Assuming that it's not related to the vision that occurred the other day, I'd just like to note that the Illithi guildleader does not seem to be in the usual place, and was likewise not spotted with a cursory examination of the grounds.
"If I take death into my life, acknowledge it, and face it squarely, I will free myself from the anxiety of death and the pettiness of life - and only then will I be free to become myself." ~ Martin Heidegger