Lizzie: it's been months since the purple dragons factory exploded and there has been no sign of shredder since then. It's very likely be died in the explosion. I've spent most of my time trying to track him down with little to no success. Leo tells me this is revenge but I don't care. I'm going to do whatever it takes to bring shredder down. So while the turtles April and Casey are busy training Karai and I have our own plans with help from an old friend of ours.

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A new assassin named shinigami arrived at the shredder's old lair

shinigami: Sensei's I bring you the red haired girl's tanto blade

The two people standing there were Karai and Lizzie. They were both wearing helmets that looked like shredders. shinigami gave Karai the tanto

Karai: So Splinter finally made April a Kunoichi? Kind of a shock

Lizzie: I thought she needed a couple more years

shinigami: Yes she seems so frail and clumsy when you first look at her. Like a silly red bird

April jumped down from the ceiling

April: Well this Kunoichi tracked your butts down! What are you doing anyway?

Karai: None of your business! Just go

Lizzie: this doesn't have anything to do with you

The turtles showed up as well

Leo: We'd like to know what's going on here too

Karai: Leo! calm down. We're not your enemies

Raph: So then why did your crazy friend attack us?

Karai: It was only a test to see her skills. Shinigami's an old friend from Japan. She was never going to hurt you

shinigami: At least not permanently

April: I can tell they're telling the truth. They're not after us. They're after-

Donnie: Shredder

Lizzie: he's going to pay for the pain he caused us and so many others

Raph: So what's up with all the headgear? Daddy issues?

Karai: Lizzie and I want to rebuild the Foot. Bring back honor to a clan that Shredder poisoned for almost two decades. And when we finish we'll destroy Oroku Saki and his empire once and for all

Lizzie: nothing is going to stand in our way. Not even the five of you

Leo: Lizzie are you really doing this? What about your mom?

Lizzie: she needs to stay out of this. I can't put her in any more danger

Mikey: but life isn't about revenge. Come back to the lair with us. Master Splinter would love to see both of you

Karai: No. we have to carve out our own destiny

Donnie: Fine we're leaving.

April: First I want my tanto back. Now!

Lizzie: lets make this interesting

Karai: agreed. if you want it back take it from her. I mean shouldn't be hard for a Kunoichi right?

April: Fine by me I wanted a rematch anyway

April and shinigami started fight but shinigami was able to beat April

shinigami: Little red bird

Karai: All right that's enough Shini. Give her the tanto back

shinigami dropped the tanto and April picked it up

Lizzie: sorry April but you need more training

Mikey: Come on this place is lame anyway. We're going to an awesome place. The sewers! Booyakasha

The turtles and April go back to the sewers

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Later that night Karai shinigami and Lizzie snuck into the martial arts store

Lizzie: turn out the lights

Karai turned off the lights and the three of them hid. At that moment tiger claw Rahzar and fishface walked in

Tiger Claw: Foolish child I can still see in the dark!

Rahzar: So can I!

Fishface: I cannot so this is kind of upsetting

Karai: Tell your master we're taking the city back Tiger Claw. Piece by piece

Lizzie: starting with destroying all of you!

shinigami used her chains to tie up fishface

Razhar looked for Lizzie in her hiding spot but she wasn't there anymore

Razhar: Where'd she go?

Lizzie kicked him in the face and Karai kicked him in the chest

Rahzar: Let me finish you both quick. Tiger Claw won't make things so easy for you

Karai: Whatever Bradford! We plan on taking you all down

Lizzie: cats have always been better then dogs

Tiger claw: Karai! Elizabeth!

Karai and Lizzie saw tiger Claw shinigami who was unconscious

Karai: No! Shini!

Lizzie: what did you do?!

Tiger Claw: Surrender. Now

He pointed his sword close to shinigami's face so Karai and Lizzie dropped there weapons

Karai: you win tiger claw

Lizzie used her T-phone to text 'help' to Leo. Then Karai Shinigami and Lizzie were tied up hanging from the ceiling

Fishface: So now that we have them what should we do with them?

Rahzar: I vote eat them. You can never go wrong with eating them

Tigerc Claw: No! We wait for their friends. Elizabeth called the turtles minutes ago

Lizzie: you already knew?!

Tiger Claw: Do you take me for a fool? There is no help for you.

He breaks her T-phone

Karai: Where is Shredder?! Where is that coward hiding?!

Lizzie: after we take you three out he's next!

Fishface: You do not get to make demands girl

Lizzie: oh really?!

She used her claws to cut the rope and freed Karai

Fishface: Ay caramba!

Lizzie punched fishface in the face

Tiger Claw: Clever girl. But cleverness only gets you so far

Tiger claw attacked Karai and Lizzie but they both fought back

Rahzar: Take those brats down Tiger Claw!

Karai and Lizzie tried to punch tiger claw but he slammed them into the ground and grabbed there arms

Tiger Claw: I always thought you were spoiled petulant children. This world will not mourn you when you are gone

He held his sword up to there faces

Lizzie: Don't you dare-!

The turtles and April burst in

Mikey: Tiger Claw!

While tiger claw saw the five of them Karai punched him in the eye letting her and Lizzie go

Karai: always have to wait until the last minute guys?

Lizzie: that was way to close for comfort

Mikey: hey! We just got your text!

Leo: tiger claw I thought you and Shredder left town. You know after we defeated you and all!

Tiger Claw: We will never leave until you and Splinter are put to rest!

Leo: Team take them down!

They all started fight and Mikey frees shinigami who eventually woke up

Tiger Claw: You are beaten. Your shells will hang in our new lair as trophy's

April: I don't think so!

April kicked tiger claw right in the groin

Lizzie: was that the dragons tail?

Mikey: Booyakasha!

Mikey threw a smoke bomb and they all disappeared

Rahzar: I hate it when they do that!

Fishface saw a bunch of bombs on the floor and ceiling

Fishface: Um we are in trouble.

Tiger Claw: Run!

The three of them tried to run but then the shop blew up

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The turtles Lizzie april Karai and shinigami go back to the lair

Karai: April. Shini lizzie and I want to apologize. Sorry about earlier

Lizzie: I'm impressed with how much you've learned

Lizzie and April shook hands

Splinter walked up to them

Splinter: Miwa

Karai: Father

Splinter: Do not take on this burden of fighting the Shredder alone. Ally yourself with your family. Let us help you

Karai: I've grown up Father. I need to rectify all the wrong deeds Shredder has done my own way

Lizzie: she's also not alone. Shini and I are helping her

Splinter: You are both just seeking vengeance. This anger you carry was inherited from Oroku Saki not from me or your mother Elizabeth

Karai: we know. Don't worry Father. I'll make you proud of me. Soon

Splinter: I am already proud of you my daughter. Elizabeth you should speak to your mother. Tell her where you have been

Lizzie: I can't at least not yet

Splinter: because deep down you know your making the wrong decision

Lizzie: even if that's true I've already begun and i can't stop now

Raph: So what now? We know Shredder's still out there

Leo: I have a bad feeling things are about to take a turn for the worse

Lizzie: whatever happens we'll be ready