Chapter 22 - Serafall and Changes in Fourth Floor

"Rias and her Peerage has disappeared?" Sona stopped doing the school work when she heard her Queen Tsubaki inform her that. She tapped the pen against the table, "How is Saji doing?"

"He and Master are synchronising quite well. Momo, Reya, Meguri, Yura have been trying their best to keep his satisfied," Tsubaki hesitated, "Shouldn't we be attacking the Dungeon too?"

"I am still coming up with a plan," Sona muttered.

"That's why you are losing to Rias."

Sona jerked her head, looking up as the man with golden brown hair, and flecks of gold in his brown dragonic eyes. She could see the traces of Saji, her pawn inside of him, "Master!"

He seemed to have walked through the closed door, stopping behind her Queen, Tsubaki before he put his arm around the girl, taking her lips for himself. Her queen was blushing, "Master…I thought other girls were accompanying you."

"Yeah, they were, until they couldn't," he looked into her eyes, pulling her tongue out with his, watching her fall into lust and pleasure, from a single kiss, "the boy has the portion of Dragon's soul inside his Sacred Gear. Unlike the Red Dragon that is too strong for me to absorb, this one was much easier. The boy already has power of Dragon, that leaves you. With Rias using her whole Peerage to take the Goblin Lord, shouldn't you be thinking about clearing Lower Three Floors?"

While he was talking, Sona had already closed in the distance between them. She put her arm around his waist, to kiss him too, the same way as he was kissing her Queen. Sona whispered between her kisses, "Master…I hate to admit, but Rias has raw power in her Peerage. It's different in mine. I can defeat others with strategy and planning, but when it comes to bosses…we'll be annihilated. We are still not good enough."

"Heh, you know what you must do. You know who you must ask, but since you won't, then you leave me no choice."

"Master…" Sona was stunned for a moment, and the next moment shadow from under their feet rose, covering the two of them, swallowing them. Before he disappeared, his eyes met with Tsubaki's, "tell her sister to come to the Third Floor. Preferably before the mind of her sister is broken."

PRESENT,

"That is what happened," Tsubaki knelt on the ground, lowering her head as she informed the angry, raging woman everything. Currently, the Underworld where Demons lived was being ruled by Four Demon Kings. One of them was from the Sitri Family, Sona's older sister, Serafall Leviathan.

She looked like a girl in late teens, with black hair, tied into twin tails that were floating against gravity from the energy she was releasing. She had child-like body, albeit with large breasts, and wore magical girl's clothing, carrying a wand that she had nearly crushed with her grip, "this is the dungeon?"

Serafall stood in front of the building. The moment she stepped inside she felt the ghostly energy crash down on her. If she wasn't angry, then she would have been cautious after noticing the immense energy inside the boundary.

She crossed the third floor in an instant, flapping the wings behind her back before she stopped in front of the arena. Her eyes darted towards the Minotaur, Oni and a Werewolf standing on the sides of the Arena, looking towards the man at the centre, radiating dragonic power, holding her sister by her head with his monstrous cock buried inside her snatch.

She shivered, seeing Sona shake her ass, taking in the thick cock of the monster with a gleeful face that was drowning in pleasure, not even noticing her sister, "Master…more…more…fuck me…more~~!!!"

Serafall bit her teeth, noticing Sona's peerage catch up before she raised her arm, creating a blue magic circle on the palm of her hand, "Let my sister go before I destroy everything here."

"You are going to destroy everything anyway, Or try to," he finally spoke, slowing down, pushing his fingers inside Sona's mouth, who sucked on them, "but everything here is in my control. Like she doesn't know you are here…or she would have resisted the moment she saw you. I can't let that happen."

"Sona!!" Serafall shouted, but there wasn't any reaction from her sister. If she wasn't worried about Sona, then she would have killed him the moment she saw him, for the sin of defiling her sister. She clenched her teeth, "what do you want?"

The moment she asked the question, the space before her twisted, forming a console when she heard his voice again, "Place your hand on it."

"Why?"

"To judge how strong you are. I will explain then."

Serafall glanced towards her sister before she nibbled her lip and decided to do what he said. She placed her palm on the console when a bigger screen appeared in front of her eyes.

[Name – Serafall Leviathan]

[Level – 2477] (1,955,999/24,512,200)

[Race – Devil]

[Type – Emitter/Magic User]

[Attack – 2500]

[Agility – 2500]

[Endurance – 2459]

[Durability – 2412]

[Bloodline Traits – Ice]

[Skills – Magic]

[Equipment – Evil Pieces]

"What is this?"

"Quantification of your powers," his voice rang out again, explaining, "that is not what's important. The Minotaur used to be around Level 800, and he had that much energy inside him. Now he is about Level 600, the Oni is 1200, and the Werewolf is 1100. For Rias, who was Level 900, she would have to purify Minotaur fifty times before all the energy is purified. The Oni and Werewolf for more than 200 Times, they were doing well, and then kill the monsters to harvest their energy and Level Up."

"Harvest their energy and level up…like a game…is that possible?" Serafall was taken aback for a moment when she saw him cover Sona's mouth, who screamed, rolling her eyes in blissful pleasure and she was stricken with this nervous, twisting emotion.

"Yes. Your dear sister signed a contract with me to grow stronger, to fulfill her dream. She even provided me with a body to go outside. In return, I wanted to help her. Since they didn't have enough force defeat the monsters after purification, I asked for you. Someone who is vastly superior to them all. With you, you can probably purify the three of them in one go, along with the girls, and then they can reap the benefits."

"What if I just kill you right here and now," Serafall didn't want to negotiate with someone who took her lovely sister hostage. More so, she hated that Sona was making a face like that for him.

[I am desperate too.]

Serafall felt her soul freeze, her magic circle disappeared when she widened her eyes, seeing the silhouette inside the mist, "You are…?"

[I don't have a name yet. They all call me Master.]

Serafall pressed her thighs together, nervously clenching her fist when he started talking. Rather, she could hear him inside of her, making her soul shudder.

[You see, I am a soul, that grew too strong after taking in the desires of other souls. There are so many desires. I decided to use the lustful ones to channel the purification powers. Since that way, no one would get hurt.]

[But I was already too strong when I came to this world, enough to fill these 33 Floors with a body of mine, carrying a portion of my power. Since I put all my fragmented power in this building, I haven't been able to go out. I finally found a way to go out by making contract with others, using their bodies as vessels.]

"Saji, my sister's pawn?"

[Kiba, Rias's Knight and Issie, Rias's Pawn. Among them, Rias's Pawn carried a Sacred Gear, a Longinus you call it.]

"A Longinus! Rias has a Longinus user under her!"

[Mm, Boosted Gear, the one that contains the Soul of Red Heavenly Dragon.]

"Red Dragon Emperor of this generation is in Rias's Team," the cutesiness was returning to Serafall's voice. She placed her palm on her cheek, sighing cutely, "that is not fair. Sona didn't tell me."

[This is no time to be thinking about whatever you are thinking. The Red Dragon had souls of the past wielders inside the Sacred Gear. You know how the moon revolves around the Earth because Earth has more mass and in turn more gravity? I am that for the souls. Without me being able to control, all those souls of wielders got sucked into me. Increasing my power more than before.]

"I still don't understand what the problem is," Serafall tilted her head, "your power increased…ah, you want me to kill you before you grow too strong."

[If only you had—]

[As I was saying. I divided this new power across the floors, and for a while it didn't change much. I was wrong. The power has been leaking from other floors. They have reached their Limit. It is collecting on the fourth floor. What is more troubling…the Dungeon…I have lost control over it. My bodies are born from energy, and the Goblins right now are being born from the new energy.]

[The problem part is…these goblins are taking energy from Rias's Peerage, and they have different features. Like Goblins that can use Senjutsu…or Goblins with the power to make swords and shields or goblins with the Power of Destruction.]

"Did you say…Goblin's with Power of Destruction," Serafall's mouth twitch, "tell me you are joking."

[No, in fact, that is what worries me. Rias's Peerage was playing along before, now that the Goblins are becoming stronger and stronger, they are trapped on Fourth Floor for real. Ironically, killing these Goblins with special traits is either granting slight resistances or enhancing their powers.]

[That brings us to the reasons why I had to force you to come here. One, this is best training ground for Sona and her Peerage, who need special powers of their own. For that they need to reach the fourth floor, for which they need to clear first three floors in one day.]

"Which is only possible…if I purify them?"

[Yes.]

"The second?" Serafall was starting to understand the importance of the situation for her little sister.

[As long as the creatures inside the dungeon are from my energy, they will remain imaginary. They can't step out of the dungeon. The Goblins that are being born from taking in the energy of Rias's peerage…]

"They are…real?"

[Yes, that is why I want you to use your strength. The question is…will you?]

Serafall closed her eyes, knowing what he was asking and what would saying yes mean. She breathed out, sweetly smiling, "you wouldn't have called me if you didn't know what I would do."

[No, I am pretty sure you are going to attack me and then go and collect Four Demon King's then come back here to attack me again, and then when you lose to Number 13, you will finally realise difference between our strength. Then and only then will you submit. That would be the logical way of doing things.]

"Tsk, tsk, tsk, good for you, I am not being Logical right now," Serafall winked, "Let's start a new chapter for Magical Girl!"

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