Rowena Ravenclaw; one of the greatest witches of all time, but she had to go through witch-burning, evil step-mothers and frequent fever to get there. Read all! [not as depressing as sounds]
Semi-phscological. My version of Harry's haunting dreams, where he struggels with his own fate and is losing- badly.
Dumbledore is being held prisioner by Severus, Harry is helpless and confused, until he realises the true reasoning of the Potions Master's actions.