Someone who has mastered manipulating others through creativity and art, and then consecutively emotionally scarring them by means of killing their favorite characters, developing tragic backstories, ending character-character relationships, etc.
"Whoa man have you been crying?"
"He... he sunk my OTP
... what do I... how do I...?"
"It's okay; let it out, buddy"
"Damn you, Hussie... damn you..."