There has been a darkness in the Evans family for centuries, rekindled with wizarding blood the Evans curse returns stronger than ever in one Hadrian Potter. Guided by his aunt and the darkness inside Harry's story changes in his favor, the rest of the wizarding world might not be so favored though. Dark!Harry, Dark!Petunia

A baby Harry struck full on by the killing curse does not die but instead changes. Mistaken for a wild thestral Harry joins the Hogwarts herd and soon forgets life as a two legger in favour of his life as Hey the thestral. A shade arriving in the woods shakes up life in the herd as Hey aims to become the new familiar to the largest source of free food around. This is his story.