I finished The Engineer. books, good

I finished it literally just now too

nice

anyway as the book went on I realized that the Aether is definitely the same thing as the Way from Cradle

It’s much easier to access here than it is on Cradle, then

Fathom is the name of their main planet and "Fathom" gets name-dropped as an Iteration back in Reaper, so I'm assuming that's the Iteration this series is in.

yeah I believe that's confirmed