The Side Effects of Time Travel

Too much loss and too much suffering drove a desperate Hermione Granger to make a bid for a different outcome. Albus Dumbledore had once told her that it was dangerous to meddle with time, but Hermione was willing to sacrifice everything--up to and including herself--to change fate and create a better world for those she loved.

Perhaps she ought to have asked Dumbledore to clarify the dangers of meddling with time.