How often do the young run headfirst into danger? And how often do they grow up because of it? A story set in the time when Harry's parents were students where the beautiful Full Moon had never looked so frightening.

A Horcrux is the symbol of ultimate evil. It uses the torn soul of a murderer to allow its maker pseudo-immortality. Will Grindelwald who had always toed the line take that final step into darkness? Or will a certain magic keep him from falling into the path of no return?