Elsa continues to practice controlling her powers as makes a duplicate of Vanitas' Keyblade out of ice. She notices the evil looking eye in the design and feels a somewhat unsettling gaze upon her. "Even the fake makes me feel uneasy. I can't imagine how strong that feeling is on the real one. To have that eye on you." Larxene sneaks up on her. "You get used to it. By the way...what did he tell you? Did he share anything with you?" Elsa shrugs. "You mean other than his sarcastic pessimism and passive aggressive insults?" Larxene scoffs and leaves her without a farewell.
Meanwhile, in the world of Monstropolis; Vanitas uses the monster, Randall to operate the scare floor for his Unversed's 'Nightmare Raid' on the children of all the worlds. He already encountered Sora and friends and has avoided getting into direct conflict with him at the command of Xehanort, so he's been using Randall to make runs to the scare floor and collect the screams and sadness of the children. But this time he returns with more than a few canisters.
"Randall...what is that?" Randall pulls out a child from the crook of one arm. "It's Boo. The kid that Sullivan and Wazowski were protecting." Vanitas approaches with a somewhat intimidating aura around him. "I can see that! But why is she HERE?!" Randall tries to explain himself in fear. "Uh...well...we can use her as a hostage or...siphon some screams out of her. You're pretty good at inflicting pain, right? You can- GACK!" Vanitas starts strangling Randall as he drops Boo to the floor and flails around in an attempt to get free.
"You idiot! I can't scare her or inflict pain on her! She might be one of the new Seven Hearts we need! If I corrupt her, than what good is she to us?! She needs to be protected, so PUT HER BACK!" He chucks the purple lizard across the room into a wall as he gasps and wheezes for air. "If I go back now; the CDA will catch me with the kid. Then what?" Vanitas grumbles and growls at him. "Fine. Just go and keep doing your job, moron. I'll...ugh...look after the kid. But if you screw up like this ONE more time...I'll show you what a real monster looks like." Randall turns invisible and quickly scurries off.
After an awkward stare down between him and the girl, he goes to the corner of his dark secluded room and sits in silence. She eventually shuffles her way to him and starts curiously examining his mask until she realizes it's reflective and starts making faces at him like he was a mirror. "...Don't you know better than to provoke a monster?" She continues to mess with his mask by breathing on it and drawing a smiley face with her finger. She climbs all over him as he tries to keep her off until he inevitably reaches his breaking point.
Annoyed by her antics; he shoves her off of his shoulder onto the floor. He realizes too late that he may have been a bit to rough on her as she suddenly starts screaming and crying, causing the entire section of the factory to overload with power and all the lights in the area to go out. Her crying did not stop and Vanitas knew that if he didn't do something, he would be found. "Hey! Shut up! Stop crying! I didn't push you THAT hard." He yells at her as he picked her up and shook her around to get her attention.
He finally gets an idea. He pulls off his mask and plops it over her head. It's clearly too big for her, but she quiets down anyways. He puts her down as she starts aimlessly wandering around and laughing with the mask on her head. "Good. Now play with that and leave me alone." After several minutes of her playing, she gets bored of the mask and takes it off to look at Vanitas only for her gasp and run over to him as she saw his face.
"Hey! I said no! I'm not a jungle gym. What is your obsession with me anyways?" He extends his arm to keep her away as she reaches for him and manages to formulate the only thing that has resembled normal words other than that name she calls Sullivan. "Big Brother!" Her words caught him off guard as she managed to slip through his defenses and hug him; leaving Vanitas to contemplate what she meant. "...W-what? I'm not...Ugh. Why can't you just be scared of me like everyone else?"
After collecting hundreds of thousands of canisters filled with screams, Vanitas began to wonder if this was enough. His question was soon answered by the arrival of another member of the Organization. It was Marluxia. The pink haired man took note of Vanitas and his current company. "...Did I miss something? Why are you holding the Princess candidate like that?" Vanitas quickly rises to his feet and slide Boo across the floor like a hockey puck; though she seems to be enjoying it. "Weeeeee!" Ignoring the child's glee; Marluxia continues to prod Vanitas for an answer. "You were not supposed to take her yet. What were you doing?"
Vanitas came up with an excuse. "Sora and his friends lost her. I didn't want to risk any harm coming to her, so I kept her here where I could keep an eye on her. What are YOU doing here?" He tried to deflect suspicion onto Marluxia; who only scoffed and smiled at Vanitas. "Yes. Well...Xehanort has a new mission for you. Me and Larxene will be accompanying you. Tie up any loose ends here and we'll be on our way." Vanitas raises an eyebrow. "What about the Princess?" They both look over to her playing with the one of the Unversed like a puppy. Marluxia raises an eyebrow at Vanitas. "...When did you grow a heart? Just find a place to hide her until we get back."
Vanitas puts his finger in Marluxia's face. "I don't wanna hear about 'growing hearts' from someone like you." They both let a slight chuckle out as Vanitas snaps his fingers to get Boo's attention. "Boo! Come here." She dashes over to him as he kneels down to her level. "You go with him. Be a good girl." She nods reluctantly as he nudges her over to a smug Marluxia; who picks her up. "What are you? Her father now?" Vanitas doesn't even turn to acknowledge him, but instead gives directions.
"Take her to Arendelle. You know where Elsa's castle of ice is, right? Have Elsa look after her there. If she asks, just tell it's for 'training' from Master Vanitas." He pats Boo's head as he heads out, but Boo reaches out to him. "Big brother!" Marluxia's smile disappears as Vanitas leaves the room before he Marluxia can come up with something to say. He takes a moment to look Boo in the eyes and reminds himself. "Big brother, huh? I wonder..." He stuffed the thought before it had any room to grow and went through the corridor of darkness.
As Vanitas moved through the factory incognito, he made his way to the scare training room where Boo's door was being kept in secret. "Huh. So they rebuilt the door from the scraps." He had already disposed of Randall and sent all the canisters to the desired location for storage. All the Unversed had more or less been removed from the world. He pondered what sort of 'loose ends' could be left to tie up. As he observed the door, thinking of ways to keep them from sending Boo back through her door he realized that there was nothing he do to stop them.
He could lock the door with his Keyblade, but Sora could just undo it with his. He could destroy the door, but they could rebuild it again. Hide it? There's alway the chance that they could find it. But then it hit him. If he couldn't stop them from sending her back home….he would make it so there would be NO REASON for her to go home. He draws his Keyblade as he opens Boo's door to her bedroom and a dark and twisted aura envelopes his body. "...Let's go say hi to MOMMY and DADDY." He enters her room and slams the door shut behind him. From the outside, only faint and distant screams can be heard. "Who are you?! How did you get in here?! Where is our daughter?! AAAHH!" And not a word was uttered ever again.