Orbins ultimately left through the Teleportation Array.
As the sole student of the Space-Time Ring, having a private meeting with Anvis during this period was actually quite inappropriate.
Because this could easily be misconstrued as an instruction from the Magic Council Chairman and then be interpreted by the malicious as a secret connection between the Council and the Empire's Four Great Families.
Orbins specifically chose the Magic Light hotel, which is completely controlled by the Magic Council, for the meeting place, presumably also to avoid drawing outside attention.
After obtaining the three-dimensional Array noted in the book, Anvis temporarily ceased all his current tasks and dedicated himself to decrypting the encryption of that Array.
The Array itself utilized classic and traditional High Elf triple encryption, and within the complex, nested three-dimensional structure, there were actually three different types of mixed Array structures.
