The arrival of Merlin and Mage Leo caused some sensation, and Mage Leo smiled at Merlin and said, "Merlin, you see that the spellcasters around you are looking forward to you breaking into the Rune Tower. ”

Merlin was naturally very clear about the discussions of the surrounding spellcasters, but he also knew that these people were not expecting him to break into the Rune Tower, but looking forward to seeing the invisible "confrontation" between him and Claes.

Merlin glanced up at the towering Rune Tower, and his heart was full of a hint of war, he didn't mind that others compared him to Claes, and even he wanted to really compete with Claes.

It's just that Claes betrayed the Dark Spirit Domain and took refuge in Osmu, and Merlin didn't have a chance to compete with Claes, but now that he has the Rune Tower, he can also be indirectly compared with Claes.

"Mentor Leo, I'm going in first!"

Merlin whispered to Mage Leo, then turned around, the fluctuation of the wind elemental appeared on his body, and in the blink of an eye, he flew into the mysterious rune tower.

Inside the Rune Tower, Merlin had just entered it when he saw three spellcasters, two men and one woman, all of whom seemed to be third-level spellcasters.

"Whoosh".

Before Merlin could take a closer look at the three spellcasters, he saw that they were enveloped in a white light, and in the blink of an eye, they disappeared into the first layer of the Rune Tower.

"Got through the first floor?"

Merlin was slightly stunned, and then it occurred to him that the three of them had probably passed through the first level of the Rune Tower and entered the second level.

Inside the Rune Tower, spellcasters are running around almost every day, even if they fail. Nor will it die. It will only be sent directly out of the Rune Tower. And a certain amount of contribution points will also be deducted.

After all, the purpose of Archmage Fidel's construction of the Rune Tower was not to kill the low-level spellcasters of the Dark Spirit Domain, but to select the best spellcasters among them, especially those who are good at runes, as a key cultivation object, and give some unique and powerful treasures, so even if they fail, they will not die.

Merlin didn't bother to guess the three spellcasters anymore, but went straight to the middle of the first layer, where there were several vermilion pillars. It is engraved with dense mysterious runes.

The breath of these runes is faintly similar to the breath of the runes on the stone tablets outside the Dark Spirit Domain, which should have been carved by Archmage Fidel himself, even after thousands of years, he still has incredible power.

This is the magical power of runes, Merlin has seen a lot of rune magic circles so far, and even he has a powerful rune magic disk himself.

However, when it comes to the study of runes, I am afraid that there is no one who can compare to Archmage Fidel, who carved the rune circle casually. It can actually derive the breath of life, just like the spirit of the rune circle in the stone tablet. Like the black cat Dydemos, even the great legendary mages can't do it.

It shows how profound Archmage Fidel's research on the runes is!

"Buzz".

Merlin stood in the middle of the vermilion stone pillars, and the mysterious runes on those stone pillars began to flicker with a trace of white light, and these white lights quickly converged in mid-air, and gradually, a huge black dog appeared in mid-air.

This big black dog shrugged his ears, his eyes were scattered, he looked listless, and the aura on his body was not strong, and it could even be regarded as quite weak.

However, to Merlin's surprise, this big black dog actually had a trace of "life" on its body, which was very similar to the black cat Didymoth in the stone tablet outside the Dark Spirit Domain.

Merlin took a few steps back and distanced himself from the big black dog, after all, this is the Rune Tower, it is a tower built by the great Archmage Fidel himself, and even these runes are carved by the hands of the Archmage Fidel, no one knows how strong this big black dog is, so you need to be cautious.

The big black dog slowly raised his head, looked at Merlin, and actually said in a cold tone: "I am the guardian spirit of the first layer of the Rune Tower, if you defeat me, you can enter the second layer, and if you fail, you will be sent out of the Rune Tower!"

Merlin nodded and said, "Hear me clearly!"

"Huh".

As soon as Merlin's words fell, the big black dog moved, its speed was extremely fast, it originally looked very lazy, but now it actually became extremely aggressive, and its body was shrouded in mysterious runes, which made its size seem to be even larger.

The big black dog's attack method is very simple, rampage, but that strength makes Merlin feel a little puzzled, it is not very strong, but too weak.

"Frozen Space!"

Merlin didn't use magic energy, but directly released a third-level spell, cold space!

This frozen space is an extension from the frozen area, which can almost form a "space", of course, not a real space, just a small place, completely shrouded in cold, from the air to the ground.

"Click".

The third-level spell frozen space has both restraint and a certain attack power, after all, the extreme low temperature is also quite powerful, once it is frozen, many low-level spells cannot be resisted, and with the cowardly body of the caster, in the face of the extreme low temperature, it is impossible to survive at all.

Of course, the big black dog in front of him was not the caster, but it seemed to be even more unbearable, and it was directly frozen by a frozen space spell by Merlin, and then the ice crystals cracked, and its figure disappeared without a trace.

"And so you won?"

Merlin was a little stunned, even though it was only the first layer, it seemed a little too simple......

"Whoosh".

After a while, the mysterious runes on the stone pillar condensed a big black dog again, but this time, the big black dog did not make a move, but said directly to Merlin: "You have passed the first layer of the Rune Tower, but don't be complacent, the first layer of the Rune Tower is only equivalent to a first-level spellcaster, but you are a third-level caster, defeating me is nothing, your real test is above the fourth layer!"

Merlin realized that the guardian spirit of the first layer of the Rune Tower was only equivalent to a first-level spellcaster. The second tier is equivalent to a secondary caster. As the number of floors of the Rune Tower increases. The stronger the Guardian Spirits.

At the fourth level and above, Merlin will face a real test, because the guardian spirit of the fourth layer is comparable to the fourth-level spellcaster, the fifth layer is comparable to the fifth-level spellcaster, the sixth layer is the sixth-level spellcaster, and the last layer, the seventh-level guardian spirit, has reached the level of the seventh-level caster!

Archmage Fidel's purpose in building the Rune Tower. It was to select the true geniuses of the Dark Spirit Domain, especially those who were good at runes, so he even allowed up to three spellcasters to unite and use the rune disk to break through the level.

It's just that, even so, it is too difficult for a spellcaster below the fourth level to defeat a seventh-level caster, no wonder it has been a thousand years. No one in the Dark Spirit Realm has been able to break through the seventh layer, not even the sixth layer.

The strongest is the same as Claes. They only passed through the fifth layer, but they didn't defeat the guardian spirits of the sixth layer.

"Alright, let's go to the second floor. ”

After the big black dog finished speaking, his figure instantly collapsed, and then, from the vermilion stone pillar, a white light immediately flew out, enveloping Merlin.

"Huh".

When Merlin's figure reappeared, he had already reached the second level of the Rune Tower!

There were still a few vermilion stone pillars in the second layer, and Merlin was already familiar with the environment inside the rune tower, so he immediately stood in the middle of the vermilion stone pillars, and soon, the mysterious runes condensed the guardian spirit of the second layer, a fat squirrel.

This fat squirrel has a terrifying tail that sweeps across it so fast that it's hard to guard against.

However, this attack can't hurt Merlin at all.

Merlin then casually cast a third-level spell, defeated the guardian spirit on the second layer, and continued to the third layer of the Rune Tower.

The guardian spirit of the third layer is a very terrifying white spider, this white spider will spit out tough white spider silk, and there is a strange smell on the spider silk, as long as you smell this smell, it will make people feel paralyzed.

It was also very easy to deal with this spider, Merlin directly used the fire of disintegration, and easily burned the spider to ashes, defeating the guardian spirit of the third layer.

Next, Merlin successfully ascended to the fourth floor of the Rune Tower, but this time, Merlin ran into the three spellcasters he had seen on the first floor before.

These three spellcasters are all fighting against the guardian spirit of the fourth layer, a powerful black giant wolf.

This black giant wolf is extremely fast, and its body is tough, and even ordinary fourth-level spells, it can resist many times, and only by continuously attacking a certain place can the giant wolf be harmed.

Merlin watched the battle of these three spellcasters from the side, these three casters were actually four-system spellcasters, and the spells they constructed were quite good, so even if they faced this black giant wolf alone, they could defeat it.

Such three spellcasters, although they are not brilliant geniuses like Claes, they can definitely be called elites, especially in a small spellcaster organization like the Dark Spirit Domain, they must be the focus of training.

But these are three elite spellcasters, now united, and it is obvious that they are going to attack the fifth or even sixth layer of the Rune Tower!

"Bang".

Finally, the three casters jointly released spells, one restrained the black giant wolf, and the other two casters seized the opportunity and frantically released attack spells, defeating the black giant wolf in an instant.

"Finally made it through the fourth floor...... However, this is only the beginning of our test, let's go, enter the fifth layer!"

The three spellcasters, led by Mage Envia, glanced back at Merlin, their expressions showing a hint of eagerness, and under the white light, the figures of the three disappeared again.

Merlin frowned and looked overhead, he could see that if there were no special means, the fifth layer would be the limit of these three spellcasters, and it would be impossible to pass through the fifth layer!

"It's my turn!"

Merlin looked at a few vermilion stone pillars, but a relaxed smile appeared on his face, perhaps for ordinary third-level spellcasters, breaking through the fourth layer and facing the guardian spirit comparable to that of a fourth-level spellcaster is the beginning of the real test.

But for Merlin, the fourth or even fifth floor is no different from the first to third floors he has broken through!

"Whoosh".

Merlin quickly stood in the middle of the stone pillar, and gradually, the white light emitted by the mysterious runes quickly converged into the air.

Gradually, the figure of a black giant wolf appeared in mid-air! (To be continued......