So to summarise a key plot change:

Mundhir is now a skeleton. Though he appears normal; people like ... well, I guess Shorus and Tarwin are the only ones who wont see through his disguise.

He has been freed of the controlling hands that have driven him since the moment he was born, and he is free. 

Though now he has no conscience, feels no pain, and is immune to earthly charms. 

So, anyone not seeing him for what he has become will see just plain old Mundhir, but he'll be acting a little cookey.

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As for the Mad Prince, in case you guys didn't see, his body and soul were separated a thousand years ago by Ebli Khan's fell magic. Therefore, expect the Mad Prince to literally be mad; but also sorrowful and in a constant sense of yearning for something that he cannot put his hand to. He has been waging a war with the men of Eblistan ever since, trying to recapture that which was lost, without knowing what he is really fighting for; an eternal hatred borne by an unfathomable lack of something.

He has been ensnared by the mystery Goddess who is behind most of everything happening.

Interrogating him will reveal much about the way of things; this is where y'all can go crazy with lore. I'm stealing the show with my shroom adventures.