This story may have a lot of time jumps, both back and forth, as it goes along. Starting point/earliest point will be during one of 'Vadam(The Arbiter)'s earliest missions against human colonies, before he became a Ship Master.

Thel 'Vadamee couldn't be bothered with the sounds of war around him or the bodies of his allies, some he would have even considered brothers, falling before him. He had been given explicit orders to slaughter the village, and so he would. Remaining calm, despite the carnage behind him, he entered the stone jungle the humans called home. The barriers on their buildings were thin and fragile, though 'Vadamee knew better than to waste his weapon's power on such a meager thing. He waited for the inevitable footsteps to run towards him.

"You aren't taking this planet you Covenant BASTARD!" the human soldier yelled in one of their ridiculous languages, though which one, 'Vadamee didn't know as he was wearing a translator.

'Vadamee raised his weapon and blew the human's head off with a single shot. He then put his weapon away and approached the decapitated body as it dropped to it's knees before falling backwards. He picked up the human's weapon and inspected it. Once he found what he was sure was the trigger, he squeezed his finger into the small space and fired at the fragile barrier. The first five shots went straight through it, but the sixth completely shattered it. He put the primitive weapon on a holster usually reserved for a larger weapon on his back, figuring it may be useful to his mission, and pulled out his rifle as he entered the building. The interior was something akin to a large dining hall with a short wall lined with human drinks in the back.

'Vadamee could hear the human's cowering behind the wall and wasted no time disposing of them. He threw one of the grenades given to him by one of his superiors over the wall and exited the way he had come as the wall, and the humans, blew apart in a cloud of blue smoke. He repeated the process, sometimes using human grenades, sometimes using his rifle, in every building in the settlement.

The last building he arrived at was small, likely a personal dwelling. He smashed the door down with his body weight and fired at the two humans. 'Vadamee chose to explore the dwelling, in case there were any human soldiers hiding like their had been in the past few buildings he demolished. As he approached the tiny human staircase, he heard a noise. It was small, yet very loud. He rose up the steps to investigate, breaking a few of them under his weight. and let the sound guide him. He pushed open a door and saw the unmistakable and universal shape of a cradle. In his few missions, 'Vadamee had never once seen a human infant, so his curiosity, for once, outweighed his code of honor towards his orders. He looked into the cradle at the child and at once, the noise ceased.

The child, like most humans 'Vadamee encountered, only had fur on it's head. The color of it's eyes reminded 'Vadamee of the sunset back on Sanghelios. It was difficult to tell whether it was male or female due to it being wrapped up in a blanket. It's pudgy arms sat on top of it's wrapping as it stared at him with innocent bewilderment.

'Vadamee shook his head and put his mind back on the mission. He brought his rifle up and pointed it at the child's face. The child showed no fear, it actually seemed to enjoy what was happening. It's lips curved upwards as it reached up and held the other end of the rifle with both hands. It opened it's mouth and let out a soft, yet loud noise. A laugh. It thought he was playing with it. His mandibles clicked as he noticed his finger trembling on the trigger. He cursed himself and pulled his rifle away. He looked out the opening in the wall and saw that it was sundown. His superior would be coming to retrieve him from the mission. He began to leave and looked back at the cradle. An idea struck.

'If I cannot kill this child,' He thought, picking it up out of the cradle, 'perhaps the Prophets will allow me to turn it into a weapon to use against the humans?'

'Vadamee met his superior in the middle of the human settlement. He instinctively held the child close to keep it from being blown away by the drop ship.

"Well done," The crimson armored Sangheili praised, then noticed the bundle in his arms, "but you seem to have missed one."

"I have a plan for this one," 'Vadamee explained, "But if the prophets do not accept it, then at least I will have brought us a living human specimen to study."

"An excellent prize either way," His superior nodded, gesturing for him to take his place with the survivors of the battle.

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"Do you understand the insanity of this plan?" The High Prophet of Mercy asked after hearing Thel 'Vadamee's plan, "What if the child sides with it's birth race? We would be facing a battle from within!"

"I understand that," 'Vadamee spoke, looking at the Prophet he spoke to, but keeping his eyes on the High Prophet of Truth, "But if it were raised as though it were on of our own..."

"One of our own!?" The High Prophet of Regret cut him off, "You would have the child linked with all in the Covenant?"

"No your Honor, only the Sangheili."

"No," Truth said in a tone so calm, everything in the room, both living and non, seemed to go silent, "I will grant you the right to train this child. But you must do so yourself. If it turns against us, it will be a stain on your honor alone and you alone shall receive punishment. We will not let you drag your people down with you. This discussion is over. You may go."

'Vadamee simply nodded and left. He made his way to one of the medical stations, where the child was being studied. He entered the bay and noticed an Unggoy soldier holding his wrist as though it had been severed.

"But it touched me!" It said in the panicked voice 'Vadamee had grown accustomed to hearing from them, "Are you sure nothing bad will happen?"

"Yes," A Kig-Yar medic pushed him away, "now stay out of my way, I have real emergencies to take care of."

'Vadamee made his way to the back of the room and noticed a Sangheili in black armor, a specialist, waiting for him. The child itself sat on an operating table, to busy trying to chew on what was probably the Unggoy soldier's hand guard, though it had no teeth, to pay attention to what was happening around it. It had a wrap tied tightly around it's waist and between it's legs.

"What are you here for?" 'Vadamee asked the specialist.

"To identify the human for you," The specialist explained, "It is an area of expertise very few choose to study. After all, who would want to learn about the diversity of the race they are trying to kill?"

"And what have you discovered?"

"It's female, which is probably the most important detail. It belongs to a human sub-species known as the 'Japanese', which in itself is a sub-species of the 'Asian' human group."

"Why do human's separate themselves based on how they look?" 'Vadamee asked.

"Likely for the same reason we are classed based on species." the specialist said before turning to leave, "Good luck with your human. The gods know you'll need it."

"Wait," 'Vadamee stopped him, "What of a name? She must be given a name that will be accepted on Sanghelios, but is not Sangheili in nature. Are there any names in her birth tongue that might allow that?"

"For her house of birth, we can just call her Ningen, which is one of the many words in her language that roughly translates to human. As for a personal name, something short and easy to remember would be preferred. The only name in her tongue that would fit anywhere is Aika."

"Does that translate to anything?"

"Not that I know of." the specialist walked away.

'Vadamee turned back to look at the child, who just seemed to notice his presence. She reached her arms out to him in the hopes that he would pick her up.

"Aika Ningen," 'Vadamee said silently, "I will ensure that you become the Covenant's greatest weapon against the humans."

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Seventeen Years Later

Aika Ningen, now Aika Ningenee with her acceptance into the Covenant, donned her new crimson armor. It had taken her only a year to accomplish what her Sangheili brothers normally took a decade of battle to do. She had become a Field Master. She had fought under her teacher while she was a mere soldier, and now she was being given command of her own battalion. Her only problem with her new position was that she wasn't placed on Thel 'Vadamee's ship. She thought it would be spectacular to be a Field Master assigned to missions by the Ship Master who trained her, but she was instead assigned to a more experienced Ship Master and could only watch as 'Vadamee ordered his troops to load a Phantom that would be flown to his ship, which waited just outside of Covenant High Command. 'Vadamee saw her watching and waved for one of the Field Masters in his crew to take over the load. He walked over to her.

"The armor suits you," 'Vadamee commented.

"Not as much as yours suits you," Aika said back, looking out the hanger at the waiting ships, "So, you will be aiding the Truth and Reconciliation in the fight against the human world Reach?"

"No," the black armored specialist, Zuka 'Zumamee, said as he passed to board his own crew's Phantom.

"The Prophets gave me new mission at the last minute," 'Vadamee explained, "We will be scouting the ringworld."

"Halo?" Aika gasped, "Are you nervous?"

"Only if the heretics who spoke against this mission are correct."

"Heretics?"

"There are some who believe that the ringworlds are not Holy Relics left to us by the Gods, but doomsday weapons meant to destroy us. They also believe that Halo hides a great danger, and that the best course of action is to destroy it."

"And you hope to discover the truth, don't you?" Aika asked, receiving a nod in response.

Aika then did something rarely seen in the Covenant, mostly because it is something best done in private. She embraced the Ship Master and held him tight.

"Good luck," She whispered to him, "Father."

She then let go and left to join her own troops on the wait for a mission. 'Vadamee watched her leave before turning to board a Phantom.

Please let me know if you want me to continue. If I do, I will likely jump straight to Halo 2 with cuts to Aika's training.