Demonic Dragon: Harem System

When the message appeared, Strax's face froze for a mere second, but it was enough for him to be hit.

The blow was so powerful that it completely shattered the scales enhanced by his assimilation with Tiamat, and it also... severed Strax's arm.

"Uuugghhhtt!!!" he screamed in pain, gritting his teeth to endure it as he assessed the overall situation...

'This isn't going to work!!' he shouted internally, seeing that not only was he injured, but Beatrice, Monica, and Samira also had some wounds. Rogue and Veronica were relatively okay, but their mana was dwindling with each passing second.

[Danger!!]

"KRRRIIIIIII!!!!" With the scream of the Demon Spider, a wave of dark, pulsating energy emanated from its body, throwing everyone against the rocky walls of the cave.

The impact was brutal; the creature's murderous aura began to seep into their minds and spirits, causing everyone to tremble in fear.

'Ouroboros! Grant me the manipulation of Black Ice; I will seal it!' Strax shouted to his Dragon, who could do nothing but agree...

[Ice Manipulation evolved into Black Ice Manipulation]

"She... she entered Berserk mode!" Samira gasped, forcing herself to rise despite the pain. But Strax completely ignored her.

'Maybe I won't make it out of here alive... pff... I was arrogant... at least you all survived...' Strax thought as he saw the image on his system screen...

[Global Class Demon Boss: Buer, The Twelve-Legged Demon Spider]

"You all… get out of here," he ordered, his voice unyielding, though he struggled to control the pain coursing through his body. His black ice arm slowly took shape, hardening to replace what had been lost.

"No! Strax, we're not leaving you here alone!" Samira shouted, the pain evident in her eyes but her determination unwavering. Beside her, Beatrice and Monica refused to retreat, even with their strengths depleted and their bodies injured.

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"Strax, stop this! Don't even think about sacrificing yourself!" Rogue interjected, her eyes blazing with indignation.

But Strax was already resolute. With a swift movement, he raised his hands and summoned the magic of Black Ice he had just mastered, forming dark crystals around them. "Forgive me. This is the only way to ensure you stay alive."

Before any of them could react, the black ice spread like roots, enveloping each of the warriors in icy cocoons. Their resistance was palpable, but the black ice seemed to absorb their energy, dulling their efforts until they were completely sealed.

"You need to live," he murmured, his voice heavy with emotion, as he watched them finally immobilized but safe.

Now, alone, he faced the Demon Spider, which advanced with the destructive energy of a being in Berserk mode. The creature wasted no time in launching one of its deadly legs toward Strax, who narrowly dodged, focusing on channeling the manipulation of Black Ice into his swords.

'Maybe I won't make it out of this...' Strax thought, feeling the crushing weight of Buer's aura as the system continued to emit danger alerts. 'I was arrogant... at least you all survived...'

With a fierce shout, he unleashed a strike with all the remaining energy he had, sending a blast of black ice that exploded against the creature, momentarily freezing some of its legs. But Buer did not hesitate; with a roar, it shattered the ice around it and delivered a direct blow to Strax, sending him crashing against the wall, where he collided brutally.

Feeling his vision blur, Strax realized he was nearing his limits. His dragon scales and black ice arm were beginning to give way. The rocky floor seemed to pull at him, the weight of pain and exhaustion impossible to ignore.

"Let's see how long I can hold out," he murmured to himself as he prepared for the final confrontation. With a war cry, he charged at the Spider, channeling all of his newly acquired power into every strike and movement.

The claws and fangs of the creature attacked him in a frenzy, forcing him to dodge and block with a speed he could barely maintain. With his Black Ice arm, he managed to strike one of the monster's legs, freezing it instantly and shattering it into pieces.

But the Spider didn't seem weakened.

"KRIIIII!!!!" It let out another scream, unleashing a blast of demonic energy that hit Strax squarely, tearing through his armor and opening deep gashes in his body. He fell backward but immediately got back up, driven by the fierce determination to protect the women sealed in ice.

Each blow he landed was a fraction of what he needed to win, yet he kept fighting, even as the pain intensified and his vision began to darken. He knew his body was at its limit, but there was no other option.

With every second, the battle grew more brutal and desperate. Strax unleashed one last blast of ice at the Spider, sealing one of its legs to the ground, but Buer used its other legs to free itself and charged violently, throwing Strax against the wall with an impact that shook the ground.

He was nearly out of strength, barely able to move. His Black Ice arm was shattered, and his body was covered in wounds. But as his eyes began to close, a message appeared before him, glowing on his system screen.

[You have completed the requirements. Updating Definitive Lineage...]

Strax felt a new wave of energy within him, a primordial force he hadn't known he possessed. His blurred vision began to clear, and he realized something inside him was changing, evolving.

His lineage was being updated, which meant he could gain a new chance, a final opportunity to face the Demon Spider and win.

"You can't die!!!" Strax heard a cry from within him... It was... the little Dragon, Kallamos, shouting.

"That's right! Stop thinking foolish thoughts!!" Ouroboros shouted in unison, "You have to learn to trust your future wives more!" Tiamat yelled, and...

[The Dragon of Infinity is offering you its Lineage]

[The Dragon Queen is offering you her Lineage]

[Requirements for Complete Evolution – The Blood of the Demon Dragon has been created]

[Humanity completely withdrawn by losing human blood, creating Demon Blood from the demonic remnants of the Spider Demon's attacks]

[Absorbing Demonic Energy]

[Abilities being created]

[You have obtained three dragon lineages, merging them into the Demon Dragon Physique]

[Lineage evolved to = Demonic Physique of the Three-Headed Dragon]

With each new update, Strax's transformation was completing.

When Strax felt the intense changes in his body, a new surge of power coursed through his veins. The black ice arm that had once replaced his lost limb began to crack and fragment. Each piece fell slowly, revealing the flesh beneath—not an ordinary arm, but a rejuvenated, stronger, vibrant arm, covered in a reddish hue and scales that shimmered with a dark glow.

The system continued sending notifications, but he barely registered the words. The transformation was just beginning.

[Initiating transformation]

His body began to expand, every muscle fiber strengthening, bones cracking and growing.

He felt a pressure in his chest, as if his heart had become an uncontrollable furnace.

Suddenly, his skin was replaced by black scales with crimson edges, each one shimmering in the light of the Infernal flames that erupted from within him. It was as if he were being remade, each cell of his body recreated to withstand an ancestral, brutal, and relentless force.

His eyes, once human, now burned with an intense gold, the sclera completely black. As he opened and closed his eyes, he saw more than he had ever thought possible—he saw beyond shadows, beyond illusions. For the first time, his senses reached the level of a complete dragon.

Strax felt his teeth grow, sharp and pointed like blades. A powerful jaw that he knew could crush rocks and bones with a single bite. As he ran his tongue over these new teeth, he tasted his own demonic blood, strong and bittersweet, fueling this new form.

His claws grew, sharp and menacing, each one like an unyielding blade, capable of cutting through anything in his path.

He felt... so good...

Ouroboros, with a sharp and teasing smile, crossed her arms and assessed Strax's draconic form. "Now this is what I was talking about. This is the true greatness of a dragon." She winked at him, proud, and gave a light punch to his scaly arm, which didn't budge an inch.

Tiamat, on the other hand, watched him with an intense and ravenous gaze, her eyes fixed on Strax's black and red scales. She took a deep breath, and Strax noticed the husky tone in her voice as she murmured, "You are... absolutely magnificent." She crossed her legs and let out a moan that mixed desire and pride; the crossing of her legs was to hide something simple...

She was completely soaked! And it wasn't just her who was intoxicated, thoroughly excited.

Ouroboros was trembling with arousal, briefly closing her eyes to keep from losing her composure, allowing herself to feel the pulsing energy that filled the cave. His scent, now intensified by his new form, was irresistible; an aroma that blended power, masculinity, and a subtle ferocity.

"That smell… is… intoxicating," she murmured, her voice trembling as she moved closer to Strax. The excitement was palpable in her body, causing her to move more boldly; she was still an animal... seeing such a well-developed male... she was melting inside with the urge to mate. Each step she took toward him was loaded with clear intention, a need that could no longer be ignored.

Ouroboros looked at Strax with burning eyes, admiring his black and red scales that reflected the light in a nearly hypnotic way.

"You are no longer just a man, Strax. You are a dragon… and that is everything I've ever wanted," she said, her rapid breath revealing just how excited she was about his transformation.

"Fuck this shit of a body, when this is over you're going to fuck me even if it's in spiritual form! I need you inside me NOW! FINISH THIS QUICK! AND FUCK ME FOR MILLENNIUMS!" She shouted, the sound reverberating throughout the space.