The empty house

Clues?

  Okay there will be language warnings from now on cause I know there's bad language in the next chapters. 

"Jonathan! Where did you go! I know you can hear me! You can't leave the house!" Diana cried. 

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 Jonathan appeared in the room where Onyx had tied up Shade. Before he could do anything Onyx grabbed his elbow with one hand and put a knife to his throat with the other. She then lead him into a corner.   He then chuckled and swung his head back, kicking her square in the chest. His shinny formal shoes were hard and heavy. He then once again formed a gun out of thin air and aimed it at her head, smirking.Onyx smirked. Just as he shot the bullet, she disappeared. Onyx reappeared behind him and shot him with a sleeping dart. It landed on his arm and he passed out.

  Alice cried as her brother made contact with the ground. She scowled at the abomination that hurt her brother. But since she was invisible, they didn't see her. Onyx sensed another presence in the room, but paid it no mind as she tied up Jonathan and left the room. Alice came visible to Jonathan only and swept her hand across his forehead. He was sweating and had a temperature. He always got sick when he was dosed up on drugs or medicine. Even when they would normally make someone feel better. While she did that, Onyx had came back. Seeing Shade trying to escape she telaported towards her and grabbed her. Shade was the only one she needed. Jonathan started sweating, his fever going out of the roof. Alice looked over at the other girl and Onyx, scowling.  

 Shade struggled "Once I find out who you are, I will kick your ass.." She muttered and used her tail to slip through the ropes, managing to halfway untie herself.

Onyx put her knife to Shade's throat. "I wouldn't think about that," she smirked magically summoning more ropes to tie her back to the chair.

  "And why's that?" Shade asked curiously. 

  "What do you want from me?" Shade glared. 

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  Jack just sat a little dimly in a chair, staring at the motionless, sleeping bodies. 

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 Natile woke with a start. She relieved her hair had gone back to a purpley and she had come back down to her actual age. Her now red eyes scanned the room that she was lying in but came to the conclusion that she was alone.

"Jonathan!" She called out. No response. Her older brother had disappeared as did the others that had inhabited this room prier. She felt atop her head a it seemed as if her red horns had returned. As well as her bat wings and pointed tail. Her outfit was now a black and red dress with tights. By her lay a red pitchfork which Natile picked up.

'Alice left me too, must have been when we fainted. We must of got separated.' She thought. She rose to her feet, a bit dizzy for standing on her own feet again. Using the pitchfork for balance she walked to the door way, stumbling as she got used to her red high heels. Natile felt her neck and it seemed her choker had returned.

 Natile wondered the house until she came to a room where a man was sitting, staring at her. She realized her skirt was hitched so she hurriedly pushed it down, blushing.

  Jack looked at the motionless bodies. "They look kind of dead." He spoke to himself, putting a stray cyan hair back in place.   

 "Dead indeed," Natile spoke with kindness and smiled, still holding the red pitchfork.