Complex sentence: Bobby accompanies Patrick Mac to Third Earth where they find Saint Dane in one of his many Conclaves of Ravinia strewn across the territories which are lustrous parks for the elite and famous that are walled off from the rest of the wasting world.
Split into simpler sentences: Bobby accompanies Patrick Mac to Third Earth, where they find Saint Dane in one of his many Conclaves of Ravinia, which exist in each territory. They are lustrous parks for the elite and famous, and are walled off from the rest of the wasting world.