This is a One Piece fanfiction all of this to come will be a spoiler. This takes place at Marineford, during the events of Ace and Whitebeard's deaths. With Blackbeard and his new crew members defeating Whitebeard and taking his devil fruit powers. Also with Jimbei taking Luffy's shocked unconscious body away before the magma-man, Akainu, tries killing Luffy again. This fanfiction is about my oc that changes the outcome of the war. My oc and this fanfiction takes place in the center of these events. I do not own One Piece in any way, though if I did many things would be different. The following intro in the quotes below are directly from the anime, it was used in the beginning as a recap. And for those of you darlings that love to be precise it's the episode in Season 8. Episode 486:"The Show Begins! Blackbeard's Plot Is Revealed!"

Now onward to the story!

"Separated from the rest of the Straw Hats, Luffy made it to Marineford to rescue his brother Ace, who was to be executed! However, Ace protected Luffy from Akainu's attack and lost his life in the process! And then Blackbeard turned up and brought further turmoil!"

Sachi collapsed to her knees as she witnessed the deaths of many. Allied pirates, navy soldiers, Whitebeard crew members, Little Oars Jr., Ace, and now the old man himself! Tears have been blurring her vision since Oars was fallen! All she could think as she recalled all those who died in front of her was 'Why!... Why!... Why!... Why!.. Why! Why! Why! Why! Why! Why!' All she saw was the old man's body standing tall with his mark on his back, unscathed. Sachi began to scream loud enough for the heavens to hear her voice!

"AAAhhhaaaaaaaaaaaaaaaaaaaaaaaaa! AAAAhhhhaaaaaaaaaaaaaaaaaa! Whitebeeeeeaaaarrrdddddddddd! AAAAAAAccccccccceeeeeee! LLLLuuuuuuuufffffyyyyyy! AAAAhhhhaaaaaaaaaaaaa! AAAAAhhhhhaaaaaaaaaaaaaaaa! AAAAhhhhhaaaaaaaaaaaaaaaaaa!"

Sachi's continued yelling at the top of her lungs, she didn't stop to take a breathe as she vowed,

"BLACKBEARD I WILL KILL YOU FOR WHAT YOU HAVE DONE!"

As Sachi loses her last bit of self-control, she only sees red, she was overwhelmed with bloodlust! Overwhelmed for the blood of one person! Blackbeard! As Sachi filled with this new need for vengeance and death, a light begins to engulf her. Light just as bright as Admiral Kizaru's, but this light seemed tainted and unholy, in a way.

While engulfed in this light, Sachi felt surges of power flow into her. As this power continued to flow into her, Sachi's physical appearance was altering.

Sachi's usually long velvet blue hair began transforming from the roots to the tips a flowing blood red hue. Her usually outfit, composing of short-shorts with tights and a long sleeve off the shoulder purple baggy shirt, was disintegrated and replaced with a strapless black dress decorated with red and white ribbons. Her breast, stomach and waist hugged perfectly, making it an exact fit for her curves. The edges of the dress looked tattered and ripped on purpose. The edges started from the right leg's mid-thigh and flowed down across her left foot. Sachi's shoulder blades were restructured, without pain, to make room for white wings with red outlining to appear from within her. The only thing unchanging was her ruby eyes.

The light that engulfed her dispersed, revealing Sachi's full transformation to everyone around her. Sachi only took 2 moments of curiosity to look at herself before the rage and need for Blackbeard's blood returned to her. Sachi knew the reason she transformed and how, all she needed to say is 'Thank you, ancestors'. Sachi doesn't know how long her energy could last in this form, so she wasn't going to waste her time, she will defeat Blackbeard no matter what! Sachi flexed where her shoulder blades used to be, causing the wings to flap a gust of wind around her.

Sachi flexed the white wings as wide as she could before flexing them down with strength. Causing her to be darted up to the clouds at an remarkable speed, bursting a hole in the cloud-only sky.

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Blackbeard began the use of his newly stolen powers of the Tremor-Tremor fruit, the devil fruit once belonging to the one and only Whitebeard. Blackbeard planned to sink Marineford and to start he brings the fort of justice, the navy's citadel, to crumbling ruble. Suddenly a blur of red, white, and black shots through the sky above him. When the dust from the ruble cleared, Blackbeard notices a redhead with wings of an angel. Grinning like a fool, Blackbeard ~ thinking this is a devil fruit~ decided on testing if he could hold three devil fruits. He make up his mind on killing the redhead and take her powers.

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Sachi found herself flapping her wings 10 feet above Blackbeard, facing him. Her eyes piercing at him with rage as they stared each other down, amusement in Blackbeard's.