Night fury - The Red Death Rises

"You can't do this!" "Oh yes I can, Night Fury. You're very mistaken." Night fury looked up, eyes cold and lifeless. "Why don't you just get it over with then?" "I want you to feel pain!" Night Fury's captor starred right back, never looking away. "I want you to suffer..."
!Superhero, genderbender AU! Fem!Hiccup, male!Astrid, human!Toothless