"Damage? Now, why would you say something like that?" Merlin makes an effort to look surprised by the suggestion, but it's probably pretty obvious he doesn't really take offense.

"Besides, giving a few people some rather... confounding dreams is still an improvement under the circumstances, isn't it?"

You know, those hilariously embarrassing or such dreams. Although part of him--the inhuman part--definitely finds the notion of inciting some nightmares of his own appealing.