Reimian Empire

-- Well... That's understandable, with the tiles and cells. But what's the point of all this? These colors... And since the statue has a white soul, there might be something more significant here than just another passage for mercenaries to the next room.
Lock, do you think the plaques are related to the colors of the souls?
There's a whole bunch of tengu and yokai here, plus the yellow color.)
So, if I were to place the plaques, I'd lean towards the yellow ones. Or mix them all up a bit.