Why does Felix turn on Shannon when Shannon confronts him with the past?

While Felix is trapped in Malkar's spell, he observes a halo of color around each of the other characters. What do these colors reveal about the character's intentions?

The first half of the story is set in Mélusine. What new things are revealed about Mélusine and its people once they leave the city? How does this impact the story?

Why doesn't Felix want to see Mildmay after he has been healed?

What motivates Mildmay to help Felix? Why does he stick by him till the end?

Why would Mildmay and Felix's mother sell them? How does Diokletian know their mother?

Why does Felix willingly go back to Malkar?

How does the Sunling find Felix in his dreams? Does Felix find the Sunling?

How did Mavortian lose the use of...