My fan theory for Helluva Boss session 3
So...
In The Lesser Key of Solomon, that actual 17thC spellbook Stolas and the other Goeita deamons are based off, some of Prince Vassago's powers are listed as "Finding lost, hidden or missing things and returning them" and "discerning truths, past and future."
So given this, and his clear distress at the court proceedings during Mastermind, i could see him acting as a sleuth or detective, trying to find out what actually happened and perhaps playing a roll in returning Stolas's "lost" daughter Octavia. I could also see this as being quite dangerous for him as it would mean going up against Andreaphus who both clearly hates him and who now holds the rank and powers of both a Marquis and Prince.
So we could see a fair bit of gay bird-on-bird combat and I'm here for that. Just one homoerotic magical fight sequence, that's all I ask for.