"Those who learn to control their full demon form can partially transform, yes. I wouldn't call it a midway form but I might, say, grow my antlers to be a bit more impressive than usual if I feel it would help me make a point."

Alastor raised a brow.

"Of course, the first step to mastering one's full demon form is to accept that it didn't come from nowhere. One's full demon form is the outward expression of a demon's truest self and all that comes with it. Typically in full demon form, they're a slave to their worst impulses: incredibly dangerous if only for the fact that the idea of consequences for acting on their impulses doesn't even cross their minds."