Chaldea's darkest secrets have been kept confidential and even from Roman's knowledge. It's not that Marisbilly hasn't trusted him, he hoped, but probably because he didn't want to ruin their friendship. The demi Servant experiment started years before they met. He won't condone his actions, regardless.

"I thought you might prefer that," he says, nodding. He also doesn't know how he'll adjust. He is neither human anymore nor he is a full Heroic Spirit. Maybe Mashu will be of help to guide him. It occurs to him that he has no idea if he knows how to wield Zhuge Liang's power. Or how is affecting his soul, he realizes in concern. He'll have Leonardo see him immediately if he agrees.

"What about your students? Don't they share your views?"