Nyx Diaz is practical a normal young adult, despite the fact that she's an immortal meta-human, but when she saves deathstroke's life and excapes her true home, her world turns upside down. The joker decides he wants all her meta-human powers. Can she is excape him by breaking the multiverse and bringing powerfull allies and changing the world as everyone knows it or will the joker succeed in his mission? disclaimer: i do not own any DC or Marvel characters. Nyx is an OC, she is a 1/2 human 1/2 frost/fire giant who weilds sedyr (Asgardian magic), she was experimented on by HYDRA and lost her right arm at the age of 10, she has a prosthetic that looks identical to the winter soldier's arm, her birth father is Tony Stark, her birth mother is unknown, she has 2 birth siblings Morgan Stark and (unknown male brother from her mother's side) she enjoys being with her friends and family and will do anything thing to protect them. She was thought dead for a long time and (spoiler) she will die later on in the book, after saving the love of her life. This is my first story and I'm not much of a typing kind of person so, sorry if it's not the best