An absolute prohibition on moves that could escalate to world threatening levels.
Is it? Harry only took the vow moments ago--before that point, actions he was taking could have lead to the end of the world, and those action's consequences may still be in motion. The Vow only forces Harry to inaction if he knows he is at risk of causing the end of the world, as well. World ending may still be on the table.
Mostly I brought it up because people keep suggesting anti-matter. Anti matter could be mistaken for a nuclear weapon, which could escalate to WWIII, so the wow means he can't use it anymore. A pure light pulse wont set off those warning systems. Or at least, not at the level I'm thinking of.
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: