I Will Keep My Promise!

Battle Arena

3rd Person POV

"What?!" Rias asked in shock. "That's (Y/N)?!"

Riser stared, but quickly looked down. He appeared to tremble, but soon uttered a chuckle.

"HAHAHAHAHAHAHA!!! Do you really think this will matter in the slightest?! I am Riser Phoenix! I am immortal! YOU WILL NEVER BEAT ME!!!" He shouted desperately.

The black and green creature just crosses his arms and shakes his head in disapproval "Wow, and you keep asking if my sanity has kicked in." (Y/N) said, walking closer towards Riser. "Looks like someone needs a reality check."

"DAMN YOU!!!" Riser shouted as he conjures a small ball of fire in his hand. He unleashed it on (Y/N), but is easily deflected. Riser grows enraged, putting his hands together and sends blast upon blast of fire balls at (Y/N), creating a massive dust cloud to form with each volley. Once Riser stopped, the smoke cleared and (Y/N) emerged from the dust, completely unharmed. "What-What are you?!" Riser questioned, utterly terrified.

(Y/N) vanished within mere seconds and appears right in front of Riser, delivering a fierce punch to the gut.

Riser spat up blood in reaction to this and threw two punches at the black and green monster of shadow, missing both as (Y/N) dodged, giving the shadow casted devil this brief moment and opportunity to deliver two quick jabs to Riser's head.

Riser quickly punched at (Y/N) by the young devil moved to the side and kicked the Noblemen in the gut then roundhouse kicked him back.

The Phoenix arched back upright and charged the boy again, trying to kick him in the head.

(Y/N) dodged and punched Riser in the face once more, following up with a gut punch and another punch to the face.

Slowly, he raised his leg up and side kicked him straight into another wall.

Riser slowly stumbled out and fell to his knees. "N-No. Damn it NO!!! THIS IS NOT HOW THINGS ARE SUPPOSED TO HAPPEN!!!" Riser yelled, punching the ground and making small craters with each one.

(Y/N) stepped forward, looking down at the tantruming noble Phoenix. "You're a Noble for God's sake. At least accept your defeat with some shred of honor." (Y/N) said.

"How? How are you so strong? How are you so fast?!" Riser asked.

"Before I came here, I offered up something to my Dragon...My right eye." (Y/N) said, pointing at his right eye. "By doing this, it granted me the ability of 'Dragon Sight'. I could see your moves before they even happen, giving me each opportunity to strike, deflect or dodge."  (Y/N) rose his hand up to the sky, the dark and evil fire forming in his hand a massive sword. (Y/N) looked down at the pitiful man he had finally beaten. "Surrender Riser, or else this will worsen for you." (Y/N) ordered.

Suddenly, a sharp pain emerged in his chest once more. His darkness slowly faded away as he clutched onto his chest. He fell to his knees, unable to stand due to the excruciating pain. "Damn it! I thought I minimized this by now! What the hell is going on?!" He said as he cringed at the pain.

Riser took this opportunity and grabbed the poor boy by the collar of his shirt and raised him up into the air. "That's too bad." Riser taunted with an arrogant smile. "Looks like someone lost all their power. Riser believes it's time to end this pathetic charade." He hissed.

As if by a miracle, (Y/N)'s heart started to beat again and he managed to stay conscious. He looked upon his current predicament, and suddenly got an idea.

"Yep...looks like this is it." He said weakly, catching Riser's attention and confusion. "Well, before you kill me. Allow me just one last request."

"What are you going on about?"

"Let me have a drink...on your behalf." (Y/N) dug through his pocket and pulled out a bottle of Holy Water. "Here's to you." He said with a cocky smile.

"Holy Water?" Kiba asked.

"Will that even work on a devil as strong as Riser?" Sona asked.

(Y/N) tore the cork off with his teeth and proceeded to poor it on Riser's face.

"DOWN THE HATCH, ASSHOLE!!!"

TRANSFER!

The Holy Water infused with dragonic power splashed onto Riser's face, proceeding to burn him as he screamed in utter agony. He let (Y/N) go and held his face as it burned.

"Look at Riser!" Kiba said amazed.

"The Holy Water is draining his mental and physical strength. It's preventing him from regenerating!" Sona claims, also in amazement.

"Not even the Lord of the House of Phoenix can rise from the ashes when his mind's under this kind of attack." Akeno added.

"His mind?" Koneko questioned.

"Indeed." Sona answered. "His body's immortal but his mind is far from it."

Riser rose up once more, his body and mind still surging with pain.

"How's that feel Riser?" (Y/N) asked. "Asia taught me that devils are vulnerable to both crosses and Holy Water. So I figured that if I used both in tandem then not even a devil like you could stand a chance against their holy powers."

Riser ignored (Y/N)'s words, only to summon a massive ball of fire in his hand and proceeded to throw it, only for the Azure Dragon Emperor to catch it.

DRAIN!

The blast was slowly absorbed into (Y/N) Sacred Gear, increasing his power once again.

"You still don't get it do you?! IT'S OVER!! YOU'VE LOST!!!" He declared as he slowly started making his way over to Riser, anger plastered deep in his expression.

Riser summons another ball of fire and throws it at him again, but (Y/N) jumped high in the air and evaded it.

"Kiba said to widen my field of vision whenever I'm battling an opponent!" He yelled as he landed back on the ground. He proceeded to throw the rest of the Holy Water on the Cross in his hand and his gauntlet, encasing both in their holy properties.

TRASNFER!

"Akeno said to use my magic and take it's power and my body's aura and release it upon a single point! That way I amplify my attack by increasing my own power and mental focus!" He raised his shining armored arm up into the air, conjuring a twister of holy magic to surround him as he charged up his attack. "And Koneko told me to aim for the center of the body! To strike with precision, right in the heart of my enemy!"

"N-No! Stop it! Don't!" Riser begged, stepping back. "This engagement's important to the future of all devils, you fool! A mere servant like you has no business getting involved with the affairs of you betters!"

"At one point, I thought the same. But now I've come to realize that that doesn't matter. And you should've realized by now that I don't care!" (Y/N) yelled, stopping in his tracks and clenching his fists in anger. "You hurt my friends, and you will pay dearly for that. But Rias, she's what matters most to me! And the fact that you'd force her to be with you..." An image of Rias crying before (Y/N) passed out in the Rating Game appears in his mind, making his drive stronger. "When she obviously hates you, is more than enough of a reason to destroy you!" (Y/N) rushed towards Riser, his Holy Devil magic charged within a single punch.

"AZURE DRAGON...SHINING CLAW BREAKER!!!" (Y/N) roared as he connected his attack into Riser's body, causing him to cough up blood and send him flying all the way across the arena.

As the dust settled, Riser hunched over holding his stomach in pain.

(Y/N) held up his hand and charged a small blast of magic aimed right at Riser. "You're done." He said.

"NO!" Ravel cried. "Don't hurt him!"

The little sister of Riser Phoenix teleported into the arena, shielding her brother from any further harm.

"Out of the way little girl, or your next." (Y/N) said.

For an odd reason, she grew a light blush.

(Y/N) didn't notice the growing of red on her cheeks, but the look in her eyes. The same look that someone has when they try and protect someone they care about. The devil sighed and lowered his arm.

Within a split second, he disappeared and reappeared right behind Riser, the ball of magical energy still formed in his armored hand.

"NO DON'T!!!" Ravel cried.

"(Y/N)!" Rias cried.

Their cries fell on deaf ears as (Y/N) fired his shot.

However, it did not kill Riser. But instead healed him slightly and restored some of his magical energy.

He rose up weakly and looked around, feeling less pain than a few moments ago as some magical energy had been transferred to him.

"What in the-?"

"I gave you some of my energy." (Y/N) said, putting his hands in his pockets and walking away. "It should be enough to get you on your feet and to medical attention." He said as he continued to walk away. However, before he made his leave, he stopped and turned towards Riser, delivering a fearsome glare. "Listen, I don't ever want to see you or hear about you ever again. If I so happen to hear something about you, and I don't like what it is..." His eyes leaked murderous intentions. "I will come back here...Find you...And finish what I fucking started!" He sprouted his devil wings and flew off, making his way towards his freed master.

As (Y/N) flew away, Riser looked at the ground and growled. 'I am Riser Phoenix. No one makes a fool out of me. No one humiliates me and gets away with it.' Riser's thoughts fueled his anger, giving him the strength to stand pump on his own two feet.

"Big brother?" His sister asked, worried about his current state.

"You will not make a fool of me...NO ONE MAKES A FOOL OUT OF RISER PHOENIX!!!" He shouted, conjuring a massive fire in his hands. "YOU WILL DIE BY MY HANDS YOU LOW-CLASS DEVIL SCUM!!!" He roared, firing the massive blaze, streaming towards the ascending devil.

As the flames approached (Y/N), he felt it getting hotter from behind. He turned around and saw that, instead of using the energy given for it's intended purpose, Riser used it to unleash a sneak attack on him. (Y/N) grew enraged by this, and turned into his Black Heart form, conjuring a black and green flame of his own. "YOU FOOL!!!" He roared, sending his blast attack hurling towards the arrogant flaming Noble.

His sister moved out of the way, and Riser looked at the incoming attack, to tired to move.

The attack collided and completely vaporized Riser in an explosive spark of black and green.

The dust settled, and no Riser to be found, only a small flicker of light laying hovering on the ground.

'Huh, I used the rest of my magic energy in that attack. And in my Black Heart form no less. I'm surprised I haven't-" He thought before loosing his remaining power and dropping out of his transformation, the stress catching up to him. 'Oh yep, here we go.' He added as he plummeted to the ground. He crashed down onto the ground, but slowly stood up, dusting himself off before spotting Ravel Phoenix over in the distance, on her knees and bawling her eyes out.

"B-Big brother..." She cried. "W-Why did you have to d-do that? N-Now your gone fore-ever." Ravel continued to cry.

"He's not dead." (Y/N) snapped as he approached the crying Phoenix, holding his stinging left arm.

Ravel turned to the Dragon Emperor, confusion in her tearful eyes. "W-What are you talking about?"

(Y/N) shook his head in the direction of the flickering light.

Ravel stumbled over and gently lifted the flame up.

"That's his spiritual essence. Or his soul if you want to be more specific." (Y/N) said, holding his arm in pain. "I recommend you nurture that flame until it grows brighter and bigger. Do that and he'll be back to normal...Well whatever you people consider normal for him I guess."

Within the Viewing Area, Rias watched as her servant converse with the Bishop of the Phoenix Peerage. Utter joy filled her heart. She was finally freed from a life she never wanted to live.

"This battle is over." Her brother claimed as he approached her from behind.

The arena below began to shift and fall apart, crumbling into rubble as it began to disappear from existence.

Ravel took off with her brother's flicking fire in her hand.

(Y/N), with no remaining energy left couldn't even manage to sprout his wings to fly away. As the floor of the stadium gave away, he fell through and began to descend into nothingness. Before falling further down however, Koneko appeared from below and caught him in her arms.

"Woah, thanks for the save Koneko." He thanked the white haired Rook.

"Way to rock the house." Akeno praised.

"You totally nailed it!" Kiba cheered.

(Y/N) chuckled awkwardly before wincing in pain. Slowly being raised up, he looked down at the Rook. "Uh what...?"

"See ya." Koneko threw her upperclassmen down, letting him descend farther down towards the ground.

"OH SHIT!!!" He cried, still unable to sprout his wings.

The Princess of Ruin flew up high as fast as she could with open arms and joyous tears in her eyes, catching her beloved servant in her arms, holding him lovingly and as close as possible.

(Y/N) chuckled upon seeing her. "Hey Rias." He greeted weakly.

"(Y/N)...You just saved my life. Thank you." She cried, holding her Pawn tightly in her loving arms.

Time Skip

After a short time of recovering, (Y/N), Rias and the others met up outside the estate of the Engagement Party.

The young devil rose the flyer he received from Grayfia and the other side glowed, summoning a creature from within.

"Woah! Hello, what are you big guy?" He smiled, stepping forward and patting the creature, causing it to roar with glee.

"He's a griffon." Answered Rias.

"Isn't he cute?" Asked the kimono wrapped Priestess of Thunder as she giggled.

"So cool." (Y/N) smiled. "Can I keep it?" He asked. "Imma name you...Hippogriff." He claimed, earning a happy roar from the beast.

"Well (Y/N), since you saved the day I think it's only fair you ride back with Rias." Smiled Akeno.

"Wait, just me?" He asked.

"Yes, please..." Rias answered, gaining her Pawn's attention. "Unless you don't want to." She said, a light blush tinting her face.

(Y/N) smiled, holding out his hand to Rias. "Of course. It'd be my honor." He proclaimed.

Rias smiled as she took (Y/N)'s hand.

The Azure Dragon Emperor led his lady towards the griffon and boosted her up on to its saddle. Jumping up, he landed on the saddle and sat behind Rias, grabbing the rope and readying himself to take flight. "I'll see you guys back at the clubroom. You know...assuming I don't die on this crazy thing." He joked.

The griffon roared, sprouting his wings before taking off into the skies of the Underworld.

As they flew, Rias looked at (Y/N), who smiled happily at her.

"Beautiful, isn't it?" Sir Zechs questioned his Queen. "I had that griffon ready in case they needed to make a last minute escape."

"Thank goodness it didn't come to that..." The silver haired maid replied. "We would've had quite a mess to clean up." She smiled.

"I wouldn't worry too much, my father and Sir Phoenix have found some common ground." The Lucifer claimed. "Such a shame though. For an engagement to fall apart like this."

Grayfia turned to her master, looking at his proud smile. "Yes, you're right. It's very sad. You look devastated."

"It's truly a miracle. I never dreamed it was possible the incredible Azure Dragon Emperor to come over to our side. But most of all, I'm thrilled to know that the last of his kind hasn't died out. If he lives, then there might be a chance for peace to finally be restored to all the realms."

Grafiya smiled, moving closer to her King, resting her head on his shoulder. "Still, do you think he knows?" She asked.

"Not likely. But I have a feeling he will in due time." The Great Devil King replied, placing his hand over her shoulder, holding his beloved Queen close.

"Also, it seems likely the encounter with the Vanishing One, the White Dragon, could be upon us soon." Added Grayfia.

"If that happens, then let's hope that Mr. (L/N) is strong enough." Smiled Sir Zechs.

As the griffon soared gently through the skies of the Underworld, (Y/N) smiled happily as he took in all he could of the beautiful sky. "You know, the Underworld has a really beautiful sky. Never would've imagined." He said, feeling a gentle touch on the right side of his face. He turned and saw Rias staring into his eyes. "What up?" He asked.

"Silly boy." She said. "To give up your eye and a year of your life just for me." She caressed her servant's face.

"Hey, it was worth it. Besides, a year is nothing compared to the rest of your life." (Y/N) smiled reassuringly. "Besides, I would've done anything to get you back safely."

"(Y/N) look..." Rias interjected. "The engagement may be over now...But I promise you this isn't the last we'll hear of it, not by any means."

"Then I'll give up my other eye." (Y/N) declared, shocking Rias. "My other arm and my heart if I have to."

"(Y/N)..."

"I'll do anything to save the people I love. And I love you very much." He proclaimed.

Rias's eyes shot wide open, feeling utter joy from hearing (Y/N)'s declaration.

"I mean, I am your servant after a-?!" The young devil was silenced as Rias kissed him on the lips. His eyes shot wide open as he was caught off guard, shaken with utter shock by his master's actions. As Rias broke away, (Y/N)'s face exploded in red. Steam erupted from his head as he began to stutter. "Wha-Wha-Wha-Wha-Wha-Wha-Wha-Wha-Wha-?!" He was suddenly silenced by Rias's finger resting on his lips.

"That was my first kiss." Rias claimed, a slight blush grown upon her face. "It's a bit of a monumental moment for a young woman isn't it?"

"Wait, I was your first kiss?! Sorry if I screwed it up." Worried the young devil.

"Well, since it is my first I guess I have no way of knowing, do I?" She looked away, a gleaming smile plastered on her face. "I liked it though."

"Uh...cool." Was all (Y/N) could manage to say. 'She liked it! YEAH!!!' He cheered to himself.

"Oh, (Y/N)?"

(Y/N) jumped. "Uh huh?"

"I almost forgot, I've decided I'm going to live at your place." She smiled.

"WHAT?!" (Y/N) boomed in surprise.

"Unless you have an objection of course." Rias smiled, knowing full well that (Y/N) wouldn't say no.

Time Skip

The very next day, Rias told the Hyoudou family that she was going to be living with (Y/N) while they came for their monthly visit. Needless to say, they were shocked.

However, Asia and Artoria were rather pouty about the idea, though (Y/N) had no idea as to why.

Issei on the other hand cried from utter jealousy.

ORC Headquarters

The day proceeded on like any other. It's was lunch time and (Y/N) had to spend a majority of it within the clubroom to have Asia heal his eye while Akeno tried and restore his arm. Now that he was more of dragon then before, hiding the features would be much more difficult.

Koneko simply ate a hotdog and watched the process proceed.

As his arm and eye shifted back to normal, the three sighed in relief, only for them to reappear instantly, causing him to wince in pain from the sudden burst of pure dragon energy.

"Please heal! Please heal! Please heal!" Asia begged.

"Come on you stupid arm, heal!" Akeno pleaded.

(Y/N) simply chuckled awkwardly.

Time Skip

The day had ended and the young devil decided to rest in his favorite spot in the school, the tree next to the ORC Headquarters. As he lay atop a sturdy branch, he watched as Issei and the other perverts ran for their lives as the girls in the kendo club chased them across the track field.

They ran over to the building near him and panted heavily, smile proudly at what they had saw before running away.

"Dude, I saw some nip!" Matsuda cheered.

"Yeah, tig' o' biddies." Added Motohama.

"That was awesome!" Issei smiled.

(Y/N) simply chuckled at their antics returning to his light nap before hearing a window open nearby. He turned his head and saw that it the Crimson Haired Princess of Ruin herself, and he couldn't help but smile upon seeing her so happy and full of life.

Rias quickly took notice of her beloved servant and smiled back.

'More then anything, I wanted to protect her. Not because it was my duty or because I was her servant, nothing like that.' He thought, hopping off the branch and into the same room Rias was in. 'No, I wanted to protect her because of how amazing of a person she is. Because I believe-no, I know that she's worth it. It's always been her. And it always will be.' The two smiled at each other. Rias approached the young devil and the two leaned forward, delivering a tender and loving kiss. 'Forever.'