I was contacted again by 2c Gaming, who I worked with in 2017 to produce Archensheen.
This time we visit Nexus, the city of Legends, which sits at the convergence of a collection of universes, or dimensions.
So it's sort of a hodge-podge of periods and technology.
The kickstarter - https://www.kickstarter.com/projects/2cgaming/epic-legacy-campaign-codex-5th-edition-beyond-20th-level/description