I read a teen dark fantasy book recently that's very edgy, which is probably a good influence for kids. The Silent Gods series by Justin Call captures a feeling of discovering adults are fallible, being lied to and not considered by people who are meant to protect you, and that you can love people and long for acceptance and they'll still reject you for how you were born. there's lot of prophecy and killing and torture too, but that previously mentioned misanthropy feels like what makes it well conceived and meaningfully nihilistic. I feel like it might've gone too far rehabilitating the bully character though.

Maybe Malazan Book of the Fallen is more an example pretentious dark fantasy... I would say If I could keep track of what the hell the narrative in Gardens of the Moon is.