What are we supposed to do with that big circular thing in the basemant of hrodulfs house?

Stare at it in longing and frustration, evidently.

Well that's frustrating it has no purpose?

Show it the power of your penghis Talos, obviously.

But ya, so far, it doesn't seem to do a single thing.

so frustrating a possible ground breaking dwemer discovery and nothing to do with it altho the blood stained note did read not much self left....oh god maybe the dwemer created the reapers!