"Trouble, usually. Most likely making an attempt to sidle up to a Betrayer God or demon in order to usurp the power of one of the Prime Deities, like the Matron of Ravens did."

Did Cass ever mention that specific deity to Erin?

"But, going back to my kids, Maya's at the 'sneaking out of the house to go to parties when I'm not home' phase and Kir is at the 'following his sister to snitch on her activities because he wants to grow up to be like dad' phase."