Toothless is on a island near berk. the last nightfury in existence, and your father. You just hatched out of your dragon egg. Being the only one of the hatchlings who didn't got killed or catched by dragon hunters

But your different than the other hatchlings. Your completely black, just like your father. Making you and him the last nightfury,s

as he sees that you just hatched. He goes over to you happily but also worried, not wanting for you to end up like the other hatchlings from him