(Y/N) was currently in the library of the Lunar Kingdom. She was going through multiple books trying to find anything on that mysterious biker from a few days ago. Though she found nothing for so long.

(Y/N): Gah, I'm getting nowhere! I can't seem to find anything on that guy! There has to be something....

She looked down for a little bit before a yawn escaped her lips her eyes getting droopy. Soon her vision was overtaken by darkness as she fell asleep. (Y/N) soon found herself laying down in a foggy forest.

(Y/N) looked around in shock before she quickly stood up.

(Y/N): Where am I?

She looks around confused.

(Y/N): Wherever this is, I need to find a way out

She then began walking deeper into the forest to hopefully find a way out. As she did, she felt the Digital Biohazard heat up slightly seemingly recognizing this place. She continued until she saw some stone slabs that held the Digital Biohazard symbol on them.

(Y/N): Is this place.....connected with those ruins

She looked around more feeling the Digital Biohazard continue to emit a warm sensation throughout her body. That was until she suddenly heard footsteps heading towards her. She turns to them being on guard. Seconds later she sees a large, armored individual exit the from the trees in front of her. They were large, and had six wings coming from their back.

(Art by Neoarchangemon on Deviantart)

(Y/N) looked at them in shock as the armor individual looked at her in a calm manner.

Armored Individual: Hello (Y/N)...

(Y/N): Are you...

Armored Individual: Yes....I am another one of your ancestors. I am Asriel the 4th wielder of the Digital Biohazard

(Y/N) looked on at him in shock and amazement.

(Y/N): A-Alright, so why am I here?

Asriel simply nodded.

Asriel: I saw that you were looking for information on that being that you had encountered a few days ago, yes?

(Y/N) nods

(Y/N): Do you have information on them?

Asriel: Yes, I do....

(Y/N): Then please tell me

 Asriel: I will but first...

(Y/N) looked at him confused before he then got into a battle stance.

Asriel: I wish to test you.....to see what you really are capable of

(Y/N) looked to him in shock before looking down. She soon looked to Asriel with a determined expression then transforming into her Dukemon X form.

Dukemon X: Lets go

Asriel nods and rushes towards Dukemon X throwing a punch at her. Dukemon X puts up her shield to block it but to her surprise when the punch connected with her shield, she was pushed back considerably by it. Asriel then rushed toward her. Dukemon X swung her lance at him to which he countered by forming a blade of light in his hand and guarding against it. He then followed up with blasting her away with a burst of holy magic. Dukemon X quickly recovered and sent multiple waves of energy from her lance towards Asriel. Asriel puts up a barrier around himself the block them, but this quickly left him open as Dukemon X quickly rushed towards him with energy charged within her lance. She stabbed it into his barrier completely shattering it shocking Asriel greatly. Dukemon X then followed up with a combination of slashes from her lance and kicks. She then ended the combination with a shield bash knocking Asriel to the ground. Asriel lands on his knee while skidding to a halt. Asriel quickly looks up seeing Dukemon X rushing towards him. He gets up and quickly summons another light sword to his hand and guarded against her lance. He reaches his hand out and grabbed her before then throwing her down to the ground, then kicking her away. She quickly stopped herself while skidding across the ground. Dukemon X looks to Asriel as he lifted his hands above his head beginning to charge a ball of energy in them. Dukemon X glares towards him as she lifts her shield up and began charging up a Shield of the Just. Energy crackled around them as they both glared toward each other. Seconds later they both fire their attacks and the two clashed creating a large shockwave around them. Soon the two attacks detonated created a large plume of smoke. It soon cleared as the two looked to each other. Asriel soon began to chuckle while crossing his arms, Dukemon X looked at him a bit confused.

Asriel: Alright, I've seen enough....

Dukemon X then transformed back to normal.

(Y/N): So.....how'd I do?

Asriel: You certainly deserve to have that power. You've passed my test

(Y/N) smiled at this.

(Y/N): Alright! So can you tell me about that guy now?

Asriel nodded.

Asriel: The one you ran into is known as Beelzemon...

(Y/N): Beelzemon?

Asriel: Yes, that name and the power that they usually hold is passed down through generations as well much like our power....

(Y/N): I see...

She looks down and began to think, Asriel then continued.

Asriel: His line is also a part of the warriors of old...

(Y/N) looked to Asriel in shock.

(Y/N): So, you're saying that...

Asriel: Yes, he is the last of the warriors that need to be assembled....

(Y/N) looked down thinking again before she nodded.

(Y/N): Alright, then we're going to have to find him then

Asriel nodded, and soon everything around them began to shake.

(Y/N): W-What's going on?!

Asriel: It seems that you're waking up, though it doesn't seem by natural means. Something is happening on the outside...

(Y/N): Then whatever it is....it can't be good....

Soon her vision was enveloped by white. She soon reawakened in the library hearing explosions and screams from the outside. Soon a rabbit soldier ran up to her in a panic as she quickly stood up.

Rabbit Soldier: Your Eminence! 

(Y/N): What's going on!?

Rabbit Soldier: We're under attack! Four beings managed to get passed our barrier! We don't know how either!

(Y/N) looked at her in shock before narrowing her gaze.

(Y/N): Alright, calm down and go check on the other rabbits. I'll go check on the damages and take these invaders head on

The rabbit soldier looked at her in concern before nodding.

Rabbit Soldier: A-Alright, but please be careful your Eminence

(Y/N) nodded and quickly left the library and headed to the outside. Upon making it there she sees many injured rabbit soldiers strung about angering (Y/N) further. She heard some more fighting further into the capital and quickly headed there. Making it there she soon sees Sakuyamon and Sakuya fighting against someone who looked almost exactly like Sakuyamon though her armor was purple instead of gold. She was about to rush in and help, but soon heard the sound of another fight. Looking to it she sees MegaGargomon, Marisa, and Reisen fighting against a large rabbit like creature. She also saw Justimon, Reimu, Youmu and Sanae fighting against a large beast that almost resembled a Kimera of many different creatures along with having large cannons on it's back. (Y/N) was about to rush in and help them but was quickly stopped by a sudden blast landing in front of her. She shielded herself from the sudden dust and smoke that was kicked up in front of her. It soon dispersed as she looked to where the blast came from seeing a cloaked figure approaching her.

Cloaked figure: So, we finally meet....(Y/N) Guilly....

As (Y/N) heard the figures voice it sounded familiar but also a little different.

(Y/N): Who are you and why are you attacking my kingdom!

The figure laughed a bit.

Cloaked figure: Heh, do you really not recognize my voice? After all...

The figure reaches up and grabs their hood pulling it down and revealing their face to (Y/N). (Y/N)'s eyes widened in shock.

Cloaked figure: I am you....

And she was right. The person who was standing there looked exactly like (Y/N), except for her eyes being a bright red and there being a strip of red in her hair as well.

(Y/N): H-How...

Clone: Isn't it obvious? I was created from your DNA after all...

(Y/N): So, you're a clone. Who created you?

The clone smiled at her.

Clone: Shouldn't it be obvious....

(Y/N)'s eyes narrowed at the clone.

(Y/N): Didn't think they'd get that desperate

The clone just smiled at her before shrugging.

Clone: Welp, I'm here to destroy you. And this whole pathetic kingdom that you call home! Then I'll prove that I am the true wielder of the Digital Biohazard!

(Y/N) glared at her.

(Y/N): We'll see about that!

The clone grinned at her as the two were surrounded by twisters of energy. The twisters soon burst from around them as the two were revealed in their respective Dukemon forms. ChaosDukemon lets out a roar cry as she rushed toward Dukemon.

ChaosDukemon: Lets see what you can do, (Y/N)!!!

Dukemon lets out a small sigh before she clashed her lance against ChaosDukemon's. The two struggled against each other for a little bit before Dukemon headbutt ChaosDukemon knocking them back a bit. She then followed up with a barrage of slashes before knocking them away with a shield bash. ChaosDukemon quickly stopped herself then sending a barrage of dark energy projectiles towards Dukemon. Dukemon puts up her shield to guard them but was quickly met with a kick to her back sending her into the blasts. She quickly recovers and looked back seeing ChaosDukemon floating there. Dukemon growls a bit before rushing towards ChaosDukemon. In response ChaosDukemon points her shield towards her as it began to glow.

ChaosDukemon: Judecca Prison!!!

A beam was fired from her shield down towards Dukemon who in response fired back a Shield of the Just. The two beams clashed in midair as they began to create multiple strong shockwaves all around them. The two beams soon detonated as the two rushed towards each other and clashed again. ChaosDukemon went for a stab with her lance, but it was quickly parried as Dukemon went for a slash that was parried by ChaosDukemon. The two continued to attack each other and parried each other's strikes. The two then powered up energy in their shields again and fired them close up again creating a large burst of energy around them knocking the two back down to the ground below creating craters on their respective landing areas. The two breathed heavily as they glared at each other.

Dukemon: Looks like I'm going to have to kick things up a notch. GRANI!!!

ChaosDukemon looked at her confused for a second before Grani then appeared next to Dukemon. She then watched on as the two quickly fused transforming into Dukemon Crimson Mode.

Dukemon CM: Alright, lets go!

She then rushed at ChaosDukemon and slashed her multiple times with her sword. ChaosDukemon tried to stab her with her lance, but it was quickly avoided, and she was struck by a knee from Dukemon CM. She then reeled her hand back and summoned her Gungnir to her hand with it charging with holy energy. She then thrusted it forward clashing it into ChaosDukemon's chest.

Dukemon CM: Final Justice!!!

She then fired a beam of holy energy with it quickly consuming her and sending her flying back into the ground creating a large explosion. Dukemon CM looked down at the smoke and dust as it slowly dispersed. It was soon completely gone showing ChaosDukemon on her knee. Dukemon CM slowly descended glaring at her.

ChaosDukemon: Heh, you really are strong...Heh

Dukemon CM: Yeah...Now then it's time that I finish this

She got ready to charge another attack but stopped once she heard ChaosDukemon began laughing.

Dukemon CM: What's so funny?

ChaosDukemon: That power....

ChaosDukemon slowly stood up as she makes her lance disappear. She looked to Dukemon CM with a glint in her eye.

ChaosDukemon: I want a taste of it!

She then held her hand up to Dukemon CM as a strange mirror appeared in her hand confusing Dukemon CM.

ChaosDukemon: Mirror of Chaos! Reflect that power onto me!!

The mirror showed the reflection of Dukemon CM as it began to glow. It soon spread to ChaosDukemon as she began to laugh. A burst of light soon surrounded her as Dukemon CM shielded her eyes, this also catching the attention of the others. The light soon dissipated.

ChaosDukemon: How do like this now...

Dukemon CM looked to her before her eyes widened in shock.

Dukemon CM: H-How...

ChaosDukemon: Do you like...You have your Crimson Mode......So, you can call this my....

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Ruin Mode!!