Under the dark night sky, the K-5 hopped across the city rooftops with loud cheering. It has been a month since they defeated the Kraang on their outstanding victory.
"We are awesome, baby!" Camilla smiled at her siblings.
"You got that right!" Ariana agreed with a grin.
"Totally!" Ezra grinned.
"Yes we are!" Talia laughed.
"What about mother? Wish we could've seen her take out Lady Shade." Kirana said with a grin.
"So are we gonna stop by Casey's?" Ariana asked. "He's having pizzas at his apartment for us to celebrate on our victory."
"Alright." Ezra said.
"Let's go." Kirana said quickly.
Few minutes later, the K-5 arrived at Casey's apartment. Ariana tapped on the window very carefully and Casey opened up the windows.
"Hey, guys!" Casey greeted. "Dad left to his night shift and my sister's already asleep. So, I can have some pizzas with you guys."
"Thanks, Casey." Talia smiled, stepping in the window with her sisters. "Lady Shade and those little squishy alien brain freaks are long gone."
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At the Shadow Clan HQ, Kuro came into the main room and stood behind the Kraang projector. Lady Shade sat down on her throne chair. The Kraang projector set up a projected screen and a full screen image of Kraang appeared in front of them.
"Greetings, one who is called Lady Shade." Kraang greeted.
"Do you have my shipment?" Lady Shade demanded silently.
"The shipment that is secret will soon be transported to the one called Lady Shade." Kraang replied.
"And what about the complications you have to deal with?" Lady Shade questioned.
"Kraang complicates the complication with greater complications." Kraang informed.
Lady Shade and Kuro watched as the full screen showed a foot of some kind of ape before the screen ended.
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Meanwhile, the four mages locked in a game of dodgeball inside the fortress living room. But the ball is actually a white communication orb that Ariana took from the Kraang facility. Speaking of Ariana, she was too busy testing out some of mechanical parts for her future inventions until she saw the orb hit on Phantom's head, causing the marionette robot to glare at Kirana, Camilla, Talia, and Ezra in annoyance as she and Ariana marched out of the lab with irritated looks on their faces.
"Stop throwing the orb!" Ariana shouted, walking out of the lab with the orb in her hand. "This is a rare and fragile piece of alien tech! It's not a toy to play with!"
"You need to calm down." Camilla said.
"Yeah, all that science stuff has really got into your skull." Talia agreed.
"My children, I know you are still joyously reveling in the defeat of our enemies. But a great question remains." Sage said as she entered the living room from the dojo. "Are our enemies truly defeated? Lady Shade is a crafty and patient foe who bides her time."
"Mother, there's nothing to worry about. Lady Shade had already lost her sense of honor." Kirana pointed out. "We'd never see her again."
"Yeah, and if she shows up, we'll be ready." Camilla agreed cockily.
Kirana, Camilla, Ariana, Talia, and Ezra went to leave the fortress, but the exit was blocked by a white energy shield. They all turned to their mother as she wasn't gonna accept her children's responses at all.
"You five have become cocky and overconfident. You will continue your training." Sage bellowed. "Starting now!"
The K-5 groaned, but obeyed their mother's orders as they stood their feet at attention and bowed with respect when their mother left the room into the dojo.
"Maybe mother's right." Ezra said. "We are getting too cocky."
"No, we're not." Camilla protested. "It's not cockiness when you got the skills like..."
Camilla's words were interrupted when the communication orb suddenly began to beep loudly in alert.
"That thing's working again?" Talia questioned in disbelief. "It's been silent for weeks."
"It must have received an incoming signal that can mean only one thing." Kirana said in a low voice. "The Kraang are back."
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
At Ariana's lab; Casey, Norbit, and the mages gathered round as Ariana was researching the message on her computer.
"What'cha got, Ariana?" Casey asked.
"The encryption was tough to crack, but it seems like the Kraang are transporting some kind of cargo." Ariana explained, typing in her laptop and a picture of the stealth drone popped up on the screen.
"We've gotta find out what that cargo is." Kirana said.
"But how do we track a ship that turns completely invisible?" Ezra pointed out.
"We can track it with this." Ariana said proudly as she showed her siblings, Norbit, and Casey several metallic circular discs attached to each building on the laptop screen. "It's aligned to the radar dishes we placed throughout the city. It will detect the Kraang spaceship." Her face turned to Casey. "Casey, can you and Norbit stake out a rooftop and feed us the Kraang ship's coordinates?"
"Sure." Casey grinned. "Casey Jones is on the case!"
"Wait." Ezra said. "I have to give Norbit something."
Ezra used his magic to give Norbit an armored suit to put on.
"This suit will help you do combat, Norbit." Ezra explained. "I designed it myself."
"I will do my best to use the suit for my combat skills." Norbit said.
Casey took out his hockey stick and left with Norbit out of the lab.
"The bigger question is, how do we stop that ship, Ariana?" Ezra asked.
"We'll need something fast to catch it." Camilla added.
Ariana let out a proud smile as she led her siblings into the garage to show them on her greatest invention.
"Ladies and gentleman, I give you the...Extreme Copter!" Ariana announced.
Ariana pressed on the button attached to the wall and the light revealed the coolest and amazing futuristic invention that made Kirana, Camilla, Talia, and Ezra's jaw dropped down to the floor. The rocket was a black futuristic helicopter designed to hit speeds and equipped with two advanced plasma cannons.
"Amazing." Talia smiled. "Are we really gonna fly in that thing? Awesome!"
"Casey, are you and Norbit in position?" Kirana asked through her K-Phone.
"We're ready when you are." Casey replied through his cell phone. He immediately tracked down a high radiation from the discs attached near him and looked up to spot the sudden Kraang stealth ship passing overhead. "The Kraang is at my watch. Better get here quick."
"We're on our way." Kirana said from the K-Phone.
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Meanwhile, the K-5 got inside the Extreme Copter and Ariana powered up the helicopter. The Extreme Copter blasted off through the fortress garage exit at high speed and out into the city through the open air. Ariana pressed a button for autopilot on the helicopter and found the Kraang stealth ship flying right below them. The mages quickly launch themselves out of the helicopter and landed themselves onto the invisible ship just in time to stop the Kraang from their evil scheme.
"Boo-ya!" Ariana grinned.
The K-5 entered inside the ship and faced the three Kraang droids piloted the ship.
"It is the ones who call themselves the K-5." One of the Kraang droid said.
"Kraang, we must alert Kraang!" Another Kraang droid cried.
"Wow! Three little floating blobs of brains against four awesome kunoichis and one cool ninja?" Camilla smirked. "This should be easy."
"We could take these guys in our sleep." Kirana snickered.
In quick seconds, the K-5 combined their elemental powers to deliver a powerful colorful energy blast at the Kraang droids, destroying all of the three alien robots all at once. Before the mages started to become cocky again about their first victory, they heard two female voices and one male voice echoing around the ship.
"Actually, I'm your real opponent for tonight." A female voice spoke sinisterly. "And this is gonna be fun."
The K-5 turned around behind them with their elemental powers blazing on their palms. Then, two teenage mage kunoichis and one alien had emerged out from the shadows and revealed themselves in the ship. Kirana, Camilla, Ariana, Talia, and Ezra's eyes widened in shock. The mage leader has black hair which had been tied up in a bun with bangs falling on either side of her face and blue eyes. She wore a metallic silver full-body armor with silver wrist guards on her arms beneath her black midriff-baring crop top with a black mini skirt and black thigh-high boots. Another mage has long black hair styled into two horn-like bangs at the top of her head fastened with dark grey ribbons and blue eyes. She wore a metallic silver full-body armor with silver wrist guards on her arms beneath her black midriff-baring crop top with a black mini skirt and black thigh-high boots. The alien had green skin with dark green patterns on his back, black eyes, a dark green nose, and dark green claws. He wore a blue jumpsuit with grey blasters attached on his belt.
"Hello, girls. I'm Amora." A mage kunoichi leader grinned evilly with a strict feminine voice.
"Pleasure. I'm Leia." The second mage kunoichi greeted dryly with a dull feminine voice and an extremely bored look on her face.
"Nice to meet you. I'm Kale." The alien smiled sweetly with a cheerful voice.
"And we are the Shadow Sirens." Amora, Leia, and Kale declared in unison. "The pupils of Lady Shade."
"Aw, this can't be good!" Talia exclaimed to her siblings.
"Since when Lady Shade had pupils?" Ezra questioned in shock.
"So, you're the kunoichis and ninja that master was talking about." Kale smiled. "I'm so glad that we were able to meet you officially."
"Kale, we're here to battle them. Not getting to know them better." Leia groaned.
"Leia's right." Amora grinned. "Let's get this party started!"
"Okay, I guess we're a little cocky!" Ariana admitted to her siblings.
The Shadow Sirens charged forward to the K-5. Kirana's hands began to glow watery blue and jumped in the air to shoot out a large ball of water energy at Amora, who swiftly dodged the attack and delivered a rapid series of kicks at such speed that she stirred up harmful dark energy currents at Kirana, sending the blue mage kunoichi crashing to the ground. Camilla launched in the air and unleashed a sudden barrage of flames in high and low directions at Leia, who quickly avoid the attack and delivered a series of dark energy ripple-like waves at the spot where Camilla was standing, sending the red mage kunoichi crashing towards Kirana. Ezra sprang high in the air to blast five lightning bolts at Kale, who swiftly dodged them and used his taser gun at Ezra, sending the teal mage ninja crashing to Kirana and Camilla. Talia cartwheeled towards Kale and delivered a series of four high-damage powerful wind somersaults to the dark mage kunoichi, who leaped out of the way and released six dark green bombs to explode at Talia, sending her flying towards her downed siblings. Ariana ran forward to release one-legged driving earth kick with deadly force multiple times at the Shadow Sirens, who rapidly bolted away from the incoming attack and unleashed a combined series of rapid punches to Ariana, sending her slammed into her downed siblings.
When the K-5 smashed together to the wall, the small cabinet opened up to reveal the shipment of canisters holding a glowing green chemical substance.
"Is that what I think it is?" Kirana asked with a groan.
"It's the mutagen!" Ezra exclaimed.
"And I think that's for us to figure out why and for the Kraang to know." Talia remarked in fright.
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Outside, Casey was watching the now visible Kraang ship flying out of control in the air above him.
"Come on, guys." Casey muttered. "Take it down."
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Back to the Kraang stealth ship, the K-5 were having difficulties against the Shadow Sirens. The dark mage kunoichis and alien are much stronger and faster than the four heroines and hero combined. Kale kicked Talia with his fists, sending the orange mage kunoichi crashing onto the keyboard as her back accidentally pressed a button from behind. Then, a door started to open from the wall that caused the ship going side by side for the six mage girls, one mage boy, and one alien boy to keep their balance. Ariana quickly turned around and immediately realized that all of the mutagen containers are falling out of the cabinet.
"The containers!" Ariana shouted.
"Get them!" Kirana shouted quickly.
Kirana, Camilla, Ariana, Talia, and Ezra quickly ran to catch the containers one by one. But it was too late! All of the containers fell out of the Kraang stealth ship.
"NO!" The K-5 screamed in horror.
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Outside, Casey and Norbit watched all of the mutagen containers falling across the city in terror like falling stars. Casey then saw one of the containers falling toward him.
"Uh no!" Casey said to himself.
Norbit quickly grabbed him and they hid themselves in the rooftop doorway to take cover.
"This is not good!" Casey said.
"This is more than not good." Norbit remarked. "This is not great."
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Meanwhile, the K-5 and the Shadow Sirens continued their fight back in the ship. They paid no attention to the Kraang stealth ship flying out of control in the air.
"They're all...gone!" Ezra said in disbelief.
"I can't believe those containers are out to the city." Camilla yelled in frustration.
"And there's gonna be even more mutants out in the city if they come contact to the mutagen!" Ariana added with a shout.
"Guys, fall out!" Kirana shouted.
The K-5 spun around to notice that the Shadow Sirens are blocking their path to escape the ship as three Kraang droids are trying to fix the ship from spiraling out of control.
"Sorry for breaking out a fight, but we have to let you heroes finish this job." Amora smirked.
The Shadow Sirens jumped out of the crazy flying Kraang ship and landed on the rooftop of the building near the ocean. They closely watched the K-5 escape the ship before it crashed down to the ground in the ocean water.
"We totally blew it." Leia said expressionlessly.
"Luckily, my guns or my outfit weren't ruined." Kale wailed.
"Give me a break, you two!" Amora chided. "We have bigger problems right now! Master is not gonna to forgive us for this. Let's jet."
Leia and Kale nodded their heads as the Shadow Sirens hopped onto each rooftop to head back to the Shadow HQ.
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
The K-5 landed on the rooftop that Casey and Norbit was standing on as they caught their breaths for a moment. Then, Casey and Norbit ran out of the rooftop doorway and helped out their five mage friends.
"What happened back there?" Casey asked. "And what's with the canisters falling from the sky?"
"Those canisters are mutagen." Ariana replied. "The Kraang were shipping them in their ship, but I don't know where exactly."
"What can be worse than this?" Camilla complained frustratingly.
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Meanwhile, the Shadow Sirens walked into the main room and approached their master and Kuro as they bowed down to their presence.
"So, where's my shipment of the mutagen sample?" Lady Shade asked threateningly.
"Unfortunately, the K-5 destroyed the Kraang ship." Amora reported.
"And the containers have spread over the city." Leia added calmly.
"Obviously, those mages will find the containers around the city." Kale concluded.
"The Kraang are useless." Lady Shade said. "It's time for me to create my own mage mutant army and I know just the person who's right for the job."
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Back in the Crete Fortress, the K-5, Norbit, and Casey sat on the couch in silence after Kirana explained Sage about their mission in the living room.
"This is all very bad news." Sage said. "Very bad, indeed."
"I still can't believe this is happening." Ariana said.
"More mutants for Casey Jones to smack on." Casey said, cracking his knuckles loud and hard.
"Of course." Ezra chuckled slightly.
"Do not dwell on the past." Sage said firmly. "You must find every last canister of mutagen. You must search every street, every park and playground, every building and rooftop before we have even more mutants on our hands."
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In the city alleyway, a bat flew down towards a broken glass container with mutagen spilling out. The bat stared at the liquid mass and took a sip of the mutagen curiously. The liquid slowly affected the bat once its eyes suddenly turned into vicious white.