Daughter of Hiccup and Astrid Haddock

Brooke Rose Haddock, along side her little sister Luna; is the daughter of this fierce couple like her father Hiccup she train a dragon that is last of its species and like her Mother she has fighting spirit and is willing to protect her family; Until someone Cold comes to Berk showing her other Islands, but also bringing danger to Berk, can she defeat this danger or will he win?