reaching a critical point. Without the Ancestor-level Rock Creature disturbing him, his nine Tree Saplings were growing at an exceptional pace, wildly shooting up at every moment.

The Ancestor-level Rock Creature and Tuota were currently dwelling in the Illusory World quietly. Two mighty existences on par with Legends were caught in Merlin's illusion just like that. Merlin was not a Great Legend and not even a Great Wizard. No other Spell Caster could have achieved such a feat.

It was just that Merlin felt no sense of elation at the moment. Instead, he was plagued by worry because as time flowed by, he felt that it was increasingly difficult to control the Illusory World.

One hour, two hours, three hours…

In the blink of an eye, six hours had passed. Beads of cold sweat had appeared on Merlin's brow. He was almost unable to hold on anymore, and the Illusory World was nearly about to be drawn back into the illusion bead.

"Merlin, you're almost at your limit, you can't hold on for much longer… What a shame, what a shame you haven't achieved an Illusory Heart. Otherwise, you could control both of their spirits and make them kill each other!"

Titus was now shaking his head powerlessly. He understood Merlin well, and knew that Merlin was almost at his limit. The fearsome capabilities of Mind Power Masters could only be truly displayed when one had understood the Illusory Heart. One could then control a person's soul in an unnoticed manner. Such a terrifying technique was not found in any of the foreign civilizations, belonging solely to Mind Power Masters.

Moreover, at the moment, only by cultivating the Mind Power system Titus had created to an advanced stage, would one be able to have such an incredible technique.

"Illusory Heart?"

Merlin shook his head. If, in terms of the first main stage, Hallucinating spells, he had some understanding and experience. In terms of the Illusory Heart, he had not the faintest idea. It was a completely unfamiliar domain. Even if he had communicated frequently with Titus, he still could not understand the Illusory Heart.

"I can't hold on anymore, Alcra!"

Merlin could not help but yell at Alcra. However, after shouting a few times, Alcra remained unmoving as if he was already wholly immersed in absorbing the Elemental Origin.

Merlin frowned as the strain on his Mind Power grew heavier. If he forced himself to go on, it would damage his Mind Heart. The Mind Heart of Mind Power Masters was just as important as the Spell Models of Spell Casters. It must not be damaged in the slightest.

Therefore, Merlin was considering rousing Alcra by force when suddenly, a massive vortex appeared above the canopy of the giant tree which was Alcra's true form.

This vortex expanded more and more, sweeping away the wind and clouds, causing Alcra's true form to tremble violently.

"Rumble."

The skyscraping tree swayed wildly, its dense leaves and branches shuddering constantly. They glimmered with a green light, which enveloped the nine Tree Saplings beside Alcra.

"Fuse!"

A cold voice rang out. Merlin could sense that Alcra was currently undergoing tremendous pressure. As soon as he spoke, the thick trunks of the nine Tree Saplings were engulfed in the green light, and they were slowly fused into Alcra's true body.

Each time a fusion took place, Alcra's colossal tree body would grow significantly.

One, two, tree Saplings…

Soon enough, all nine Tree Saplings were fused into Alcra's body. Alcra's present form was so gigantic that it was hard to imagine. Almost every movement of his would affect the entire dimension.

Merlin even had the feeling that if Alcra erupted in full strength and struck a blow, he could break the dimension into pieces. This was a true indicator for only one who had achieved the power of a Great Legend could smash an entire dimension. Only a Great Legend could thoroughly destroy a dimension.

"He's succeeded?"

Merlin was now unable to tear his nervous gaze away from Alcra. After getting to know Alcra, Merlin learned that Alcra had sacrificed so much to become an upper rank Tree Folk, having stayed in the open territory for hundreds of years.

As a second-generation Tree Folk, Alcra had to bear an unprecedented burden of pressure and pride!

"Boom."

The skyscraping tree trembled slightly, following which a green ball of light rapidly transformed into a human figure.

"Wizard Merlin, thank you for holding them off for so long. You took both of them on by yourself. Let me take care of the rest!"

Upon hearing Alcra's words, Merlin finally let out a long sigh of relief. Of course, he knew by now that Alcra had succeeded, finally becoming the foremost genius Tree Folk in the Tree Tribe civilization.

Merlin had maintained the illusion through painstaking effort, and thus did not demur. He immediately retracted the Illusory World. Instantly, Tuota and the Ancestor-level Rock Creature recovered their senses.

Both of their faces revealed a sense of amazement but even more than that was an expression of murderous intent.

"What a powerful Hallucinating spell! However, you must've been unable to keep it up for long due to some reason. Now, you're all going to die!"

The Ancestor-level Rock Creature was utterly angered this time. Under the force of his rage, his body emanated a frightening force, which practically whipped up a storm.

Tuota was racing toward Merlin as he roared in fury as well. Two existences on par with Legends now intended to kill Merlin.

"Snap."

Suddenly, a sharp cracking sound rang out. Thick roots immediately wound around the Giant Tuota before they flung him away. What made Tuota even more afraid was that this force seemed to have caused trivial injuries to his vital organs.

The force of Alcra's throw was enough to harm the giant Tuota. This was something only a Great Legend could do!

"You… You've become an upper rank Tree Folk?"

Tuota knew about Alcra. In fact, in the open territory, many people knew Alcra's identity. As a second-generation Tree Folk, he was directly split from the Mother Tree, and had extreme potential. He was even dubbed as the strongest existence below the Tree Kings in the Tree Tribe civilization.

Many foreign tribes knew that Alcra had been trying to fuse with his nine Tree Saplings, becoming the foremost genius among the Tree Tribe who would be able to challenge beyond his own rank. It had been so many years that many people felt as if Alcra could not possibly succeed. However, after Alcra had sent Tuota flying in a single move, the question was evidently answered.

"An upper rank Tree Folk?"

This Ancestor-level Rock Creature's face immediately turned gloomy. Of course, he knew what Alcra's transformation signified. At such a critical moment, Alcra had a breakthrough.

"Swoosh."

Another thick twisting root shot toward the Ancestor-level Rock Creature. This Rock Creature dared not hold back, and pointed with one hand. His finger instantly turned into a black rock finger, filled with immense weight.

"Crack."

The rock finger clashed against Alcra's root, resulting in the shattering of the finger, which broke into pieces. As for Alcra's root, it had no strength left as well. They were equally matched.

The Ancestor-level Rock Creature felt a jolt in his heart. This time, he had ascertained that Alcra had really broken through. The finger that was just shattered rapidly grew out. To this Ancestor-level Rock Creature, this damage was not even an actual injury.

"I remember you, Blackroth. Now I've joined forces with Merlin. Do you still wish to fight?"

Alcra glared unwaveringly at the Ancestor-level Rock Creature. Evidently, he knew this Rock Creature, named Blackroth, who was a Rock Creature in the open territory at the level of a Great Legend.

Blackroth glanced at Merlin and Alcra. He was very apprehensive toward Merlin's Hallucinating spell. Now that Merlin had joined forces with Alcra, Merlin was still incapable of hurting him but Alcra could very well harm him!

"Is that so? Alcra, Tuota and I can take you on together, and you can't hurt me that much in a blow. However, this Spell Caster, can he still trap us in an illusion?"

Blackroth smiled coolly. As an Ancestor-level Rock Creature, although he was slightly afraid, he would not fear Alcra who had just broken through.

"Huh?"

However, as soon as Blackroth spoke, his body suddenly let out a dreadful force, which even suppressed the entire dimension. An apparition of a giant face, dignified and imposing, floated before Blackroth.

"I, the Rock Progenitor, command all Ancestor-level Rock Creatures to return to the ancestral land at the greatest speed possible!"

Upon seeing this giant apparition of the face, Blackroth's expression was one of incomparable respect and fervor.

Very soon, the giant face vanished, and Blackroth merely gave Merlin and Alcra a glance as he said gruffly, "Count yourselves lucky. The Progenitor had ordered us to return to our Ancestral Land!"

With that, Blackroth gave Merlin a deep look before turning away. He left the Firecloud Dimension without even a backward glance, leaving behind Merlin and Alcra who exchanged dismayed looks.

"What has happened with the Rock Tribe?"

Merlin and Alcra looked at each other, filled with puzzlement. Soon enough, Merlin's Spatial Ring began to shudder forcefully as well.

"Merlin, quickly return to Arcane City! This is the command of the Ultimate Arcane Wizards. All Spell Casters of Arcane City and all Great Legends must return to Arcane City!"

The avatar of the Legend Zado left behind in the Spatial Ring suddenly opened his eyes and spoke to Merlin frantically.