Hadn't gotten to that story, and there had been someone running around with an Essence from it. Hadn't paid attention to things past what he could garner from quick glances through the journals then. There was a slight hiss, a noise of irritation more than anything else- it passed quickly enough, leaving the witches locked away for the moment.

Shoulders rolled with a little popping of joints, before a hand did gesture back towards the door the witches were scratching against, "They are producing magical ink, and haven't spoken a word," the sounds weren't words, nor the cackling and snarls, "I've got a sinking feeling this is a test of something, and those things we've just caught are Erasers."