Reincarnated As The Hero’s Daughter: Wait, Why Is My MP Not Running Out?

"{Dark Geomancy}: {Black Thunder Sword}!"

FLUOSH!

"Huh?!"

"Wha...?!"

Ivy and Sylphy's eyes widened as they saw the black thunder beam that would have ended Ivy's life suddenly twist and transform into a huge sword, reverting its trajectory back to the True Demon's jaws, and piercing them before exploding.

BOOOM!

As the black explosion erupted and engulfed the True Demon, the figure of a girl standing over a giant black spear descended near Sylphy and Ivy.

It was a half-demon girl with long blue hair everyone knew. "Celeste!" Sylphy cried. "W-What was that?! Holy shit!"

"A new form of Alchemy, maybe," Celeste said. "Glad you're doing okay. Love the new look, did you dye your hair?"

"T-This is...?! Aaah, I'll explain it later!" Sylphy sighed. "But that was amazing! You got him good!"

"Yeah, but that thing's tougher than a mountain, watch out!"

Celeste warned them as the True Demon raged behind them, his jaws had been dislocated, but that didn't stop him from using even more of his wicked magic.

"Y-YOUUUU!"

His claws tore through the ground as he suddenly rushed towards the girls, moving at lightning speed. The demonic black lightning he controlled coursing through his body, as several pentagrams summoned miasmic purple colored frost, black chaotic flames, and black demonic thunder at them.

"DIE!"

BOOM! BOOM! BOOM! BOOM!

The bombardment of high-level demon magic was insane, covering their surroundings with countless accursed elements. Sylphy, Ivy, and Celeste had to put their all into simply intercepting and blocking them. Ivy spammed her Spirit Shields the most, giving precious seconds for the two other spellcasters to unleash their magic.

"Celeste, take my Mana too!" Sylphy infused her Mana channels into Celeste, refreshing her immediately.

"Thank you!" Celeste nodded. "Now...! {Dark Geomancy}: {Demonic Frost Fire Thunderstorm}!"

FLUOSH!

Celeste absorbed the incoming elemental attacks and combined them together into a gigantic storm of frost, fire, and thunder that was fired right back at the True Demon, engulfing them on the very elements they unleashed.

BOOM! BOOM! BOOM! BOOM!

"Uuugggh! Y-You can wield my elements?! AAGGHH...!"

As he struggled to get past all the bombardment of attacks, Sylphy was also preparing her magic, combining her spells through her alchemy's synthesis, reaching a new level of possibilities.

This even included fusing Spells with her Spirits through her [Spirit Fusion] Skill!

"Now...! Ignatius! Naturia! Give me your strength!"

Sylphy called for her two Familiar Spirits, as their appearances emerged, transformed anew through her new dark powers.

Ignatius resembled a giant serpentine-like dragon with eight giant arms with sharp claws, and two draconic hydra-like heads with sharp serpent-like fangs, crimson eyes, and purple and black scales, with a crown of purple fire over his two heads.

"T-This immense dark power...! It's amazing! Hahaha! Take it all, Sylphy! Fuck him over! GAHAHAHA!"

His powerful spiritual energies quickly turned into endless spiritual power, fueling Sylphy's mighty spell, she was building something strong, something strong enough to end this True Demon's existence.

FLUOSH!

"Mama, please take my power, and screw that thing over!"

Even Naturia had changed, and her cute attitude had changed into a bratty girl, her cute appearance, resembling a brown-skinned fairy girl with colorful green hair changed, as her skin turned pale gray and her hair black, the plants covering her body and hair turned black and the flowers became red roses, her green eyes turning crimson in color.

FLAAASH!

Then, the two Dark Spirits fused themselves into Sylphy's Spell, as a mass of tremendous dark powers surged, overflowing with flames, nature, and their inversed elements, such as death and even freezing flames.

Then, Sylphy proceeded to fuse it with her other Spells, such as Petit Meteor's corrupted form, and then her Heavenly Blazing Wall dark transformation.

Until, at long last!

"{Demonic Spirit Spell Synthesis}: {Black Heaven's Tree Demonic Dragon Spirit Sword: Gram}"

A new spell materialized within her mind; its name shone brightly as the name of the dragon- slaying sword a hero of the past once wielded.

Gram!

Ignatius, Naturia, and Sylphy's spells combined into a gigantic draconic sword made of black metal-like wood, covered on countless draconic scales, purple, black, and red demonic, dragon, and cursed flames, and overflowing with the pure essence of death!

"Go."

FLAAASH!

The giant blade rushed towards the True Demon was he was annoyed by Celeste's powerful Geomancy Spell and Ivy's Spirit Swords piercing his body constantly.

However, he wasn't weakened enough to not evade a giant blade coming for him though!

"What's that?! I have to evade!"

He quickly engulfed his entire body into black shadows, trying to disappear and evade the blade's trajectory by moving far away to the left.

"That bastard's trying to evade!" Celeste said, keeping her spells to try to annoy the true

Demon.

"This is not good, if that spell doesn't hit in time then this entire place will come down with

Us!" Ivy said.

"Don't worry!" Sylphy smiled, controlling the blade as its immense power rushed towards the true demon. "After all, that blade also has two spirits inside!"

"Where do you think you're going, fucker?!"

"Come here, coward!"

The two furious dark spirits roared, their rage combining in unison with their new demonic spell form. Yet the true demon rapidly generated several mirrors made of shadows, trying to

Evade more and more.

"Tch...!" Sylphy gritted her teeth, feeling the pressure of keeping this spell together in her soul. "Dammit, he's way too good at hiding, what the hell?!"

"Gyahahaha! Your damned spell won't ever hit me, just throw it away already-UGH?!"

As the True Demon was celebrating his victory ahead of time, suddenly, something happened.

Space itself distorted around him, as a domain disrupted his shadows, suddenly beginning to

Break them apart.

"W-What...?! UGH! T-This is impossible!"

And the True Demon's eyes widened when he saw that, even inside of his shadows, giant and burly arms made of black stone and metals surged, grabbing his body and dragging him

Outside of the shadows.

"T-That's...!" Sylphy gasped. "Celica!"

The little, blue-skinned demon girl had arrived just in time, her mana and phantasmal energies connected with her two new, small golems, whose power connected to her and her Golem Domain, creating giant golem arms to drag the True Demon outside.

"You won't escape from your fate!"

Celica roared, tightening the grasp of the many golem arms conjured by her two new little golems, who seemed to possess many fantastical new powers.

The True Demon panicked as the blade reached him, his face distorted into utter horror and disbelief. He, the right hand of a mighty Demon Duke, was going to die by the hands of a band

Of children?!

"N-No...! STOP...! LET ME GOOOO!"

Using his remaining limbs and magic power, he started breaking apart Celica's golem arms,

And barely about to manage to escape!

"A-Almost...! Almost there- GUH?!"

SLAAASH!

But it was too late, the blade not only pierced his head, but sliced his entire body into two

Halves, before engulfing him into an immense blazing explosion.

BOOOMMM!!!

"Gryyyaaaeggghhh!"

Even as he was sliced apart the demon had remained alive, but his entire body was quickly

Calcinated and reduced to burned pieces of flesh, his scream of agony reverberating across the

Entire Miasmic Nest.

The explosion alone caused enormous cracks across the entire miasmic nest, almost at the

Same time as Felicia freed herself from the crystal monsters and Allan suddenly broke

Through the walls, surrounded by a storm of heavenly flames.

"There you are!" Allan screamed. "Now- Ah!"

"It's too late hero!" laughed the Evil God of Dungeons.

Crack, crack...!

CRASH!

The Demon Gate further expanded for over a hundred meters.

As something enormous emerged from within.

A True Demon among True Demons...

"A Demon Duke...?!"

Felicia's eyes reflected the immense, multi-armed figure of a titanic True Demon.

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