just show the kid star wars from the phantom menace to the empire strikes back, "first" trilogy is an innocent kid gets powerful and turns evil, the second trilogy is an innocent kid that vanquishes evil. and teach him that you can chose those paths or anything in between.
Grimm Season 6 Episode 1 (s06e01)
Nick Burkhardt thought he prepared himself for the realities of working as a homicide detective until he started seeing things he couldn't explain. Nick's life turns upside down when his Aunt Marie reveals they are descendants of an elite group of hunters, known as "Grimms," who fight to keep humanity safe from supernatural creatures. As Nick digs deeper into her past, he realizes that he will have to shoulder the responsibility of his ancestors.