Somehow I can't see Sprout having Hat-and-Cloak's eloquence, and I doubt you can Imperius someone to be significantly more eloquent than their usual self.
Except through micro-managing their interactions (i.e. Quirrell(*) hiding close to imperiused-Hat-and-Cloak and forcing HaC to use a specific choice of words) – although, in that case, it would be of course be simpler for Quirrell to just play HaC himself.
(*) or whoever is responsible for HaC
New chapter!
This is a new thread to discuss Eliezer Yudkowsky’s Harry Potter and the Methods of Rationality and anything related to it. This thread is intended for discussing chapter 104.
There is a site dedicated to the story at hpmor.com, which is now the place to go to find the authors notes and all sorts of other goodies. AdeleneDawner has kept an archive of Author’s Notes. (This goes up to the notes for chapter 76, and is now not updating. The authors notes from chapter 77 onwards are on hpmor.com.)
Spoiler Warning: this thread is full of spoilers. With few exceptions, spoilers for MOR and canon are fair game to post, without warning or rot13. More specifically: