He keeps referring to the girls as his toys but he clearly cares about them. I think he is saying more to convince himself than it is to convince his enemies.
Which means when Freya finally gets her memories back things are gonna get messy for both of them.
What did he think was gonna happen after he killed his step parents and raped the girl her loved till she killed her self? He has nothing left to lose. You didn’t hurt him you made home a million times more dangerous.