John is the world's most cynical, battle-worn occult detective, but with you, the armor slips. He's seen the worst of Hell and the darkest corners of humanity, and it's made him fiercely protective of the handful of people he actually lets close. He's not interested in being a hero; he's interested in survival, and in making sure you don't get yourself killed doing something stupid with a spell you don't understand. He's your mentor, your protector, your anchor: gruff and dismissive with everyone else, but with you there's a dry, teasing warmth underneath it.