My Girlfriend is an S-Class Adventurer

The brightness behind the door was so intense that it made the monsters, who were hiding in the surrounding caves, run away in fear.

As Nathalia and Luke's eyes grew accustomed to the brightness, they were startled by what they saw. Further ahead was a giant floating cube, which was spinning on its own axis at a very slow speed.

At that moment, the half-wolf felt the same bad sensation he had felt a few other times, but this time it was so intense that the air seemed heavier.

Besides the cube, there were only rocks and stones, except for the giant lizard, which was resting near the base of the silent cube. The creature's white skin closely resembled that of a dragon. Its scales and skin were almost transparent, which left its organs visible from the outside.

"Nathalia, back off." Luke whispered. The Elf promptly obeyed and began to walk silently backward.

Although the creature seemed to be asleep, the man didn't want to risk the girl's life, because they definitely didn't have the firepower to fight something that big.

The last time he felt the bad sensation he sensed coming from the cube was when he touched the inscriptions in the Giant Spiders' chamber, and that ended up leading to an encounter with Chaos himself, someone the half-wolf now feared without excuse.

"Luke, look," Nathalia warned, pointing to the creature's left.

The man didn't immediately understand why she was pointing there, but after a few seconds, he finally understood. Between the large monster's front paws was a black egg that perfectly matched the measurements given in the mission. The object was so black that not even the intense glow of the cube reflected off it.

'It's definitely the egg we were looking for.' Luke determined. The smell was still quite strong in this chamber, even among so many terrible smells. 'If that lavender scent is still so intense, it means it's only been here a few hours.'

If before he was skeptical if they could really find an egg in a Dungeon, now he was sure that that egg was worth a lot, not only because of its appearance but also because it was found in such a strange place.

'I have to get it. If it's worth hundreds of thousands of gold coins, the gang may not have to risk their necks to get out of this life... well now with my work they can have a quiet life, but it's still not enough to fulfill their dreams.'

After a brief whispering discussion, Luke convinced Nathalia to back off while he advanced toward the egg.

Crouching down, he progressed slowly as he entered the giant cube chamber, which was over two hundred meters long. The chamber was cold and hot at the same time so this temperature change caused the man to feel numerous chills.

When he was a hundred meters away from the creature, he looked back at Nathalia who was already near the mouth of the cave tunnel that allowed them to get there.

"Sigh..." He sighed in relief because he didn't even know what would happen to him if the girl suffered any harm. 'Forget about that now, I have to focus on getting that egg...'

However, Luke didn't notice one important thing: the closer he got, the more the cube emitted white rays.

As soon as he got within fifty meters of the creature, pops could be heard, similar to the cracking of something, which made him finally look up, and when he saw that the cube was slightly cracked, emitting small beams of light.

He stood up ready to run from there because the situation looked like it was about to get very ugly, but the moment he looked ahead he saw that the lizard had awakened and was running towards him.

The monster had big red eyes, whose vertical pupils were more frightening than the back of the Giant Spiders that Luke had previously faced.

GRRRRRRRRRR! The lizard roared running towards the boy while swinging its large tail, which looked more like a colossal sword.

Luckily, Luke chose to use his scabbard inside the Dungeon rather than from the inventory, because using the skill would require a few seconds.

When he drew his saber, the distinctive clang of the sound of his blade announced that he was ready for the fight. Although the half-wolf didn't have time to mount a better defense, he tilted his sword so that the larger side would take most of the damage, and it worked.

Still, the monster was so strong that his blow had enough force to hurl Luke against the right side wall of the chamber.

Buried among the rubble, the half-beast smiled excitedly. "You are one strong motherfucker indeed, eh... Puftt!" He spat blood on the rocks beside him.

Walking as if he was fine, the half-wolf rotated the muscles in his shoulders one at a time, however, the creature kept running for the exit, oblivious to the man's presence.

"What... was that? Is he scared?" He questioned confused, scratching his left ear with his left hand.

Brooom! The huge white cube let out a pulse of energy, which made its cracks widen further. Immediately, Luke thought about running in the same direction as the creature, worried that it might go after Nathalia.

However, he looked under the cube and saw the black egg still there, toppled over. That item could save his life from all the trouble he was in if it was Summoner's egg.

Without thinking too much about what might happen to himself, he ran towards the egg, which in moments turned out to be the wrong decision, because there was a reason for the Southern Albino Lizard to run away from its usual lair.

Seconds later, an explosion could be heard by Nathalia, and a blinding flash reached the cave she was in. BOOOOOOOMMM!

With ringing ears, the Elf ignored her companion's orders and turned all the way back to the way she had come when parting with Luke.

When she arrived in front of the colossal door, she saw it was closed and nothing had changed around it. To make matters worse, there was no sign of the half-wolf.

She tried to open the door in various ways, using her strength, abilities, and even her Panspermia spear, but nothing was able to open the door.

"Where did Luke go?" she wondered, almost to the point of tears, after all, he was her first and only friend so far.

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