The next day, early in the morning.

Su Yu, the Ice Emperor, the Snow Emperor, Norton, Konstantin, and Eri Yi came to the entrance of the valley outside the Eye of Ice and Fire.

The sea of flowers covered by the seven unique flowers of Bilin is filled with a large number of poisonous colorful poisons.

Su Yu stood at the front of everyone, and a low chant sounded, full of rhythm and an indescribable special charm.

As Su Yu began to chant magic, in the surrounding air, rich spatial magic elements converged towards Su Yu, and in the blink of an eye, a faint silver magic vortex appeared.

In the silver vortex, a gray gate slowly appeared, and a dead energy aura emanated from the gate.

At this moment, the surrounding Bilin Seven Peerless Flowers, as if they had been eroded by some special existence, began to wither in large quantities.

Everyone looked at this gate in amazement, and they didn't know why, but when this gate appeared, they felt an inexplicable uncomfortable feeling in their hearts.

"Let's go."

Su Yu said lightly, and then pushed open the gray door.

A world with dark color tones all day long is presented to everyone.

The gray sky, a lifeless sky, a round of purple sun hanging high in the sky, blooming with a strange light.

As far as the eye can see, the earth is desolate and desolate, with no life in sight, and occasionally you can glimpse a few white spots, and I don't know what kind of creature it is.

Dull, dead, depressing!

This is the first feeling that the undead half-plane brings to everyone, but Su Yu has a feeling like returning home, like a fish in water.

Behind Su Yu, the phantom of the Necromantic Saint Law God appeared, and he chanted a few words in a low voice, and a white light appeared on Su Yu's hand, Su Yu waved his hand, and the white light enveloped everyone, and suddenly, the uncomfortable feeling in his heart disappeared.

"Let's go, let's go find the first Undead Monarch first."

Su Yu said, and then released the Spirit of Words.

A faint black light curtain rose under Su Yu's feet like a shadow, and soon surrounded everyone.

Everyone seemed to have disappeared in place, and their figures suddenly disappeared in place.

The undead half-plane is very large, and Su Yu himself doesn't know how big it is.

However, the huge undead half-plane was divided into thirteen parts in a complete and equal manner, and each part represented the territory of an undead monarch.

And Su Yu's target this time was the weakest of the thirteen undead monarchs, the skeleton monarch, Craig.

But even if it is the weakest undead monarch, if the strength is converted to the side of the Douluo Continent, the strength is above ninety-five, according to Su Yu's estimate, it should be about ninety-seven.

However, this time, Su Yu dispatched several Title Douluo-level powerhouses whose strength was comparable to that of level ninety-five or above, which was enough to take down Craig.

But what Su Yu was most afraid of was that Craig couldn't beat him, so he chose to escape to the territory of other undead monarchs.

At that time, if he still wanted to subdue Craig, he would probably have to take another undead monarch with him.

At that time, the pressure on Su Yu will also be very high, so it is best to have a quick battle in this battle, and the premise of a quick battle is to find the other party before the other party finds out, and then launch an attack by surprise.

Because of the use of the Spirit of Words, everyone could not use their own abilities, so they could only walk in the shadow together.

The undead half-plane was very large, and after everyone walked for almost half an hour, they finally encountered a group of skeleton soldiers.

The white body, the two dark and deep eyes in the huge revelation, ignited two dark blue soul fires.

This team of skeletons consists of archer skeletons, skeletons with knives and shields, and these skeletons are the lowest-ranking skeletons, and they have no intelligence to speak of. Only the most primitive instinct of simplicity and obedience to orders.

Su Yu withdrew the dark light, and everyone's figures were immediately revealed, just when the Ice Emperor and the Snow Emperor thought that they and the others had been discovered and were about to take action to deal with this team of skeleton soldiers, Su Yu stopped them.

And after sensing the aura of so many living people, this team of skeleton soldiers suddenly became excited, and all the skeleton soldiers rushed towards Su Yu and the others.

At this moment, the gray light under Su Yu's eyes flashed, and the skeleton soldiers who were originally rushing towards Su Yu and the others suddenly stopped moving, and the two light blue soul fires in their eye sockets also changed greatly at this moment, turning into a light light gray.

The stagnant figure moved again, but this time it was walking in one direction very calmly, as if it didn't see the people behind it.

Everyone knew that this was Su Yu's means, but they didn't say it explicitly, and it was not easy to ask.

"Let's go, follow them and we'll find the location of the Undead Sovereign." Su Yu said lightly, after opening the dark light again, enveloping everyone, and then followed the team of skeleton soldiers at the same time.

Under the leadership of this team of skeleton soldiers, everyone crossed one barren and desolate plain after another, and encountered many skeleton soldiers, among which the skeleton soldiers of the god lord still had the existence of magic skeleton soldiers, and even encountered some other undead creatures, such as: skeleton horses, skeleton magicians, undead messengers, etc.

Soon, maintaining this speed, it didn't take long for the group of skeletons to stop, and in front of them, a tall building appeared in front of them.

It was a black building, and the whole thing was made of black crystal.

Dark Crystal is a special magic material that can be used to craft a variety of magic items, and if used to craft a magic wand, it will increase the power and speed of the magician's release of magic.

Dark Crystal, on the other hand, is a dark magic material, and only works on dark magicians.

The Skeleton Sovereign, as an undead creature, is also essentially a dark attribute, and this building made of dark crystal will have a large amplification for him, especially since this building vaguely echoes the dark purple sun in the sky, which seems to constitute some kind of special magic array.

"This is it." Su Yu said lightly, and then led everyone towards the building.

It has the effect of the dark light, and everyone is within the scope of the dark light, as long as you don't do it, you won't be exposed.

Under Su Yu's leadership, everyone got closer and closer to the building in front of them, and as the distance approached, they could feel the strong defense of this building.

The skeleton soldiers are three steps and one guard, and ten steps and one patrol, if it weren't for Su Yu's spirit of words, let alone finding here, I'm afraid he would have been discovered not long after he came in.

Soon, thanks to the dark light, everyone successfully blended into the building, and at this moment, a shadow suddenly fell from the sky.

Boom!

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