He certainly didn't mean for a fine lady to hear him speak out loud so harshly, and especially one who radiates as much power to his mana senses as Alexstrasza does. That particular sense isn't dimmed any, and it takes him a moment to remember that he should probably answer her.

"...A little, yes," he replies. "I seem to be...affected by having been brought here. Some abilities I've come to depend on over the course of the years are now lost to me." There's no other explanation but that his Cruxis Crystal has been disabled or sealed somehow. He can only hope that it hasn't been catastrophically destabilized, or he may well become a threat to himself and others.