A/n: So only three people voted, but now you gotta vote on the second devil arm. Also yes that is Vergil with a chicken.

Y/n spent around a week in Fortuna doing his job of clearing out some demons. Deciding to to the smart parental choice he decided to take Nero on one of his hunts. But upon finding out the boy has no sword,

'like seriously who wouldn't arm a 5 year old?' Thought Y/n as he just got done talking with Nero. Now he had to figure out how to arm the young tribrid. "So what would you be most comfortable wielding? And think hard about this your entrusting you life in your weapon."

Nero rubbed his chin with his left hand, while his right was in a sling. The appendage was injured in the ally awhile ago and was healing fast, but instead of it's original mocha color it had a few red and blue scales sprouting. Y/n had looked it over unable to explain it fully, summed it up his body trying to heal itself by sending energy to the area. The energy build up in one spot causing it to take an appearance akin at his non-human sides. But Y/n was a Devil hunter not a doctor.

"Well I have trained with Credo before, hmmmm oh can I get a Durandal?!" Asked Nero thinking about his older brother figure.

"You mean one of the knights swords?" Y/n was thinking back to seeing them, they worn't bad but could be better. "Naaaaahhhh I could totally do better, how about this ya hellion I forge a sword fit for you while you heal then we go for a test drive?"

Nero gained a sparkle in his eyes as he heard this. "Yes! That would be so cool! Wait can I help?"

"What do you mean help?"

"It's my sword so I wanna help, and before you say-"

"Alright just I need to find a workshop."

"What no hesitation, I can help?"

"Of course why would I stop you?" Asked Y/n. "Remember knowledge is power and power is might and might controls everything. So anywhere we can work?"

"Welllll....." Obviously Nero knew a place. What made it all the better was that they weren't supposed to be there. Said place was blacksmith shop that was abandoned after one of the many demon attacks. Said attacks caused the area to be closed off.

So over the course of the next few weeks as Nero healed and helped Y/n with what he could, he began to realize he's ambidextrous. Y/n was also ambidextrous so he happily accepted his son into the cool club. As the time went on Y/n and Nero were nearing the end of the forging process, using materials he got from demons. Nero occasionally helped him hunt welding Renegade and Selene, during such a time the Nephalem also trained his son. When it came to certain materials that could have different variants, Nero picked. By the time the final product was being put together Nero's arm had healed but his hand and forearm were still sprouting red and blue scales but they both didn't mind it. Nero had been working on heating the metal until he handed it off to Y/n to pound it out.

As his father worked Nero payed close attention to the actions. Y/n having plenty of experience in blacksmithing by creating his own blade as he expertly hammered the glowing mass on the advil. He has roughly one shot at this because demonic metals were forged and hardened with hellfire and whatever else so it was a painstaking task to get it to such a degree. Outside was and when was done it'd be pretty much flame resistant and nearly indestructible. Having already done the hardest part designing and building the engine using bits of both Agni and Ruda to help. The fire for attack and the winds for ventilation. Along with how to assemble the sword. The pain staking task was nearly complete.

"Nero prep for quench!" Y/n shouts over the loud clang of his hammer on the metal. Nero quickly ran over and brought a large metal tub that was long and deep, it's contents was a concoction of demonic blood and holy water. Nero popped off the lid revealing the foul smelling liquid, and markings engraved on around the rim to keep everything contained. The blood belonged to a fire devil so the holy water was fighting it as much as possible. The reasoning behind the concoction was because the devil blood reinforced the metal to a fantastic degree along with the ability to handle extreme heats. If it went well Nero could shove the whole sword into molten magma and it would still be perfectly fine.

The holy water was so it was extremely effective against demonic entities, same as the demon blood against angels. Y/n hammered out the last kink as the metal was now a cherry red, he put the metal back into the furnace so it heated up he put Agni and Ruda BE into their slots to keep the furnace hot. Standing next to the furnace was smouldering but he could stand it.

"After the quench all that's left it polishing, sharpening, and assembly then you get to test the edge."  Y/n said while whipping the sweat from his head. He took off his jacket in exchange for a large leather apron and thick gloves. His toned muscular arms and face caked in sweat and ash from the forging. He had a pair of goggles resting on his forehead when he looked at Nero. Nero also had a set of similar goggles apron and boots. The Devil Hunter in training also looked different aside from the ash and dirt, his right hand was now clawed and the palm was entirely blue. "It might take some growing into though."

"I got it don't worry!" Nero responded with a wide smile. Y/n put on his goggles before he pulled the blade from the furnace but quenched the blade in the tub.

" Oi Nero get over here quick!" The son ran over. "Grab onto the tongs and focus. I'll help keep it stable." The boy grabbed the tongs as the quickly pulled the glowing metal out of the furnace and plunged it into the liquid causing it to sizzle and release steam. "Hold your breath!"

Nero without hesitation held his breath until they pulled the blade out and set it down to stop smoking. "Why did we hold our breath? Is it poisonous?" The white haired boy asked with slight fear.

"Nope it just smells bad." Y/n responded while waving a hand infront of his face. The smell soon hit Nero's nose too causing him to cringe and pinch his nostrils shut. "Let's go get some fresh air as we finish this up." Y/n grabbed the unfinished sword as Nero grabbed the bag of things they needed.

The cool outside air felt good as Y/n settled at a worn workbench as the Nero set the bag down. As soon as he set the bag down Y/n tossed Renegade at him soon followed by Selene. Nero looked at them confused before he felt a strange prickly at the base of his neck the same feeling whenever demons appear.

"Go crazy kid, you know the basics." Said Y/n as he got to work finishing the sword. "If you do well enough I'll even get you your own gun."

Nero didn't need to respond as Y/n could practically feel his smirk as Nero rushed towards the scarecrow like demons. Y/n had his own smile hearing the battle cry followed by a wicked laughter as Nero was hacking through the demon. The Nephalem gave a chuckle as the loud thunderous cracks of Selene rang through out the air.

"Come at me you demon bastar-!!" Nero shouts as he stabs a demon through.

"LANGUAGE!" Shouts Y/n before Nero could finish. Y/n got back to work on assembly while Nero got a good amount of field training. A few hours pass Nero was dodging the best he could while countering the blows he deflected. A demon snuck it's way behind the tiring Nero and raised it's blade to strike Nero didn't notice because he was holding off one of the last demons. The demon struck when suddenly a loud crack rang throughout the area both demons fell and started to disintegrate a smoking hole in each of their heads. Nero looks up seeing Y/n holding a smoking Helios.

"I had them!"

"Really? Could've fooled me." Laughed Y/n. Nero was getting ready to respond but before he could both felt a sharp feeling in the back of their necks signaling the arrival of a strong demon but it was far off.

"Kyrie!" Nero shouted as he started to run off.

"Wait!" Y/n stops Nero. "You can't go-"

"What do you mean?! That's the main city, if we don't go Kyrie, Credo, all of them will die!!"

"Let me finish you can't go with that," he points at Renegade. "Because it's mine."

"B-but-!"

"You have your own." Y/n said holding out a handle towards Nero.

-scene shift brought to you by a Raven and a Dove chilling in a tree-

The city of Fortuna was surrounded in a pregnant silence. The bells of the church didn't ring out signifying the noon hour, not even birds were chirping. It wasn't long before the pregnant silence gave birth to a horrific screech from demons and the horrified screams of the citizens. An explosion went off sending thick plumes of black smoke into the air. Fortuna was under attack.

Kyrie, Credo and their parents ran through the streets avoiding the demons as much as possible. As they ran they saw many things people praying to Sparda, others running away, and the most horrific was the dozens of those that got caught by the demons. Soon the Order showed up the knights were able to start driving back the demons, until suddenly they started falling down or flying across the battle field with large gashes. The scary part was they flew off suddenly but when they hit the ground they shattered as though they were made from ice.

With the knights being taken out in a quick fashion the demons were easily able to overtake the dwindling numbers. That's when it happened a house collapsed their parents pushing Credo and Kyrie out of the way as they become pined by the rubble unable to move to run. Credo picked up a fallen knight's
Caliburn and started fighting off the approaching lesser demons. Kyrie tried her best to dig their parents out but it was no good. Credo was top of his class, but he was still nowhere close to the skill needed to slay these abominations.

"Leave! Run make it to safety!" Pleaded their parents as more demons approached. "You need to go now!"

"But we can't leave you!" Cried out Kyrie as tears flowed from her eyes. The tears fell because of sadness and pain as her hands her beat up from trying to save her parents. The auburn haired girl was soon picked up by Credo as he was preparing to run off. "What are you doing? We can't leave them!"

"We have no choice! They want us to live so it's the least we can do for their dying wish!" Credo also had tears flowing from his eyes. He took didn't wanna leave them but what choice did they have. The demons were coming in fast and they had to leave now.

"MAMMAAAA!! PAAPAAAAA!!" The cry tore from Kyrie's throat as the demons surrounded her mom and dad, raising their sword arms to strike. Time seemed to slow down for Kyrie as she was being carried away over Credo's shoulder as the demons rose their blades to strike. But before they could hit there was a loud mechanical roar that tore through the air as flames seemed to tear through the demons cleaving a few clean in half while others were sent flying. In the middle of the small flaming tornado there stood Nero with an odd looking sword that was similar at the Caliburns and Durandals but it was different. Nero also had a glove on his right hand.

The sword was almost a foot and a half taller than Nero but he swung it around using it's own weight to gain momentum. Nero then stabs it into the ground, it being just right before he was elevated by the rubble and he revs the handle.

VVRRRRRRRRROOM VEEERRRRRRRR

The blade roared out as flames exited the exhaust as the younger Tribrid charged up the Exceed on the sword. Then Nero launched himself spinning into the demons, as he attacked he released the charged up giving him a boost as he used the momentum to enter a fast striking combo once more using the weight of the sword plus his strength to strike down enemies.

Credo was shocked. Before that man came Nero could barely stand up to himself and now look at him, he was swinging around a sword that looked bigger that him with ease. Just who was that man, and who was Nero.

"Woohoo!!" Shouts out Y/n interrupting Credo's thoughts. Credo looked beside himself to see the man claiming to be Nero's father and his own parents safe, although also confused. Kyrie got free from Credo and locked their parents into a hug. "As much as I love a heart warming session I suggest you guys continue running this is still just getting started." Y/n said preparing Renegade as the family gathered their wits.

"Thank you I don't know what would happen happened if.... If we..." The father began, but he was cut off.

"Its the least I could do you helped Vermila and Nero so it's a small thank you. Now go! It's gonna get messy. Quicksilver!" Y/n shouts as he seemingly disappeared before reappearing and threw a demon in a cloak covered in frost to the ground.

Taking the que the family quickly left, Credo looking back to see Y/n unleashing a barrage of stabs at the reaper before turning and running to catch up. "Oi Nero you take care of those small fry I got this bad boy!" Y/n twisted his blade deeper into the demon.

"You got it dad!" Nero went back to tearing through the demons while peppering them with bullets. Y/n at hearing that one word was filled with pride and motivation to prove he was a awesome dad. Y/n got back to work parrying the giant scythe and countering with his own attacks. As they fought it appeared as though they would randomly pop up in their clash but in reality they were both freezing time. Y/n using Quicksilver was able to stop time and fight the giant demon and stop it from attacking anyone else, the Cryo Reaper didn't like that.

"How?! How can mere mortal enter my flow of time?!?! It's impossible!!" Shouts the Demon as Y/n was holding Renegade against it's blade to stop it's swing. The target of this one was his son and he simply couldn't have that.

"Well I'm not 100% sure" the Devil hunter tilted his sword so the scythe would hit the ground and he ran up it. "But I do know, I 100% got SMOKIN'!" he pulled the release lever on Renegade powering it up then he tore through the demons right arm. "SEXY!" He activates Darkslayer and Doppelganger. "STYLE!" As both Y/n's started dashing around slashing at his open spots and dodging his slower hits. Both jumped back before unleashing rapid Executioner Slashes. As the giant demon fell Y/n deactivated his Doppelganger as time returned to normal and pulled out Helios.

"H-HOW!? THIS SHOULDN'T BE POSSIBLE!" shouts the distressed demon. " WAIT YOU SAID THAT'S YOUR KID THAT MEANS YOUR-!!"

Before it could continue the loud crack of Helios rang out as a bullet buried itself in between the demons eyes. A icy cold glare was at the demon before it quickly gave way to his usual smile.

"Fooww that was something," Y/n said as he looks at the dissolving body as it left behind a stone like object that was glowing silver mixed with a light blue. "Oh what the hell." He said grabbing it causing the devil soul to transform into a Devil arm.

The scythe blade reached above his head. He gave it a spin to test the weight, gradually picking up speed before he leaped into the air towards Nero who was starting to breathe heavily. As he air hiked he started spinning, as the ground got closer the demons that got caught by the blade were thrown into the air with large gashes.

"Nero duck!" Nero immediately ducked as Y/n swung the scythe in a wide arc holding on at the very end. The most surprising thing was when the shaft broke apart turning into a kusari-gama. Using it's chain to spin it around taking out more demons. Y/n pulled it back returning it to it's scythe form. "Nero go make sure Kyrie, Credo, and their parents are safe I'll take care of these small fry."

"You got it!" Nero said as he ran off firing bullets at stragglers but slashing at the ones that got too close. Looking back he saw the demons crowd Y/n, Nero was about to run back until he heard Y/n shout.

"Royalguard!" After he said this a bunch of demons went flying most bursting from the hit sending their crystalizing blood everywhere. Nero saw he was fine and continued running. "Now it's the to really let loose!" Y/n said as he got into a rhythm of movement. Guarding against attacks with Royalguard, when the demons got too close he used Agni and Ruda with Renegade, and when there was a whole bunch he'd use Cryoreaper to do sweeping attacks. Once he air hiked high into the air before realizing he only had Helios.

"Crap! I really gotta get the kid his own gun." He said before taking aim and firing at the stragglers before he shot down like a shooting star causing an explosion with Agni. As soon as he landed the Devil hunter quickly used Ruda to create a tornado before flipping onto his hands to free Agni to complete the Firestorm combo. As he finished there wasn't much left of the demons except the red crystal's. "Now to get the kid." He walked off pulling Cryoreaper on his back before sending it to his small pocket space, a neat trick Vermila taught him.

With Nero he and Credo worked together to take out the demons that approached them. Although Nero was doing most of the killing, but he was still young and didn't have unlimited stamina so he would trade off to use Selene to quickly fire at the demons. He wasn't a crack shot but he was still good enough to take a few out with the revolver. Soon the sound of a second gun joined the first as Y/n showed up using Helios to help clear out the demons.

"You ok?" Asked Y/n as he jogs towards them.

"Yeah I'm good." Nero said as Y/n ruffled his hair with a beaming smile.

"Well that's good, what about you guys?"

"A bit shaken but overall good." Responded Kyrie's mom.

"Nothing that can't heal" Credo's dad responded.

"Alright." Said Y/n. The Devil hunter looks at his son before saying something. "Nero we gotta go."

"Go? Go where, why?" Responded Nero. "Why so sudden too!?"

"Remember what I said a few weeks ago on the roof top? It's not safe for them, but don't worry we'll be back when your stronger don't worry."

"But-"

"Nero you have to go," Kyrie said shocking Nero. "Don't worry about us, you need to go with your family. Besides it seems he can keep you safe better than we ever could."

"I can't just-" Nero started before Credo cut him off.

"After a event like this everyone will be gunning for you so it's best for you to leave."

Nero had a look of sadness, the only family he'd known was telling him to go with his dad who'd he'd just connected with. Suddenly Nero was wrapped in a hug from Kyrie and to his surprise even Credo.

"It's not goodbye. It's a see you later." Kyrie said with light tears streaming down her face.

"When we meet again I will be stronger and we will spare." Credo said. "I can't have you being my better."

Y/n knew they had to get going, but he let the kids have this moment. Because he who was once in shoes like Nero but he'd never let what happened to him happen to them. So instead of rushing it he simply let them have their moment, after all they wouldn't see each other for a long time.

-time skip brought to you by Nero struggling to sheath his sword-

"So when can I get a gun?"

"Later,"

"How later?"

"Your birthday."

"What but I just had one that's like a whole year away!"

Nero and Y/n were seen walking with Fortuna far behind them.

"So where are we going?"

"A back watered hole in the wall in the rundown part of Redgrave city."

"Why would we go there?"

"You'll see." Y/n looks at the sword on Nero's back. "So what's the name?"

"Name of what?"

"The sword." Y/n said as though it was the most obvious. His son proceeded to glare at him. "A weapon is never complete without a name." Y/n continued. "Now name you weapon my child!" He spoke in a overly dramatic voice.

Nero thought about it as they walked. They soon found a group of miscellaneous demons someone lizard like others were more like scarecrows some even look like insects. Y/n drew his sword as did Nero. Nero holding it with two hands using one to rev it. Nero looked at the cherry red glow from the blade and the intricate gold details. Then an idea.

"I got it."

"What?"

"I'll dub thy blade Red Queen!" Nero pulled the release lever as he dug the blade into a nearby demon as the blade let out a a loud roar.

A/n: alright that's another chapter. What did you think hope you liked it. Anyhow see you later Cíao.