My pet peeve in all literature is when heroes of a book start to behave like idiots just to keep shaky story line intact. As great as J. K. Rowling is, even she managed to do it couple of times. So, these are my fixes.
After the return of Hermione and Harry from Godfric’s Hollow (chapter 17 of HPDH) from Hermione’s POV while Harry was unconscious.
Reply to the chapter 85 of The Missing Moments by Ash-and-Vine.