Chapter 61:

Two minor (and easily fixable) plot holes:

1) Harry never got around to tell McGonagall that the Hat called her an impudent youngster etc., and it's an interesting enough exchange that one doesn't expect it to have happened off-screen. More importantly, he freely told the story to random Ravenclaw pesterers just minutes after his Sorting, so it wasn't at all a safe security question since it's the kind of funny anecdote two-thirds of Hogwarts would know by now.

2) Lesath addressed Harry as his (Dark/Light) Lord, and didn't stick around to hear Harry "compare" himself to God while talking to Neville; nor does it seem likely that he would have learnt it indirectly at a later point.