"You will refer to me as 'Emet-Selch', nothing more." He snaps in return at the question. The use of his name in such casual conversation is a familiarity he does not accede with. Although it is curious how they would even know his true name, given he does not recall giving it.

With that detail out of the way, he focuses on the other information given. Despite this heroes...eccentricities of making said observations - the crystal being one such example - they are noted.

"I have seen spells that call fourth the most wonderous crystals, whose purpose is to preserve life beyond life." It's been some time indeed since he witnessed such things.
"Although the differences between that magic and this are striking indeed."