https://www.youtube.com/watch?v=tSsiLDd2AjI

Saori *with Beowulf*: Like I've said a few minutes ago... you're not worthy as my opponent, dear little brother! *jumps and kicks Kazuya*

Kazuya: And I've said that I won't let you destroy my world! *blocks the kick, takes Saori's foot and throws her into a giant rock*

Saori: Hmpf *throws rose Summoned Swords*

Kazuya: Forget it! *shoots his Blue Rose and destroys the swords*

Saori: Foolishness *uses Darkslayer Trick and teleports behind his brother*

Kazuya: I will defeat you! *activates his energy wings and punches the floor*

*Kazu's punch made split the floor, rising a lot of sharped rocks*

Saori: Pathetic *she did the "Lunar Phase" attack (she jumped and started to spin while she kicks)*

*Kazuya recieved the kicks and Saori pushed him in a wall*

Kazuya: *coughs blood*

Saori: This is the end... Lightning Style: Chidori Sharp Spear!

*Kazu's chest was stabbed by Saori's electric spear. He started to lose blood from his chest*

Saori: How ridiculous. You couldn't resist 5 minutes against me. Anyway... now you're here... I have good plans for you *cold smile and evil laughs*.

Kazuya: H-Huh...? *Suddenly, the blond devil hunter started to feel one dark and evil chakra coming inside on his body*

Saori: I won't accept you're going to die. So... let me give you a little of my fearless power. You and I... we're going to reclaim our power... The power of our grandfather, Sparda! And with that power... we'll became the gods of this world and the demon one... Hehehe... HAHAHAHAHAHAHAHAHA!

Kazuya: I-I won't b-be your p-puppet... *coughs blood*

Saori: I'm a good sister, letting you live on my side...

Kazuya: N-Nggg... g-gah...

*Kazuya's eyes shone in a red light, and after that a big red flash covered the area. When that light disappeared... Kazu was stood up, without any wound on his body. In fact... his eyes were black with red pupils. Not only that, his energy was full of darkness*

Saori: Heh... how do you feel, brother?

Corrupted Kazuya: I'm feeling... a infinite power running on my veins.

Saori: Nice...

Corrupted Kazuya: Yes... *cold smile*

*Meanwhile with Midnight and Griffon*

Griffon: Come on, Midnight! I think we're close to your daughter!

Midnight: I know i-... wait a minute...

Griffon: Huh...? What's wrong?

Midnight: This feeling... *shocked*

Griffon: What happened?

Midnight *shocked*: ... Kazu's energy is... pure darkness.

Griffon *shocked*: S-Saori... is c-controlling h-him...?

Midnight: ... Yes. She got a new partner.

Griffon: No way... your daughter got a incredible power after 4 years of power searching.

Midnight: After all... she's the "Speedster of Darkness".

*After that horrible moment, Breeze appeared on Midnight's back. 5 minutes later, Scarlet appeared too*.

Breeze: Midnight! You're oka-... huh?

Midnight: *shocked* Breeze... Kazuya is now a Saori's partner.

Breeze: WHAT?!

Griffon: Yes... she's controlling him.

Breeze: *growls and cries* W-Why our daughter did that...?

Scarlet: I'm feeling 2 dark energies on the north. Surely is Saori... and... I can't feel Kazu's energy.

Midnight: I've said that Saori is controlling him! Kazuya is the other dark energy you're feeling!

Griffon: That's enough! We have to stop them!

Breeze *thinking while cries*: Saori... what happened to you?

*The entire family started to run*

*Meanwhile with Saori and Kazuya...*

Saori: ... I don't know why it's not working this.

Corrupted Kazuya: It's because you need more blood.

Saori: I've shed that hole with my blood!

Corrupted Kazuya: No... you need human blood... *takes a vial with blood*

Saori: W-Why do you have that blood vial? Who's the owner of that blood?

Kazuya: Is our mother's blood. She's human, after all. Don't ask how I've got it.

Saori: *smirk* You're so smart, little bro.

Kazu: Hehe... after all, I need to help my dear sister *mixes Breeze's blood with Saori's blood*

*After that moment, Midnight and the rest of the family, appeared*

Midnight: Saori! Kazuya!

Saori: ... Father... Mother... you 2 are here... *cold smile*

Breeze: What did you made to your brother?!

Saori: Me? Nothing, I've just gived him a little of my power...

Kazuya: I'm happy that I know that my sister and I we're going to get the true power of Sparda.

Midnight: My father's power? Are you 2 insane?! If you unseal my father's spell... you will unleash the chaos!

Breeze: *angry* Didn't I raised you 2, with the idea of don't make a chaos?

Saori: ... You're too late, mom... You had 13 years to find me... and make me understand all you wanted. Now... LET'S WELCOME CHAOS!

Kazuya: *evil laughs*

Midnight: I WON'T LET YOU! *chases Saori*

Saori: BRING IT ON, FATHER! *takes Yamato*

*Suddenly, the tower started to rumble. After 5 minutes of an intense rumble, the floor started to ascend. When it rised into a high point, all the people were close to the sky. The lightning bolts appeared more times and the rain increased his power*

Saori: I would like to stay here with my family... but my precious power is waiting me... Sorry, guys... it was a honor see my old family...

Midnight *very angry*: DON'T YOU DARE TO TOUCH MY FATHER'S POWER!

Saori *evil smile*: Hehehehe... look how I touch it, daddy.

*Saori activated her Devil Trigger, and started to fly into the sky, cause a red light appeared, covering the tower*

(This is Saori's Devil Trigger. Imagine her white armor in black color, and his blue details on his body, in a green color)

Midnight: Nggg... SAORI!!! *activates his Sin Devil Trigger*

(This is Midnight's SDT)

*Midnight chased Saori, while she came inside of that red sky*

Kazuya: Okay, I guess that I have to end this pathetic fight *takes his Red Queen*

Breeze: Kazu... you don't have to do this. Think in Azure...

Kazuya: ... She means nothing to me now... I NEED MORE POWER! *uses Exceed and chases his mother and uncle Scarlet*

*Meanwhile with Saori and Midnight*

Saori DT: *stares the Force Edge*

Midnight SDT: A-Another Force Edge?! How is this possible?!

Saori: *takes the Force Edge and gets Sparda's power*

Midnight SDT: ... Y-You don't have any idea, about you have done...

Saori DT: ... This new era... HAS BEGUN, FATHER. I WILL BE THE QUEEN OF THE UNDERWORLD AND HUMAN WORLD! MWAHAHAHAHAHAHA!

The end.