A detail I remembered was the cameras in Blinky's room that were sound based. My questions are does Thrasher have anything to do with that? And, if yes do the other rooms have remnants of the old LiB in there design?
Yes, the audial cameras are indeed a remnant of Thrasher’s power: the only thing left of his omnipresence.
It’s a running theme amongst the Lord’s Lairs that fragments of the Old Lords and their former glory lie there: consider it a sort of hint towards the fact that, although their bodies are dead, their souls live on, at least for now.
There are hints like these hidden all over the Lords’ Lairs: some easier to find than others. For example, Wiggly’s Lair being fucking Atlantis is supposed to be a callback to the fact that Kindler reigned over several European countries, including Rome, before the incident.