An alternative ending after the Yule Ball, Draco develops feels for his apparent enemy Hermione so after he see's her glow up at The Ball soon get jealous of Victor Crum but having to be wary nobody finds out because it would ruin him, and go against his family.
Harry stared down at his bleeding hand, the words "I must not tell lies" dripping down his skin in blood-red liquid.
And snapped.
Harry Potter decides he's had enough of the wizarding world throwing him crap. he's going to throw it right back.