I think a big question here is "what kinds of magic, if any, are available?". Answer might be "none". Partial transfig takes too long, everything else requires motion.
That seems to leave to possibilities:
In other words, no known magic is useful in this situation.
Does that seem reasonable? Does anyone remember a form of magic that doesn't require motion or time?
He learned that he can will his own transfigurations to end wandlessly and without spoken words.
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 113.
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.)
IMPORTANT -- From the end of chapter 113: