'There does seem to be a limit akin to the Hounds one, namely if you don't do anything to attract their attention in the first place, they don't seem to know to look. Which was why Rao was strongly pushing Penny *not* to look in the recording- it was too 'close' to where he knew they'd watch.'

Kind of scary to realize that this thing spent millennia waiting for the Dynasty to reappear on its radar.