undead night fury?

Intro your a undead night fury(can be any gender) and once your alive now you realize you weren't the same on your past lives cause you are now a bone night fury and you can't die anymore and you you still have your scales but its also a bone now. and your scales also can be used for making any potions. and the bones can't break. story:hiccup and his night fury, toothless were walking around the forest of berk and both of them was completely shocked to see a undead night fury. and hiccup decided to call you a "bone fury"