A Mutant's Ascension

[Forest of Menos, Hueco Mundo]

"These Hollows are supposed to be strong! Fuck this shit!!" Hela almost whined as she ripped apart a Gillian with her bare hands.

"Both of us are way stronger than a normal Shinigami so there's that" Unohana retorted as she bisected a nearby Hollow.

"It would have been a lot better if the two of us had fought each other" Hela spat in disgust.

"You were the one who came to invite me for a massacre" Unohana pointed out and Hela simply groaned.

~FLASHBACK~

Unohana was finishing her paperwork with a gentle smile on her face but the smile widened when a tall woman dressed in a skin-tight green and black suit entered her room through the window.

"It is good to see you Hela… you could always teleport inside my room" Unohana reminded and Hela simply snorted.

In the last few months, the two women had grown quite close. The two of them were almost like real sisters. Even Reo was surprised to see how quickly they formed their sisterly bond.

Hela was the insane elder sister while Unohana was the sometimes gentle and kind and sometimes similarly insane younger sister. Hela would take Unohana with her whenever she was going somewhere for a slaughter.

"I could but it was you who stopped me from butchering that meek girl" Hela pointed out and Unohana nodded her head.

"Yes, Hela. She simply came because I wanted some tea and you shouldn't try to kill everyone" Unohana said in a kind tone and Hela grumbled how 'unfun' the kind Unohana was.

"So, why are you here Hela?" Unohana asked as she resumed her paperwork.

"Hey Unohana, if you aren't too busy I was wondering if we could go and kill a lot of things?" Hela asked Unohana in a tempting tone.

Unohana put down her pen as she stared into Hela's eyes. "You have me interested. So, where are we going?" Unohana said as her whole visage started to flicker.

Hela knew that Unohana would never deny a chance to commit some murders. "That's a secret. You will know when we are there" Hela said with a grin.

"Fine… lead the way" Unohana said as she got up from her seat.

~FLASHBACK ENDS~

And that is how the two of them had found themselves in the middle of the Forest of Menos. After killing everything in their sight for more than an hour, they started to get annoyed.

"It is the fault of your Shinigami books, I read that the strongest Hollows reside inside the Forest of Menos" This time Hela whined and started to pout.

"Once again… neither of us can be compared to a regular Shinigami" Unohana reminded Hela, and once again she groaned.

"Hey!! How about we declare war on Soul Society?? It would be glorious!!" Hela gushed out in an excited tone.

Unohana sheathed her blade and her visage changed back into her gentle persona. It was a pretty ridiculous sight as her whole body was covered in the blood of Hollows. But a moment later Hela waved her hand and all the blood on Unohana's body disappeared.

"I want to agree with you but can we avoid Soul Society?" Unohana asked and Hela tilted her head in confusion.

"You know you might have to fight Soul Society now that you are with my husband?" Hela pointed out and Unohana's kind smile turned into a cruel grin.

"I know… that is why I wanted to keep the best of the last. I want to see how they react when I activate the full power of my Bankai" Unohana answered and Hela nodded her head with a satisfied look on her face.

"But you said that oldie geezer might be stronger than you, right?" Hela asked and Unohana nodded her head in agreement.

"That makes it more fun… Do you have any idea how grand our fight will be?" Unohana spoke with a stupid look on her face.

"I can imagine" Hela said dryly. "Honesty, I simply want to slaughter every single Hollow inside this forest" Hela mused and Unohana simply chuckled.

'Unohana was seen and recognized. Don't kill them' Hela received a short message through her connection with Reo.

Hela released a sigh and decided to answer. 'Ok, husband' Hela replied and she could feel that Reo was smiling at her. He always did that when she called him husband.

"I agree with you on that… So, do you want me to deal with our company?" Unohana questioned and Hela shook her head in denial.

"They have already seen you… we don't want anyone else coming here and recognizing you. I will be sealing the area with my magic. Oh, and Reo told me not to kill them" Hela said as several green magic circles formed on her palms.

Now Unohana understood why Hela had decided to back away, they weren't allowed to kill and Hela loved to kill her opponents in some gruesome way so Hela had simply transferred the burden to her.

Unohana nodded her head, this wasn't going to be fun like she had thought as she wasn't allowed to kill but she will enjoy herself as much as she could.

Hela slammed down her palms on the ground and the whole Space seemed to flicker. Only after a few moments, three figures clad in white clothes finally landed in front of Unohana.

"Let us go, you bitch!! The fuck did you with this place??" the brash-looking woman screamed at Unohana who was smiling kindly at the latest arrivals.

The black-skinned woman smacked the brash-looking woman. "The fuck are you doing, you gorilla!!?" the brash woman questioned while grabbing the back of her head.

"If you haven't noticed then she is a Captain. She is Unohana Retsu, the Captain of the 4th Division of the Gotei 13" the black-skinned woman said, her eyes fixed on the smiling figure in front of them.

"Very Astute, Hollow-San, my name is Unohana Retsu, may I know your names?" Unohana asked in a kind and gentle tone.

"I am Franceska Mila Rose, this rude one is Emilou Apacci and this one…" the dark-skinned woman was about to introduce the third woman but she cut her off.

"I am Cyan Sung-Sun, none of us want to fight you. We aren't looking for a fight… we simply want to leave" the third woman said with a serious look on her face.

"I know that is why my sister sealed the Space… we can't have you leaving" Unohana said with a smile and Hela simply decided to laze back, so she simply disappeared in a wish of greenish-black smoke.

"I know you are working for Aizen and you have reported to him about me… I can't have that" Unohana said and tilted her head kindly. All three of them were scared as they were facing a Captain.

Even if this particular Captain was known for her kindness and gentleness and not for fighting… they were still scared. The whole place was splattered with blood.

It seemed that Unohana hadn't participated in the slaughter because of how clean her clothes were but she had made it clear that the three of them weren't leaving this place. She even knew about Aizen-sama, which wasn't good at all.

Unohana untied her Zanpakutou from her shoulder and took it in her hand. "Now, the three of you have two options, first come with me peacefully" Unohana offered in a kind and gentle tone.

"And second, you come with me after I make the three of you into a bloody mess" Unohana said in a menacing tone as her visage flickered for a second.

The three Hollows shuddered in fear. They were arrogant but they weren't stupid. They had noticed that there was something wrong with this Captain.

According to the information Aizen-sama had provided them, Unohana Retsu was a kind and gentle woman who avoided fighting. Even Aizen-sama had never seen her in active combat.

The reality was something different though… for a moment when her whole visage flickered they felt an insane amount of bloodlust locked onto them. Hollows were beings who acted on instincts and their instincts were screaming at them to run away.

In fact, they were running away… they decided to run away as soon as they recognized Unohana Retsu but the other woman had done something to their surroundings, making them unable to leave.

This was not good. Cyan Sung-Sun looked towards Mila Rose and Apacci. "Apacci you are the fastest one among us… you should leave and inform Harribel-sama about our demise" Sung-Sun said in a low tone.

Apacci immediately frowned and she was about to shout and protest but Mila Rose closed her mouth with her hand. "But we can't leave… whatever they have done is stopping us from leaving" Mila Rose pointed out and Apacci nodded her head.

"Yes, but I don't have any better plans, we try to fight her, we die, it wasn't a mistake, all three of us had sensed her bloodlust" Sung-Sun said and Mila Rose reluctantly nodded her head.

"But I say, we give it our all… if we die then we die. The Space was locked by that other woman and she is gone" Mila Rose said in an unsure tone. Apacci was struggling to break free from Mila Rose's hold but she wasn't successful, yet.

Sung-Sun seemed to contemplate her options and decided that Mila Rose was right. "Together" Sung-Sun said and both Mila Rose and Apacci wordlessly agreed with her.

"Oh… so you have decided to fight, then I hope that three of you can at least entertain me" Unohana said and her whole visage started to transform…