Train Survival: You're really trying to survive!

As her body fell, the unique, bottomless feeling of weightlessness made Su Li's heart pound.

His intense sense of crisis allowed him to concentrate like never before.

Therefore, he captured the sound of flowing water.

[Water?] Su Li's heart skipped a beat. [An underground river?]

My first thought was to consider the possibility of an underground river existing at this depth, given temperatures as low as -70 degrees Celsius.

Su Li immediately stopped thinking about the underground river.

Ideas such as underground rivers, undercurrents, and oxygen began to appear in Zuli's mind.

But time was running out, and they began to hear a lot of splashing sounds; they were already close to the surface.

"Hold your breath!" Su Li shouted in Song Mingyu's ear. Then she pulled Song Mingyu into her arms.

Su Li twisted her waist, letting her back hit the ground first.

Then, with a splash, he fell into the water with Song Mingyu in his arms.

Su Li deeply felt what bone-chilling cold meant. The icy water made everything he touched ache with cold.

As the cold water seeped into their clothes, the pain intensified. Little Su Li, in particular, shivered from the cold.

Song Mingyu's situation wasn't much better.

Su Li circulated the magical energy within her body, converting it to the lunar attribute. This finally felt a little better.

Falling into this kind of water would consume too much solar magic energy, so it's better to use lunar magic; if you can't win, you can join the fight.

After relieving the cold, Su Li realized another problem—his arms were feeling weak.

He had used every ounce of strength in his attack against the Icefish, and now his arm muscles felt sore and aching, making it difficult to exert any force.

He didn't know when he would be able to get out of the water, so he needed to conserve his strength. Otherwise, it would be too unfair if he didn't have the strength to seize a chance to escape.

Moreover, when two people are embracing each other and constantly bumping against each other in the turbulent water, it is easy for them to let go and separate under the continuous impact.

Separating here would further decrease their chances of survival. Song Mingyu isn't as resilient as Su Li, and Su Li lacks Song Mingyu's healing abilities.

With a loud bang, the oxygen tube on Su Li's back broke open due to the impact. The force of the explosion caused Su Li and Song Mingyu to tumble involuntarily in the water. Su Li struggled to splash around for a while and finally managed to steady herself.

Song Mingyu grabbed her favorite white coat and painstakingly used it as a rope to tie the two of them together. Then, like an octopus, she clung tightly to Su Li.

At the same time, she released her magical energy, preparing to unleash her skills.

However, with the two bumping into each other in the water and the extreme cold, casting the spell was extremely difficult.

After failing twice, Song Mingyu finally cast the Rejuvenation spell on Su Li.

The Rejuvenation Spell can continuously restore physical strength and vitality, helping the two people survive this disaster.

Su Li grabbed Shan Qing with one hand and hugged Song Mingyu tightly with the other, burying Song Mingyu's head in her arms.

Using the green glow of the rejuvenating spell emanating from his body, he quickly surveyed his surroundings. He had prepared goggles to protect his vision from the rain during their battle. Wearing them now, he could maintain his sight even underwater.

With a bang, Su Li was thrown against a raised rock, bounced like a billiard ball, and then slammed against another wall.

The road suddenly became narrow and winding.

Because of the sudden impact, Song Mingyu exhaled a breath of oxygen. Su Li looked down at Song Mingyu and realized that Song Mingyu was not in good condition. If this continued, they would either freeze to death or suffocate.

The oxygen tank was damaged in the collision, and in this situation, it's not convenient to get a new oxygen tank.

Zuli looked around anxiously, trying to find a lifeline.

But the underground was pitch black, with walls everywhere, and Su Li couldn't even tell which way was up and which way was down.

Suddenly, the ground began to shake again, and a large number of walls twisted and collided, ready to fall into the water at any moment, like torpedoes, colliding with Su Li and the others.

"If this continues, we can't hold on any longer." Su Li was extremely anxious. Song Mingyu, whom she was holding, was starting to turn purple; she was beginning to lack oxygen.

Just then, out of the corner of her eye, Su Li noticed a glint of light.

In an instant, Su Li had a flash of inspiration and suddenly used the Mountain Slope to dodge to the side.

[A shimmering reflection! There's water there!]

Su Li looked closely at the spot where the light had just been reflected. There was a swaying reflection there, reflecting the dim green light on Su Li's body.

Without even looking, Su Li knew that this life-saving glance was most likely a blessing from her.

Even now, upon closer inspection, he can only vaguely detect the reflection.

Su Li glanced at Song Mingyu again; she had already begun to unconsciously exhale.

Su Li pulled off his and Song Mingyu's masks; he was still holding his breath. As a Black Iron level expert, holding his breath for 20 minutes was no problem. The breath-holding record on Blue Star was 24 minutes. If Song Mingyu hadn't exhaled when she was bumped earlier, she could have held her breath even longer during her healing session.

Su Li immediately activated Mountain Collapse, and a large amount of earth element began to condense on the mountain collapse. With the support of the earth element, he temporarily merged with the earth, making him unshakeable. Otherwise, the already cracked ground beneath his feet would have peeled away layer by layer like an onion under the erosion of the water, just like the mountain wall next to him.

Su Li placed her hand on the Mountain Slope, using its broad blade to protect the oxygen cylinder, and then took out an oxygen cylinder. This type of oxygen cylinder was produced by the system and did not require additional machinery to adjust the oxygen content; its usage was as simple as the high-altitude oxygen cylinders sold in stores.

He put the oxygen cylinder canister directly into Song Mingyu's mouth. Song Mingyu quickly inhaled, and the purple color on her face visibly dissipated.

The mountain tilt can only last for 15 seconds, we need to hurry!

Su Li took a breath of oxygen and then put the oxygen cylinder into her inventory. This whole process took 6 seconds.

The location of the reflection we just saw was about ten meters away.

And this is about ten meters upstream.

Zuli stood firmly on the ground, drawing upon the earth elemental power to maintain the mountain's tilt, and then launched a magical charge forward.

With each step, you connect with the earth, stabilizing your body and propelling you forward.

A large amount of water, carried by the current, rammed into Su Li's body like bullets, and Su Li could only rely on the equipment on her body to withstand it.

But it’s still not enough.

The mountain finally gave way, and the stable ground beneath our feet instantly turned into fragile stone slabs, as fragile as biscuits.

[A sudden storm is brewing!]

Su Li did not forget the equipment and skills she possessed.

A sudden burst of wind-attribute gale erupted from his body, blowing away the surrounding water and a large number of rocks, creating a vacuum bubble in the water.

Taking advantage of the opportunity, Su Li leaped up and used the skill of her boots to move with the wind, rushing into the reflective area she had just seen.

Upon entering, the area was very narrow, but after swimming up 2 meters, Zurich finally saw the surface of the water.

With a splash, Su Li carried Song Mingyu out of the water.

He was breathing heavily, and using the light from his body, he looked around.

This is actually an underground cave.