Lysander Scamander and the Visitor from Azkaban

Lysander Scamander is one half of twin brothers, one half of a life-long friendship, one half of a childhood decision that still haunts him to this day. When he is separated from these halves during a fierce battle that causes him to return to Hogwarts, Lysander is faced with a loneliness he has never known. ONESHOT for 'Blood of the Birds,' concurrent with Chapter 42.