Eichel nods, agreeing, leaving his tea for now. From time to time his gaze slides over to Heine, or what's visible of him from where they are, but it's a brief check rather than an expression of interest.

"It makes it easier. Enforcing the Imperius Curse on someone who resists can lead to irreversible damage." Despite that, it's almost an offhand mention, like it's the obvious consequence of playing too roughly with an owned object or toy. Eichel leans forward a little. "Are you enjoying it? It's hard to tell with you, sometimes," he says, but he looks amused—joking.