This dark river is located at a very deep underground level, and the underground water system extends in all directions, but there is a main stream, which can go straight to the periphery of the demon domain.

However, no one has ever explored its source, because it is not known where it leads to, and what kind of unknown dangers there are in that place, and the monks who have always been on a mission have not explored it.

Yu Yilie had already escaped into the depths of the dark river at this time, wrapped in a faint spiritual power shield, isolating the water flow.

There are gray-white rocks all around, there is no possibility of surfacing the surface at all, the front is dark, only some stones at the bottom of the water exude a little bit of light to refract around, fortunately, the water flow in the dark river here is relatively gentle, Yu Yilie slightly identified the direction of the water flow, and went downstream.

However, just as he swam to a bend and was about to continue moving forward, his eyes suddenly found a large black shadow swimming quickly from the corner, and Yu Yilie couldn't help but be startled when he saw this.

"There are monsters under this water?!"

With an exclamation in his heart, Yu Yilie hurriedly urged his mana to turn back, and at the same time, his spiritual sense emanated, sensing what was in front of him.

I thought it was a black shadow thrown by a demon beast, but unexpectedly, under his spiritual sense, the large black pressed thing turned out to be composed of black creatures the thickness of an index finger.

The backs of these little things are swarthy, but there are tiny red lines of things distributed, the whole body is like a leaf, and the abdomen looks snow-white, but it is covered with dense dish-like tentacles, Yu Yilie can't help but feel numb in his scalp, and hurriedly accelerates and retreats.

Bloodthirsty demon leeches, first-order demon beasts, the strongest strength is only the first-order Great Perfection, and the spiritual intelligence is almost equal to zero, but there is a terrifying instinct, that is, bloodthirsty!

The one that swam over alone was no less than a thousand! In other words, Yu Yilie had become the target of a thousand first-order demon beasts in the blink of an eye!

Thinking of what this thing was, Yu Yilie was horrified in his heart and urged the mana to go upstream, if he was caught, he was afraid that he would suck it dry in an instant.

"His grandmother, that son of a bitch actually withheld such important information!" Yu Yilie cursed angrily in his heart, but when he saw the blood leech group speeding up towards him, he couldn't help but quickly speed up and flee upstream.

If there were only one or two of these things, he would naturally not be afraid and could be pinched to death at will, but with such a large group, he didn't even have the courage to resist.

As long as he is caught up, these things will surround him, first suck his mana dry, and then devour his whole body blood, using his body as nourishment, leaving countless eggs, and then hatching thousands of blood leeches, thinking about Yu Yilie feels terrifying.

The mana was in full swing, and at the same time, he used his hands and feet together, swimming frantically.

If it was on the ground, he wasn't afraid, the point was that it was underwater! And it was full of rocks on all sides, and now he only hoped that he would find an exit and escape to the shore.

The Earth Dragon's Lair is definitely not good, maybe it is still waiting for him on the shore!

If you go back the way you came, you will definitely be caught.

At the moment, only by running to the water source, maybe there is a slight chance to find an exit!

However, he is cultivating the fire attribute exercises, and his strength under this water is greatly reduced, and he can't cast a spell at all, even if he has a fireball charm, it doesn't matter.

Rushing upstream, Yu Yilie saw that the leech group was getting closer and smaller, and he couldn't help but use all his strength to eat, as if he had turned into a big catfish under the water and fled wildly.

I saw that in the underground dark river, a large group of black and suppressed blood leeches gathered into a ball, swimming rapidly in the water, chasing a black mist in front of them.

They didn't know what it was, but they could sense that it was flesh and blood, and they were willing to let it go.

At this time, Yu Yilie, who was desperately swimming forward, suddenly found that a large piece of light was projected on the roof of the cave not far ahead, and he couldn't help but feel happy in his heart.

Found the exit!

Seeing that the exit was right in front of him, Yu Yilie could not take care of the unknown danger, and he was thankful that he could get rid of the large group of vampire leeches behind him first.

"Poof!"

Yu Yilie jumped out of the water in an instant, took a quick look, and saw that there was silence around him, and after nothing existed, he jumped onto the shore.

"Huh~Huh~ I'm tired, his grandmother's chase has been chasing me for a long time, and I'm scared to death. Standing on the shore and looking at the water, Yu Yilie couldn't help but cross his waist with one hand and wipe the water droplets on his face with the other.

But seeing that in the clear and transparent river water, a black shadow slowly emerged, getting closer and closer to the water, Yu Yilie's pupils couldn't help shrinking, obviously very jealous, and hurriedly retreated more than a foot.

This group of leeches chased all the way, and he swam all the way, and he didn't know how long he swam.

The creatures swam near the surface and wandered around, apparently knowing that their prey was nearby, and some of them squirmed and climbed ashore following the trail of the water where he had landed.

As soon as his eyes changed, Yu Yilie hurriedly urged his mana to shoot a fireball towards the blood leech, which immediately burned its limbs and writhed wildly.

However, when these things came ashore, they were obviously extremely slow, and they were soon burned into char by Yu Yilie.

Seeing this, Yu Yilie slowly breathed a sigh of relief, took off the black mist cloak and put it in the storage bag, and dried the robe as soon as his mana was lucky.

Immediately, Yu Yilie approached some shores slightly, and his eyes squinted slightly at the group of leeches on the water that refused to leave.

I can't help you under the water, but on the shore, hehe...

Yu Yilie held his hands flat in front of him, and quickly urged the mana to condense a fist-sized flame, but this was not enough!

His mana was continuously poured into these two fireballs, causing them to grow rapidly, and at the same time emitting terrifying heat.

The air gradually became slightly distorted, and the leech group also sensed the change in the temperature of the water surface at this time, and began to dive down a little.

Seeing this, Yu Yilie couldn't help but stare at him, and the two fireballs that had grown to the point of grinding discs were suddenly thrown out by him, one left and one right, and struck towards the leech group.

"Zizi~" The water surface suddenly boiled, and countless water vapor was evaporated by two super-large fireballs.

In the blink of an eye, two fireballs collided, enveloping the leech swarm.

"Bang!" There was a dull explosion, and the impact of the two fireballs under the water suddenly turned into a violent shock wave, shaking the river into a huge wave.

It wasn't until the water surface returned to calm that Yu Yilie looked at the bottom of the water, where there were any blood leeches, all of which were incinerated by him.

"Phew, finally cleaned up these hateful bugs, it really scared me to death today. Yu Yilie muttered to himself while looking at his surroundings.