For another long moment, Eichel looks at Jade, expression almost stern.

"Do you know what would happen if we let him be?" He still leaves Heine alone, choosing instead to come back to the bed and sit by Jade. "He'd be a hindrance."

They've already committed crimes, including in the eyes of Wizarding law. But beyond that, Eichel knows Heine would do his level best to never come near either of them again, and he would lose the opportunity to learn more about the strange power inside Heine, and he can't have that.