March 23rd, 1205
With a nod, Clusius answers, "Yes, there are several access points to the caves from within the covenant. Not all of the caves are interconnected, and those that aren't are mostly used for storage. But the main caves can be accessed without going outside. There is a reason for this -- one of the covenant's most valuable vis source is within the main cave."
"There were several side caves that were adequate to set up a sanctum, and work has been started in one of them to set up a laboratory. I had the feeling that you'd want an underground sanctum, to tell the truth."