Fallen Dark lord

Battle and mission

[scene: (Y/n)'s castle]

A few months has passed since the peace summit. The three factions are now at peace and are no longer fighting each both angels factions returned to their respective locations, along with the Light and Dark Lords. Akeno tried to talk to her old friend, (Y/n), however he just ignored her. When Issei grabbed (Y/n) shoulder to stop him, Issei was suddenly crushed by overwhelming gravity. He looked to see (Y/n) staring at him. The sclera of his eyes turned black as his iris turned a dark (f/c). Scaring the dragon emperor, after that he called both Berserker and Gabriel and was able to leave. Before he did Vali said that him and a few others will be coming over. After that the three left.

Now (Y/n) was sitting on a throne overlooking the battle arena, with a glass of wine in his hand. He is watching a fight between two individuals, however he isn't alone in watching the fight, on one side of the arena in the sets is Vali's team. The members that are watching are Bikou, descendant of Sun wukong, also Kuroka, Koneko's older sister, and Arthur and Le fay Pendragon, descendants of the original Arthur Pendragon. The other group that was watching was a group of spirits that was caught (Y/n)'s dark blast, turning them inverse, each of them had a dark powerful aura around that.

Everyone watches as white and dark purple blurs was hitting each other, soon both moved back to reveal that the white blur was Vali in his balance breaker, whereas the dark purple one was revealed to be an girl with dark purple hair and has with soft pink eyes. She is wearing a dark violet dress with grayish magenta and dark pink plated armour. The back and front of the dress was open to expose most of her skin, she had a two layered knee length skirt. She also has a dark violet butterfly hair accessory that has pointed edges. In her hand was black and dark pink sword, her name is Tenka.

(A/n: Don't own image)

(Y/n) watch both Vali and Tenka continue their battle. The two has meet before and fought, both enjoying fighting strong opponents, however their first fight was interrupted leaving no clear winner. The both of them wanted a rematch, and now they are getting their rematch. In the battle arena of the Dark Lord's castle, with both their groups and the Dark Lord (Y/n) as their witnesses.

Tenka rushes towards Vali with her sword in hand and used a downward slash followed by an energy wave. Vali with his experience avoiding the attack and fires a demonic energy barrage to counter Tenka's attack, resulting in a smoke screen, Vali jumped back. He then noticed Tenka coming right towards him with her sword, so Vali then uses his demonic powers to conjure a sword for him, which was white and blue, with some gold to go along with it. Although swordsmanship wasn't Vali's strong suit, he was experienced with it enough thanks to training and sparring with Arthur. Tenka had Vali on the back foot as she was more experienced with her swordsmanship than he was.

The two continued this for a while, until Tenka made a mistake. She went to kick Vali however Vali grabbed her leg, allowing him to use his scared gear.

Albion: Divide!

Then Tenka's power was then cut in half and given to Vali giving Vali the edge. So Vali started pushing Tenka back now. As the fight continued Tenka was slowly getting weaker as her power was being halved, Tenka jumped back to only get hit by a lightning bolt from Vali knocking her back. With being weakened by multiple divides she couldn't get up immediately. Vali had his sword to her throat.

(Y/n): Enough, Vali wins.

With that Vali then cancels the magic to prolong his sword existence, causing it to disappear. He then held his hand out, Tenka then grabbed it and pulled herself up.

Vali: Good match, we should do this again.

Tenka: Agreed.

With the match over everyone started to leave the arena, (Y/n) is making his way to his throne room. On his way he had a vision, he saw Akeno standing in front of him as he was sitting on his throne with Nathanael, Albedo and Semiramis also in the throne room. Akeno had a nervous expression on her face.

When the vision ended he just stood where he was. He then closed his eyes and looked like he was in deep thought, a few minutes later he opened his eyes and continued walking to his throne room. When he arrived in his throne room, he took a seat on his throne as he already had an idea on what that vision was.

(Y/n): So that's what could happen, but will Akeno succeed.

(Y/n) then hears the sound of thunder.

(Y/n): Mei

Then in a flash of lightning Mei was kneeling before her master.

Mei: My Lord.

(Y/n): How was mission.

Mei: It was a success my Lord, the fools in the Old Satan Faction were easy to deal with.

(Y/n): Good now, the Old Satan Faction and the Hero Faction has joined The Khaos brigade. So all our enemies are now one group. Also I have a new job for you.

Mei: What is it my Lord?

(Y/n): Due to some spy's, they have informed me that the Hero Faction are planning something in Kyoto. So your mission to to make sure the Hero Faction fails in whatever plan they have.

Mei: Does this also include...

(Y/n): Yes Mei, the less of them the less headaches for me.

Mei then smiles wickedly

Mei: Very well my Lord, it will be done like you said.

Mei the stood up, and bowed to her master, then she disappeared in a flash of light followed by the sound of thunder, then (Y/n) then heard the sound of wings. He knew that Mei and her pet will get the job done. Suddenly he hears one of his friends, through telepathy

Albedo: '(Y/n) are you there?'

(Y/n): 'Yeah, I hear you, what's up.'

Albedo: 'Well I letting you know our faction along with the angels and devil are planning to talk peace with the Norse pantheon.'

(Y/n): 'Alright, thank you for letting me know, not sure if me and the Light one are needed for it, but I will keep it in mind.'

Albedo: 'Alright talk to you some other time.'

(Y/n): 'Bye'