OP76: The Might of Dark Lightning

"Veyron, you are indeed strong. But you should have realised by now this power is not common!"

The power of the two fruits merged together, giving birth to a black lightning that Veyron swiftly evaded

The strike of black lightning sank into the forest, swallowing everything in its park like a singularity!

'What is going on, he mixed the two fruits!?'

Veyron frowned, Lightning and darkness merged together... even Blackbeard had been unable to mix his two fruits. He readied his sword to receive another of Peter's strikes, but they were weaker... the man was on his last breath.

A black lightning sword clashed against him, Veyron blocked, released the sword and ducked to deliver a blow to Peter's abdomen.

*BOOOMMMM!!!*

Frustration was paramount as Peter saw himself be thrown yet again helplessly in the battle against this boy. It didn't matter what he tried, the end result was always the same, thrown away like used rags. The skull mask man groaned and transformed into a black lightning bolt, outraged and filled with ire.
'WHY CAN'T I REACH HIM!?'

*BOOOMMM!*

His movement resonated like thunder and Veyron prepared to receive him, increasing the pressure on the atmosphere a bit more, but keeping the forcefield cage around the upper yard was taking a huge toll out of his 4th Haki. 
Before Peter Hornigold could reach Veyron, his body materialised and he fell on the floor, groaning like an injured beast who was undergoing torture and spitting blood.

"HAAAAA!!!"
He twisted and coiled like a headless snake, Veyron saw black vapour coming out of his mouth. He sighed and placed the sword against his neck.

"It seems even your body can't take two devil fruits... I understand now, it had to be either a zoan or a paramecia, it couldn't be other logia, otherwise, you'd die".

"Ugh, it is because you're too strong, bastard... I never thought... you would be able to fend off the two of them... at the same time".
Peter panted, kneeling down and ready for execution, he couldn't do anything else... his body was perishing from the inside under the influence of two fruits. A person couldn't be darkness and lightning at the same time even the trick of the Yami Yami no Mi wouldn't accept this aberration of nature.

"Don't worry, after you die I'll give those fruits a good usage".

Youbi coated in armament Haki and descended, ready to reap a life, but Peter still had one card under his sleeve.

"I won't go down so simply!!!".

*RUMBLE!!*

His body began growing in size like a dark bomb with black lightning being released. Veyron's sword mercilessly beheaded the man's head, ending his life... but the body continued to grow in size.

"Self-destruction!?"

He groaned in annoyance, his Psychokinesis was already focused on a forcefield around the area covering a third of the upper yard.

'This is going to be so problematic'.

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The white-haired boy grunted, manipulating the man's ever-growing body as he shot to the skies like a rocket.

*BOOOMMM!!*

Going deeper into the skies he saw what looked like a coiling snake, except it was a tree coming out from the Upperyard, it had many levels and in the highest one, he witnessed the famous golden bell from the tale of Noland the Liar.

He went past it, flying higher up the skies and leaving a concerned Hancock and Primrose behind. When he was high enough, he placed a few forcefields around Peter's body, but there wasn't enough time by then the man's body had morphed into a ball of black lightning that seemed to be corroding the very light, turning the day into dusk.

*BOOOOOOOOOOOOOOOMMMMMM!!!*

It was a devastating explosion in the form of a black lightning thunderstorm, all of his forcefields shattered except for the gigantic one covering the Upperyard which cracked significantly.

Hancock, Primrose who was stepping on the corpse of the white tiger looked at the explosion with worry, feeling showers of despair and negativity wash them over. That was the energy of that devilish fruit. The whole sky had turned pitch black as if to challenge the authority of the sun.

The black lightning thunderstorm lasted for several minutes, the scarce lightning strikes that fell in their direction shattered the land, leaving gnashing black marks on the soil that would never recover. Eventually, the storm receded and the day returned brighter than ever, the nightmare had finished.

*BAANGG!*

Veyron fell next to them, grunting and with half of his body covered in armament Haki and burning.

"Veyron!".

The boy's Haki receded and what they saw was a humongous burning mark that covered from most of his right shoulder to his waist.

"Are you okay?!"

Primrose's motherly concerns flared, she discarded the corpse of the white tiger and ran towards Veyron who felt the scar burning in disbelief. Even when he covered himself in armament haki, the darkness still burned him to this degree.

"That was dangerous..."

"Impossible... you survived" the 'corpse' stated with a small shriek of disgust and that was all Primrose needed to grit her teeth and flicker towards it.

"W-Wait!".

She pierced Guernica's chest and yanked out his heart too, everything in front of a frightened Stussy and an indifferent Tsuru whose eyes were still fixed in the skies that seemed to dawn in a new light.

The man's eyes saw their last light before they lost life, like the countless people he had slaughtered under oath for the government. His body went back to its humanoid shape, but the hole in his chest would never heal.

It was then that Primrose tossed it aside, crushed it and began walking towards a shivering Stussy, If before she was angry, now that her baby had been 'marked', she felt even worse.

Veyron didn't pay any mind to this new big burning scar, but the same couldn't be said for Hancock and her mother.

"WAIT! DON'T KILL ME!".

Stussy saw herself in the deepest of holes. All of the CP0 members were slaughtered one by one with their hearts yanked out. Peter Hornigold hadn't even left a corpse. The God of Skypea lay on his stomach, the soul had already left her body.

Only she remained, flapping her wings she tried to fly away only to impact against an invisible wall that prevented her escape.

"Now you plead for your life? I thought you were ordering her to help you a while ago. kill all of us, wasn't it?" Hancock mocked and reached her swiftly together with Primrose. Tsuru and Gion chased as well, intending to see the final moments of the last of the CP0 members, an elite force that couldn't be underestimated, all decimated under the performance of this group.

Veyron levitated towards the group shortly after and that was when Stussy's eyes fixed on him with hope.

"Dracule Veyron, I can help you! I CAN BE OF USE TO YOU!".

"I don't need anyone that works for the world government".

"My allegiance is not with them, I'm with Dr. Vegapunk! Please allow me to live, I can be your double spy!".

"Dr Vegapunk? She's talking nonsense" Gion remarked, "It is extremely difficult to reach that scientist".

"This is the truth!"

Stussy's body went back to normal and she took something out of her pocket, it was a Den Den Mushi, this time, the Den Den Mushi had beautiful blonde hair and it was personalised to her. Before making the call though, she looked at the group in front of her.

"You're not with the world government, I can see this... you must believe me" She looked around, all of her comrades in the CP0 were dead, and no one was left behind.

"You were acting quite merciless and cold-hearted a while ago, you saw the citizen of this sky island get struck, and slaughtered mercilessly and you didn't do anything about it" He had a hard time believing anything she said, even if it turned out she was indeed infiltrated in the world government, that didn't change the fact that she didn't bat an eye when the CP0 was undergoing their cruel acts.

"That's because they were here! I couldn't break my act in front of them. If you want me to prove this, I can call Dr. Vegapunk directly".

Veyron's eyebrows raised, it would be a lie if he said he wasn't interested, Vegapunk's identity was one of the secrets in the manga he desired to know the most.

"Are you interested?" Primrose asked him with a slight glare, it was obvious she just wanted to kill Stussy and was waiting for his confirmation.

"... I'm a bit interested".

"How can you prove whoever you call will be Dr. Vegapunk?" Gion joined in the conversation.

Stussy flinched, it didn't look like they were going to believe her even after that.

"If the man is really Vegapunk, I will know" Veyron crossed his arms and landed in front of Stussy, who understood it was time to make her move.

"Pero pero pero~"

"Pero pero pero~"

"Kacha~"

"Yes?".

"Dr. Vegapunk, this is Stussy".

"Oh, Stussy! You haven't come to visit lately... everything is okay?".

"Actually, things aren't so well Dr. I'm calling you because I-I have Dracule Veyron in front of me".

"Oh!? The kid!?"

"That's right... and I'm about to end Stussy's life unless you prove to me you're Dr. Vegapunk" Veyron heard the voice on the other side of the Den Den Mushi, it was an elderly voice.

"Please, don't do anything to her... you can ask me anything you want" The man on the other side changed his tone.

"Very well. In your boreas compass, what is the liquid you used and what are its properties? Unless you can answer me this, she's dead".

"That that... oh? my compass? Hmn... it should be mercurium, a liquid that expands in high temperatures, but in the case of atmospheric pressure it is also malleable and will level itself on the plate, twisting the arrow and pointing at the spot where the atmospheric pressure is the greatest... a flying island that still exerts a certain amount of pressure on the atmosphere around it".

'Mercurium? The name is a bit different but there is no doubt... this is Vegapunk!'

"I... believe you".

Stussy sighed in relief when the sentence was delivered, her life would be spared. On the contrary, Primrose also sighed but she reluctantly moved her palm that was about to end Stussy's life.

"I answered you that question, little Veyron. So now you answer me... are you a lunarian? ever since I saw your wanted poster, I have wanted to experiment *cough* meet you!".

Veyron's body flinched and all of his hairs stood on an end.

"That question shall be answered at a later date!".

"Eh!? That's not fair!".

"In any case, I want you to explain to me who is this Stussy... does that mean you work with the world government?"

Before entering any sort of alliance and allowing Stussy to go scot-free he needed to at least know what side of history they were on.

"Stussy is the first successful clone we created... she's like my little girl. I do work for the world government but I'm not their puppet, Veyron".

"What is your affiliation?".

"... I don't like choosing affiliations, but if I had to choose... the revolutionary army. You tell me, what side are you and your mother on?".

"You know a lot".

"Knowing things is what I'm the best at~".

"Me and my mother, huh? I don't know what she intends to do or how, but I only want to make this world a better place... does that answer satisfy you?"

"Of course, that means you're like me. So, what do you plan to do now? I'm surprised you could evade Guernica, Gismonda and Peter this long".

"About that Dr... he and his crew slaughtered every single member except me".

"Ah!?".