A Powerful Runaway (HTTYD fanfiction)

Astrid was experimented on when she was a little girl and has been given unique powers unlike anyone has ever seen. But when she escaped, her partner was killed in the process and vengeance burns in her heart for the ones who wronged her life. Fifteen years later, Astrid is teased and made fun of for being different in the land of Berk. So she runs away and comes across a group of people that are runaways like herself. What happens when her past comes back to haunt her?Will she fall in love again? Will she be able to save the ones that she loves the most? (Inspired by lorde-hofferson book The Runaways and powers inspired by the move Avengers: Age of Ultron).