Uncle Rick owns Percy Jackson and I do not own Highschool DxD.

Warning: Annabeth and Percy are not together but are rather siblings. Also contains elements from Dragon Ball Super.

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"...Yes, Mom."

"Make sure you take care of yourself and I'll see you when the new school year starts."

A sigh was heard from the teenager in response. A glare that quickly graced his mother's features quickly forced him to backpedal "Right. Gotcha, Mom." Was his sheepish reply as his mother's glare softened.

"I love you, Percy."

"I love you too..."

Raising his hand, Percy Jackson swiped his hand through the rainbow colored mist, disconnecting the Iris Message to his mother. A deep breath exhaled through his nose as he ran his a hand through his raven colored locks.

"What to do..." He murmured softly to himself as he began pacing back and forth in his father's cabin.

Percy stopped his pace in front of the mirror and stared at it. He immediately noticed the grey streak of hair, from his time holding up the sky when he was 13 on a quest to save the Goddess Artemis and his friend Annabeth. Next he noticed his sea-green eyes. They almost seem to glow with power in the darkness of the night. Which followed to the purple bags under his eyes from the constant nightmares and dreams.

Demigod dreams.

Percy hated them.

They could potentially sgow the past, present or even the future but for the last four days, Percy had been having the same reoccurring dream.

A dragon.

A very big dragon.

One that spanned about a hundred metres in length with deep scarlet red scales covering it's body. A large horn and spikes that almost looked to be made of gold on it.

Percy shook himself from his idle thoughts as a knock came to his cabin's door.

"Come in."

The door creaked open to reveal his mentor, Chiron, standing a his full height

Percy walked over to greet the old instructor.

"Percy, my boy." Chiron began, "How have you been getting on?"

The son of Poseidon shrugged. "Well enough, Chiron."

The old trainer raised a brow in question, "What about your dreams?"

Percy shrugged again, "They haven't been bad as of late."

Old eyes carfully watched the young Sea Prince, considering whether or not to believe him. "Would you mind letting an old centaur know what's been happening in these recent dreams?"

A tired sigh was heard as Percy told his mentor about the large red dragon, that it seemed to fly in an endless void and would occasionally do tricks or stare at Percy, which unnerved the young demigod. A lot.

A troubled look settled on Chiron's face, "Unusual." Chiron muttered, " Percy, if these dreams continue tonight would you mind letting me know when you wake up?"

"Sure, no problem." Percy nodded.

Chiron straightened himself, relief visible in his stance. "It'll be fine, my boy. I'm sure these dreams are just some one off from the normal demigod dreams."

Percy nodded slowly but couldn't help but feel as if Chiron was holding something back. The way he look troubled by Percy's dream, it almost made him believe tthat Chrion knew exactly who this dragon was.

Percy was broken from his musings when Chiron laid a gentle hand on his shoulder.

"Rest assured, it's fine. Sleep well, Percy."

Removing his hand, Chiron shut the door of Cabin 3 leaving Percy to his own thoughts with only the soft splashing the water fountain across the cabin made as his company.

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In the early hours of the morning, a groan escaped the lone resident of Poseidon's Cabin. Percy turned in his sleep, sweat matted his forehead indicating his discomfort.

Another groan was heard as the son of Poseidon rolled in his sleep again.

"Who are you?" Percy whispered in his sleep.

In response to his question, a scarlet red glow surrounded the 16 year old. A dim light quickly brightening until it shined out the windows of Cabin 3 and across Camp Half-blood.

After what seemed like hours, the scarlet light extinguished leaving an empty bunk in the Poseidon Cabin, with only warm bedsheets as evidence that anyone was there.

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Percy felt like he was floating. Which was weird considering he should be in his bunk at Cabin 3 rather than lake, which he did sleep in on the odd occasion.

Slowly, Percy's eyes fluttered open to large green reptilian eyes staring at him.

It's safe to say that Percy had never screamed like a frightened little girl in his life so accurately before.

Blink.

A loud grumble was heard, shaking the void surrounding Percy which by now had just discovered himself to be in.

Wide-eyed, Percy saw nothingness around him, except the large red dragon that floated no more that a hundred or so metres away from him. Percy stood up shaking and looked down to see that he was standing on nothing.

The hero of Olympus gulped uneasily and reached into his pyjama pants pocket to feel no familiar capped ballpoint pen.

"Looking for this, boy?" A deep baratone voice was heard, echoing throughout the empty void.

Percy flinched, raising his gaze to land on a floating pen.

Riptide.

Anaklusmos.

The sword that had been forged by the late Lieutenant of Artemis, Zoë Nightshade. The blade that had tasted the immortal essence of Gods, Titans and Giants. Not including the thousands of monsters the son of Poseidon had slain with it.

Reaching out, Percy wrapped his fingers around the disguised weapon. A sigh of relief was heard as the Sea Prince uncapped the pen for it to transform into a 3-foot-long, Celestial Bronze blade. Perfect balance for Percy as he swung the blade a few times in nostalgia.

"Don't hurt youself there." The same baratone voice drawled, amusement flooding it's tone.

Percy visibly jumped, forgetting that the giant scarlet-scaled dragon was with him.

Surprise quickly formed into annoyance, "Hey! I'll have you know that I've battled immortals and monsters with this blade!" Percy spoke, wiggling Riptide in his hand at the dragon to emphasize his point.

Another grumble rocked the void, which made Percy realise that it was the dragon chuckling.

"And yet you look and play with it like a hatchling who has just learned to breathe fire for the first time." The dragon retorted.

Percy narrowed his eyes and leveled his blade with the reptile's eyes, "Who are you?"

A snort was heard, almost making Percy fall over at the sudden shaking.

"The Olympians have done quite the job shielding their children from the rest of the supernatural and mythological world."

"What's that supposed to mean?"

A grunt shook the void, "The Greek Gods and the Roman ones too decided some millenia ago that their children should not come into contact with the rest of the supernatural world."

"By supernatural, do you mean-"

"-Other pantheons. The Norse, Egyptians, you know. Those types. Let's not forget about the figures of the Bible either." The dragon interrupted.

The son of Poseidon's jaw dropped, "You mean like God? Like the OG guy? The big G. O. D. is real and alive?!" Percy exclaimed in disbelief.

"Well..." The scarlet reptile began, "Not anymore." It finished bluntly.

Confusion settled on the hero of Olympus' face, "What?"

The void vibrated as the dragon hummed, "Quite a while back, there was a war-"

Percy scowled. He hated wars. He lost too many people due to them.

"-The three factions of the Bible. Angels, Devils and Fallen Angels. Were at war with each other, for some reason or another. I couldn't careless to be honest..." The dragon trailed off without a care. "Anyway, God died. So did Jesus and the four Maous of Hell. Lucifer, Leviathan, Beelzebub and Asmodeus."

Percy opened his mouth to speak but closed it in thought. The son of Poseidon leveled his gaze with the reptile's. "If they are dead, who is managing Heaven and Hell?"

"Michael. One of God's Seraphs is doing a fine enough job maintaining order in Heaven while the Devils selected four new Devils to carry the names of the original Maous. Meanwhile, Azazel is still alive and the Governor-General of the Fallen Angels."

Percy frowned. "How do you fit into all this?"

The golden-horned dragon raised itself to it's full height, which intimidated Percy a lot.

"I am the True Red God-Dragon Emperor. The Dragon of Dragons. The Dragon of Apocalypse and Dreams. I am the Great Red." Great Red bellowed in pride.

"Right..." Percy nodded unimpressed, "That was anticlimactic."

Great Red bellowed in laughter, "Yes, I suppose it was, Perseus Jackson."

"Percy." Poseidon's son corrected automatically. "Wait. How do you know my name?"

If dragons could raise eyebrows, Percy would've been sure Great Red to have done it then and there.

"I am the Dragon of Dreams. I know everything. From your first word to your first monster to your latest battle."

"Oh..."

"Oh indeed."

Percy gathered some courage and asked what has been on his mind since he started talking to Great Red, "Ok then, Dragon of Apocalypse and Dreams, explain why I've been having dreams of you for the last few nights?"

"I was scouting."

"Scouting?"

Great Red's giant head nodded.

"Scouting for what?" Percy questioned.

Viscous teeth glinted in the void, "Why for my Horsman of Apocalypse, of course."

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What do people think? Worth continuing?

I literally thought of this last night and had to write something down for it.

Let me know what you guys think!

Peace,

Heir-Emerald