Here is some of the work and explorations that went into the Screwies Hive that you can catch a gimps of in the Book of the Dead Teaser. More about this is yet to be revealed in the final, so I'll leave you with the pictures and won't do too much explaining.
To find out more about the ideas that went behind some of those designs,
check the full blog post here -
https://blogs.unity3d.com/2018/06/01/book-of-the-dead-concept-art/
Book of the Dead - Unity Interactive Demo - Realtime Teaser