Ok In all seriousness, I'll have to do my research on these FGO characters, i'm not to familiar with them. So, please forgive this newbie author who's information on the FGO characters is scarce.
You could always help and comment. But since it's a Fanfic, some things will be made up.
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"Just go"
A man lying bleeding as he watched his surroundings which showed destructions, caused by his fight with an army of beings. As he struggles to stand up, only for him to be caught by a beautiful woman who's beauty was still showing even with her injuries.
"Tamamo...."
The beautiful woman holding the man, was a fox spirit, a Kitsune. Her tails weren't wagging, as her fox ears drooped. The air was tense, as she looked at the scene in front of her. She was fighting with the man she loved, the man who didn't care who she was. No one would love a non-human like her.
Multiple Kingdoms decided that she was going to be used as a tool. To get closer to the gods, her beauty was one thing, but the knowledge she possessed, the power she had. Multiple wanted her as a tool.
A massive army of people were surrounding them, the hooves of horses stomping on the ground, thumps could be heard. Echoed all the way towards the two, situation was grim. Where else could they run. The man did everything to keep her safe, to have her experience a beautiful, tranquil life. Only to keep being hunted.
It was more than 20 thousand people marching towards them. Why this many?
[A/N: Imagination]
They really wanted the kitsune woman. She bit her lip, blood dripped from his mouth.
"Don't die on me.....Don't die on us!"
Pleading her heart out was not just Tamamo there was more than 8 more personalities. Eight different Tamamo's each with each of them being unique. Right now it was the original one would say. But that wasn't all, each one of them were crying, they were pleading with him through Tamamo-no-mae.
Tears trickled down her cheek, she didn't care being injured. She hated seeing him in such condition.
"Please, Please! Please! Don't leave us! We'll hate you!"
Even though she said those words, her heart could never hate him, nothing but empty words she spoke. Her husband as well as the husband of the other versions of herself. He was their lover, as the man felt to weak to walk, he was nearing his end. But he wanted to hold the army of.
A hand touched Tamamo's cheek, she felt it go colder, the warmth he once gave off was becoming a blemish. She didn't have any healing magic, she didn't know how to heal. She gritted her teeth, she was holding him in his last seconds of being in this world.
"I'm sorry to all of you...."
Her breath hitched hearing that, she knew he was barely holding on. A mark was spreading across his body, it was a curse that he blocked for her. He killed many soldiers along side Tamamo and the other versions of her. As he mentioned each name belonging to her other self's.
"I'm sorry to all of you for not fighting for much longer"
His life was being drained by the mark, then the wounds are no better.
"Don't apologize! Just stay with us! Husband!"
Every personality spoke in unison, only the man could hear it, as he let a gentle smile touch his lips.
"My lovely wives, my kitsunes, I love you all and I'm happy to have met you all"
In just seconds his eyes closed, those last words of goodbye struck deeply into their hearts. Their very soul's shook, their tears trickled even harder. As she screamed in sadness, Tamamo lover died in her arms.
(Those bastard humans did this!) - ???
(We must kill them sister!) - ???
(They killed our husband, they should perish!) - ???
(I second that) - ???
All the personalities spoke, their hatred for humans skyrocketed to unknown limits. The only human they'll ever love is their husband.
"You're right"
Tamamo spoke she felt regret, sorrow, like the others. They all felt the same, their bonds unbreakable.
"We'll make them pay"
She stopped crying, and if someone was close, they would be able to hear multiple voices speaking through one body.
"All human's will perish"
Her eyes became sharp, her hold on her husband became tight. She looked at him with undying love, Tamamo felt her strength instantly regain back. It was fueled by hatred, rage and the promise of revenge against the humans. The empires that come together just to hunt her and her husband.
She laid him down against a tree, crouching she kissed him one last time. Her lips touched his bloody, and cold lips. The last bit of warmth from his body vanished. His eyes lost their light, as he was confirmed dead. Then his body became particles, she didn't know why. She hated the curse, that made her loved one being taken from her.
"N-No!"
*sniffle*
The air became thick, the area around her was filled with killing intent. Tamamo wiped her tears away as she walked to the battlefield once more.
Each step was filled with purpose. Her eyes filled with the the conviction to carry our her revenge.
(Lets kill them all!)
All of them spoke in unison inside of Tamamo. As she then begun to transform, the burst of unknown energy flowed inside of her. She was not going to let them get away.
"Soldiers! We're close to achieving greater peace! With that fox in hand we'll be unstoppable!"
A commander spoke, as everyone cheered on. Other commanders from other kingdoms spoke too. Wanting to get some sort of reward from this hunt. Maybe have some fox fur to give to his wife.
"ROOOOOAAAAR*
Instantly they felt a chill down their spines, as their ears felt like they were about to erupt. A screeching, defining roar echoed through the battlefield. Making every soldier freeze where they were. A creepy chilling feeling, was going down their spines.
"W-What was that?"
"I don't kn-"
"Look!!"
One soldier pointed out making the others break from their state. A giant fox with nine tails was seen towering over the forest. It's anger noticable, as they felt a sense of dread. Next thing you know a beam of magical power was heading directly at them.
Wiping thousands of troops, as many commanders paled at the scene.
"The monster that we need to hunt is there! Magicians ready your magic! Take this beast down!"
The highest commander in the battlefield spoke with a thundering voice. Thinking they would still be able to subjugate the giant fox monster.
A battle between humans and a angry kitsune who lost her husband broke out.