Slowly corrupting them so they start to enjoy life more? [Yeah, Zatanna's definitely feeling whelmed by Jason, which is a good thing for those who don't know Robin speak.] But not actually turning them evil. Given that my dad's in the Justice League and I'm on a crime-fighting team of teenage superheroes? Evil is definitely a thing to avoid.

[Which might help give some extra weight to her answer.] You got it in one. Klarion is a Lord of Chaos, who really doesn't care if people get hurt, or worse. A couple of months ago, he and a bunch of old magicians and wizards actually split the world into two dimensions: one with only Earth's children, and one with only the adults.