Movie taint that I want to see in DH

[kempermentor]

I would love to see moral questioning of his use of Crucio: either
self-reflective or my McG... or even Bella or LV!  That would be
awesome!  Having them encourage that behavior... Delicious, delicious.
 I'd settle for anything that has Harry abashed or remorseful.

Slytherin students sneaking back in to battle for Hogwarts (even
awesomer--I know it's not a word, but it should be--would be a student
fighting a parent. Malfoy v Malfoy?) 

I was never a fan of movie taint, but now... it has so much potential!

What movie taint would others like to see?

Kemper