Rolled 19, 10 = 29 (2d20)
>>5737122>>5737101>>5736877>>5736716>>5736529>>5736387You decide to deal with Prince Rufos directly. He has seen sense in the past, even before the forced your hand and Irinnile the Succubus reinfected him with her demonic essence. That he is 'free' once more does not mean he is without reason, and there is no more reasonable response for an overfed and overeducated aristocrat, faced with a great and terrible Dragonborn, than submission.
The only problem is getting there. Stealth has never been your strong-suit, but with all the mystical energies of the red Dragon King to feed your <Shadow> spell… Well, you should be able to make do.