Question on having a lich soul cage on another plane

I'm playing a character with the lich dedication and in ways to protect my soul cage, I have worked with my DM to get a memory palace, and I also have the archfiend mythic destiny and plan on getting the seat of power feat, my DM has already said that I would be able to store my soul cage in the memory palace and eventually my seat of power, I'm just curious, when I die and get my body reformed, would I leave my palace/seat of power in the same spot I died, or is there something else I'm not considering?