Aka no Ex
Red Exorcist
Blue Exorcist/Harry Potter crossover

Darksider82
Anyone

Ein: Aka no Ex

Dumbledore stared as Fudge's teacher screeched and raged at the old Headmaster for he had forbidden her to use Blood Quills on students and he had overturned all of the detentions she had laid against Harry Potter.

"HOW DARE YOU! YOU ONLY RUN THIS SCHOOL BECAUSE THE MINISTER ALLOWS IT!"

Harry groaned as he sat in one of Dumbledore's rather comfortable chairs in the corner of the room wearing a short sleeved shirt revealing some intricate birthmarks coloured black rather like tattoo's in the form of claws just finishing above his wrists. The marks made their way down his back forming the outline of wings and down the back of his legs they formed something Harry could only describe as a tail.

The marks had always been a faded red on his pale skin since as far as he could remember and ever since his first year at Hogwarts when he had incinerated Quirrell the marks had become darker and now they were two to three shades off pure black.

"Why am I here Headmaster? Considering you've not spoken to me at all this year." Growled Harry his eyes flashing red as he noticed small flying cat heads and bacteria tails floating around the office. He had never seen them inside the school before.

Suddenly klaxons began to wail "Umbridge...What did you do?" Growled Harry standing up sharply, causing the toad like professor to turn a toady eyes and sickly sweet voice to him.

"You...will...sit...down... ...As...You're...in...deep...trouble." She stated slowly as if talking to a little boy; she never noticed the massive ghost like corpse of her cat emerge from the shadows of the office. Dumbledore did and he opened a draw in his desk.

"Umbridge GET DOWN!" Screamed Harry tackling the toad like professor to the floor as a massive claw gouged a three inch cut into the magically saturated floor of the office.

"What was that! Dumbledore I demand answers! WHAT WAS THAT!" Screamed Umbridge hysterically as the elderly headmaster emerged holding an odachi in an obsidian sheathe with an accompanying chokuto, tanto and a kabutowari.

"Harry, I have no time to explain but you need to have faith in me. Under no circumstances must you ever draw this obsidian black sword...It will reveal a side of you that your mother, father and one of your half-brothers sealed away when you were born. The other weapons are free for you to be used. Also I need you to get away from Hogwarts one of the salt foundations has been destroyed in the North Eastern section of the castle that's why the demons are getting in...Yes demons Harry. You can see them because of your blood and I can see them as I trained as an exorcist...I'm not making sense as I need to help the school." Ordered Dumbledore as he handed Harry a sleek black device.

"That is a mobile phone. Again one of your half brothers made it for you, it's got a number programmed in. When you get clear you are too call that number. The person was your mother's magical guardian."

Harry turned to the demon in the office and unsheathed the Kabutowari "I don't know who you belong to but you're going back to hell!" Harry declared and with one fell swoop cleaved the head off the ghoul.

Dumbledore smirked "Mephisto he really is your brother. The blood of his fathers run thick within him. I hope his mortal father's blood can restrain the blood of his other father."

The headmaster lead the way down the stairs "Into the light I command thee! Cast away the mortal veil and reveal the demons!" Shouted Dumbledore in perfect hebrew as he flung open the doors to the Great Hall. Harry wasn't sure how he knew hebrew but right now he wasn't questioning it as demons were attacking.

At the Gryffindor table the moment the demons were revealed Seamus grinned as did several of the other Irish students. Ireland was located next to a Gehennna Rift of Rot, they had memorised the latin and gaelic verses for booting Rot demons back to Gehenna.

"In the name of Cuchulainn, we send you back with greetings from the Emerald Isles!" Screamed Seamus and several dozen other students launched their own prayers annihilating the Coal Tars with massive bangs of thunder and cracks of lightning.

Harry rallied the school and they slowly but surely began throwing back the minor demons. Harry split the skull of another Ghoul when his unoccupied left hand spontaneously erupted into purple flames "GO BACK TO HELL!"

Seamus's eyes widened he had recognised those flames they were flames from the 'Blue Night' said night had claimed his three older brothers and six entire branches of his mothers family. His mother was the youngest of eight children and Blue Night claimed six of them and their families.

"Harry doesn't need anymore shit...I've given him enough." Seamus thought as the last of the demons were destroyed.

Harry was panting and he eyed his birth marks on his left hand they were now pitch black! "DOBBY!" Harry snapped and the house elf popped into existance.

"How can Dobby serve Master Harry Potter?" Squeaked the elf.

"I need my..." Harry didn't finish his sentence as his luggage emerged with bang.

"Where do you think you're going?" Asked Madame Umbridge in her too sickly sweet tone and Harry decided to be a bit of an ass.

"Away from you. Away from your face. Away from your voice. Away from your personality. Oh and away from your damn ugly family." Snapped Harry his temper threatening to get the best of him.

"And if I refuse to let you go?"

Harry unsheathed his chokuto and held it to her neck "I take your life. You owe me a life debt and taking it would settle it just good for me." Harry rumbled flames dancing in his eyes.

Before Umbridge could say a thing Harry had left the castle. The moment Harry cleared Hogsmeade he pulled out the phone and dialled the number "Johann Faust speaking..." A Japanese accented man said on the phone.

"My name is Harry Potter, my mother was Lily Evans..."

Harry felt something on his back and he turned around and his eyes widened the stranger was garbed in an interesting array of colours of a white suit with a top hat that had a purple and pink ribbin around it; pink spotty neckerchief; white umbrella and purple point shoes "Hello Harry Potter or should I say little brother, I am Johann Faust or Mephisto Pheles..." The man said with an elegant bow.