2 Chapter 1- Demon Summoning

Beelzebub opened his eyes, taking a deep breath of air as he once again returned to the mortal world. His eyes scanned the surroundings, the dark orbs noting down the blood stains on the floor and the captured child in the room. In front of him stood a young man with who looked at him with an awestruck expression, seemingly disregarding his surroundings.

His mind came to a conclusion in an instant, but he would have to confirm it first. With an inhuman grace, Beelzebub bowed and then introduced himself.

"I am Servant Caster, the God of Darkness Beelzebub, also known as the Lord of Flies. Who are you to summon one such as me, and what is your purpose?"

The young man rubbed his head with a frown, and seemed to be taken aback by the question. Mulling over his thoughts for an answer, he introduced himself in a questioning manner.

"I'm Ryuunosuke Uryuu, currently working odd jobs. My hobby is murder of all varieties and I like kids and little girls." the man named Ryuunosuke answered, as if his words were completely normal.

To a man like it probably was, considering what type of person he was in his past life memories. The confirmation that the knowledge was true was an huge advantage, but he could get back to it once he was done with this situation.

"That answers the first question but not the second one. Why have you summoned me? I doubt you know what the Holy Grail is, so instead I ask what personally motivated you and your actions."

Beelzebub watched with disgust as a passionate look appeared on Ryuunosuke's face, as the man began to explain his reasons.

"I knew you would ask the right questions. The answer is, I want you to kill people! Death is so fun to watch, especially when they know that I'm the one who killed them. As a demon, you should know exciting ways to kill people right? I want to see, because it would be so COOL!" Ryuunosuke exclaimed as he talked about his hobby.

This man was complete scum that needs to be wiped out from the face of the planet, Beelzebub realized. Having all the information, he could conclude that this guy needed to go, so he had no guilt over his next actions.

"So you like death, huh?" Beelzebub asked with a malicious tone, which was completely ignored by the serial killer who was of in his own world.

"Yeah, death is the be-"

Ryuunosuke stopped speaking as an incredible pain tore through his chest, and looked down to see a hand submerged in it. Looking back to the source, the hand belonged to the demon he summoned, who looked at him with a mocking expression.

"Rejoice, your wish is granted." Beelzebub quoted with a smirk, pulling out his hands from the man's chest. The hands that he turned into claws returned to normal, having already turned Ryuunosuke heart into mush using vibrations.

Ryuunosuke fell to ground clutching his chest, but even on his own death bed, he had a look of wonder on his face. As if the fact that he was dying had finally registered as he began to fall onto the floor.

"I'm....dying?....so...cool." was all that he could get out before he took his last breath, and Beelzebub shook his head at the response. After killing the piece of garbage, he walked towards the child that was lying in the ground tied up. The child whimpered in fright as he approached, muffled sounds emerging from his gag.

Beelzebub merely forced the boy to face him and a snapped his fingers in front of his face. The boy's eyes became cloudy as he suddenly fell asleep, no longer having any memories of the Servant any longer. For a Caster such as him, erasing a child's mind was incredibly easy, child's play, you can say.

Chuckling to himself, Beelzebub began to work on the boy's restraints, releasing him from the bindings. His mind immediately began to work on a plan using the knowledge he had about the future now that he didn't have a master only to be interrupted by a loud noise as words began to appear in front of him.

[Killed a Master of the Fourth Holy Grail War! Gained the Demonic Power, Lord of Flies, from Highschool DxD.]

'I have a system?' Beelzebub wondered curiously as his mind made a connection to a trope in his previous life. Feeling the new power he had just gained, he immediately utilized his magical energy to activate it. A buzzing noise could be heard a fly suddenly manifested and flew towards his hand under Beelzebub's mental command.

'Let's try something else, Status' called out Beelzebub in his mind after confirming he had gained a new power. Immediately after he did, a new set of words appeared in front of him, showing his status.

[Status:

Race: God/Divine Spirit

Strength: B+

Endurance: A

Agility: A+

Mana: A++

Luck: N/A

Class Skills:

Divine Core of Darkness: A

Item Construction: A+

Territory Creation: A

Personal Skills:

Curse of Lilith: B

Inherent Wisdom: A

Vibration Manipulation: A+

Noble Phantasms:

Demonic Destrudo (C+): When the curse activates, Beelzebub transforms into 'Satan', His hands become like claws and the sclera of his eyes turn black with white pupils. In this form, his stamina greatly increases, as well as his strength and speed. He gains several skills that make him suitable for close quarters combat, most noticeably, a skill that he calls "Restructuring". Since it can only be activated by those he loves, it can only be induced using self-hypnosis by Caster.

The Staff of Apomyius (B): When it comes to battle, Beelzebub's weapon of choice is a staff that consists of a silver skull for a handle, red shaft and rounded silver tip. The Staff of Apomyius has the ability to amplify the power of Beelzebub's vibrations, allowing him to make his offense and defense even stronger.

Lord of Flies (A-C+): A Demonic Power that allows the user to create a army of flies which the user can control and direct to his will. The flies can form magic circles which can fire a powerful aura. Possesses the ability to combine the flies into a larger, more powerful "fly beast". As a last resort, one can summon a Fly Chimera, a fifty meter fly-shaped monster that has 10 or more legs, and not only those of insects but also beastial legs with claws and hoofed legs.]

Beelzebub looked at the information with a look of interest before dismissing it with his mind. The fact that he had a system was an exciting revelation, but it didn't change his current goal. Even with his current mana reserves, he would eventually disappear without a source of mana. He needed to find one if he was going win the grail.

With that in mind, he came up with a simple plan, and decided to head towards Ryuudou Temple. Not only was it near a leyline, but it was also currently unoccupied, probably because the other masters thought it was such an obvious place that somebody had already taken it. It also comes with the fact that it was a temple, which should go well with his [Territory Creation] since he was a god.

Cleaning the blood from his hands, Beelzebub walked out of the house after using an invisibility spell, reading the book that Ryuunosuke had used to summon him as he headed towards his goal with a brisk pace.