Prisella learned a lot from Lucifer. That is when the queen wasn't literally making mess for Prisella to clean.
"You're different." Lucifer explained, "So she doesn't like you."
"You never adress your mom as mom." Prisella pointed out, "Why is that?"
"Because that thing is the demon queen. No mother of mine. She cares more about her ruling Odious than anything else."
"What makes you say that?"
"Years ago, before I was born, she ripped her soul in two. She took out any kindness and empathy she had and turned it into a girl who will be alive centuries, even a thousand years from now."
Prisella was shocked. She never expected things to be