While Henry and Miss Ravenscroft work on the elixir, Lepus does his part in keeping watch, but also looks out for anyone with inky marks around their eyes, lest they have been spying on them from the secret room.
When the young master is restored to his proper state, Lepus is loathe to speak up first, knowing how little regard the hotheaded young fellow has for people of his ilk.
Instead he casually eyes the man's unusual walking stick. Now that it is the correct length, perhaps he can make out some of the markings?