Complex sentence: Rosamund asks her Earth Elementals to fix up the abbey in preparation, and when they arrive the abbey has been transformed into a comfortable fortress, and the Elementals mysteriously claim that payment had already been made for the work done.
Split into simpler sentences: Rosamund asks her Earth Elementals to fix up the abbey in preparation, and when they arrive the abbey has been transformed into a comfortable fortress. The Elementals mysteriously claim that payment had already been made for the work done.