In the distance it be seen a large battlefield across in the underworld. The rebels was overwhelming the opposing force.

Sirzerks was on top of hill with his allies among them was Michael, Azazel, and other maous. His family Rias and her peerage.

Sirzerks spoke, "There chaos everywhere. The rebels are winning but I would not go down easy."

Azazel spoke, "Hey what's that?"

They looked at the far distance a streak of white light was heading towards them.

Michael exclaimed, "Is the white dragon Emperor and chaos brigade!"

They immediately got in defensive positions. Then they made barrier. They heard a echo voice.

"Divde! Divde! Divide!"

Their barrier was weakened then Vali came in crashing into Kevin and taking him to the air.

Kevin took his wings and spoke, "Vali!"

Vali smiled at Kevin and spoke, "Our final battle is here and now. I heard the news so why not join in. Our battle will be in history!"

Kevin charged at Vali and Vali started using his power divine dividing. Kevin was powering up each time. Then they clashed together making a loud boom.

After the shockwave Kevin was falling to the ground as Vali on top. Kevin hit the ground making a crater.

Vali spoke, "This is for my friend Issei."

Kevin punched Vali causing his helmet to crack. Vali back off and Kevin gets up and charged at Vali. Kevin tackled Vali flying to a hill.

Vali was in the hill and Kevin spoke, "You think I'm weak your wrong. I'm going to kill you."

Vali gear spoke, "Divde! Divide! Divide!"

Kevin has gotten weaker and Vali charged at Kevin sending him a round kick on his head. Making Kevin to fall unconscious.

Vali spoke to the group, "This is not over yet!"

Vali charged at the group mainly at Sirzerks. Sirzerks got himself ready for another blow. Vali punch Sirzerks at lightning speed. Sirzerks was sent flying to a battlefield.

Vali chased down Sirzerks. Then in the sky large magic circles appearing it was Gabriel and other mythologies coming to the battlefield. Which most stand out it was dragons.

The loyalist were now in fear dragons coming to fight they have no chance of winning. Gabriel was now a fallen leading the angels to the battlefield.

Rias never believe in her eyes that a archangel has fallen. Among the angels there was Irina she was saddened. Irina felt anguished for betraying Issei her childhood friend.

In everyone surprise her wings were turning from white to black. Her helo ring shattered. Rias couldn't believe that Irina was now going to fight her friends.

Then the rebels charged from sky to the loyalist. Irina charged at the peerage. Xenovia decided to fight Irina.

Xenovia exclaimed her friend, "Please don't do this! Remember we done together!"

"Why?! You betrayed Issei! I did the same! I feel terrible! I want to apologize to him!" Irina exclaimed.

Both friends clash their weapons trying to overpower the other. Rias saw that all friendship is gone. Rias could only see chaos everywhere. Then she smiled evily knowing what she have in her hands.

Then after minutes passed a magic circle formed above the sky. Then the figure started falling to the ground. The figure crashed to the ground making a large crater.

The figure stood up as smoke was clearing out. Rias and the rest were in shock that he actually came. It was Issei himself.

Issei looks up at the group with blood lust.

Rias spoke, "Issei you finally came. How come you pretended to know nothing but knew all along?"

Issei spoke with anger, "Where is my wife and daughter?!"

"Oh your family. Is here." Rias spoke with a evil grin.

Then Mia and her daughter came out of the group. Issei was in shock in state of his wife. Mia was brutally beaten and cuts all of her body. Then Rias grabbed Mia's hair and began to pull her hair.

Rias spoke, "Issei you left me. Now I'm going to hurt you daughter but your wife won't let do it because she is putting power to your daughter."

Then Rias grab a spear to stab Issei's daughter but Mia was putting full force magic on her daughter not to be harmed.

Then Mia was punched by Rias. Issei was boiling with anger.

Issei spoke, "Let her go!"

"Okay." Rias spoke with a evil grin.

Mia started to running towards Issei then a dark spear pierce her stomach. She kept running until she landed Issei's arms.

Issei saw how she in death door. Issei started to tear up.

Mia spoke, "I'm happy to have our...daughter."

Then Mia slowly closed her eyes while holding her daughter. Issei was holding his wife. Then his nightmare became reality.

Then Rias spoke, "You think I'll let her live? Now you are in desperation which I like it."

Then Kevin woke up from the hit and approached the scene in front of him.

Driag spoke, "Kevin. You are going to die this day."

Kevin was in in bit fear because his gear wanting him dead.

Then he spoke, "Issei! This day who will be the red dragon Emperor!"

Issei slowly puts down his wife on the ground. Issei started to boost himself several times.

Issei spoke, "Everyone will die!"

Then Kevin and Issei charged at each other. They started to punch each other. Draig started to hold Kevin back. Kevin was trying to force Issei to the ground. Issei was relentless he won't stop until he win.

In the middle of the fight Driag spoke, "Issei. Kill him!"

Then the two began to wrestle by strength. Kevin started to break Issei gear. As Issei took hold of Kevin's gear. At the last second Issei used his whole strength and rip out Kevin's gear.

Kevin kicked Issei and sent him flying. Issei in the ground laying next to his wife. Tears flow down from his eyes.

Then he heard Draig voice, "You did it partner. Now go avenge for your wife."

Issei noticed that the Boosted gear was now in him. Issei gets up and looks at the group.

The group was in shock that Issei has the Boosted gear. Then a large red light came out of Issei.

Issei transformed into his balance breaker at full glory.

Issei spoke, "You'll pay!"

Kevin was standing in shock. Issei charge at Kevin and started berate with punches. Every punch it was doubling in power.

Kevin was trying to fight back but he was getting destroyed. Issei threw Kevin in the air and he used his wings to catch him.

Issei threw Kevin to the ground then Issei created a red sphere and blasted at Kevin. Then he flew down into Kevin.

Kevin was laying on the ground helplessly. Issei grabbed Kevin by the neck.

Kevin spoke, "You will never win."

"I already won." Issei spoke with a cold tone.

Issei used one of his hand and created a red sphere imbued by power and blasted Kevin in his stomach.

"Ahhhh!" Kevin yelled in agony until he vaporized.

Rias and the rest were in shock that Kevin was killed by the former red dragon Emperor.

Issei turned to them wanting to spill blood. He charged at them but Sirzerks came in front of him. He didn't care anymore but death who betrayed him.

Vali was out of battlefield but he was able weaken the Sirzerks by large amount. He was on the ground unconscious.

Issei punch Sirzerks with power sending him flying back. Then Sirzerks get to his feet and charged back at Issei in order to protect his sister.

Issei moved out of the away. Now is coming to hand to hand.

Sirzerks spoke, "Rias get out of here!"

But Rias didn't paid attention. Then Michael joined the fight. Issei saw they coming at him. Issei started to plan out to kill them at the same time.

Michael jumped on Issei with his light sword. Issei moved out of the way. The sword missed but stabbed Sirzerks in the stomach.

Sirzerks yelled in pain, "Ahhh!"

Michael tried to help Sirzerks but a punch went to his face. Issei was now standing above them. As Azazel could only see a bloodbath.

Azazel spoke, "I'm out. I'm not dealing this."

Azazel immediately teleported away not wanting to face the wrath of Issei. He will exiled himself from the supernatural.

Issei made a red energy sword and stabbed both of them. Rias was is now shock that her brother is in brink of death. Sirzerks and Michael are now dead.

Rias spoke, "No!"

Rias was filled with anger and ordered her peerage, "Kill him!"

Kiba, Akeno, Rosseise, and Gasper charged at Issei. Issei placed one sword in hand when they got close. He swung his sword causing them to be sliced. They were immediately killed.

Rias was now paranoid, "No. Nononono. They aren't dead."

Rias looks at Xenovia and was in shocked that Xenovia was killed by Irina.

Rias looks at Issei with fear and spoke, "Issei let's talk about it."

Issei was covered in blood and started to approach her.

He spoke, "Today you'll pay with your own blood. You'll wished to never incarnate me."

Rias was in death sentence and she started to fly away. She flew and flew to a large mountain. She saw the whole entire underworld in chaos.

Then suddenly she somebody behind her before she could react she felt a sharp object peirce her from behind. Issei was behind stabbed her from her back.

Rias felt blood leaving out of her mouth. She looks down and saw a sword through her body.

Issei spoke, "This is for Mia."

Issei withdrew his sword and Rias could only stumble then fell to the ground.

Rias spoke to herself, "I curse the day I met Issei."

Rias took her final breath and died. Issei saw her dead and let out a roar. Issei never wanted to this to happen the day he was betrayed.

Issei went back to his wife's body. He hold her with tears. Luckily that his daughter is alive and well.

Issei spoke, "Please Mia come back." But no response. Then he hold his daughter in his arms with tears.

After hours passed everything was silent. Blood, destruction and chaos was ruled the underworld. Issei hopes after this there would be peace for his daughter.

I hope you enjoyed this is final chapter but there be a epilogue after this. I hope you curious. Sorry if there any details missing.