Harry Potter and the cursed child:
When Draco accused Harry of keeping Albus and Scorpius apart, Harry-
A used the Pensieve to show Amos Diggory's hidden memory to Draco
B threatened to have Draco arrested for possessing a Time-Turner
C revealed Sibyll Trelawney's prophecy concerning Scorpius
D told Draco that Bane had sensed darkness around Albus