"Merlin was hunted by the disciples of Morgana for many years after he vanquished her... " Grindelwald said looking out of the window to no one in particular "they found the brassard and wanted to restore her with the blood sacrifice of merlin... fortunately for him Morgana’s head disciple of many years had foreseen the insanity of the witch and fled with it... While he held on to many of her principles, Salazar Slytherin was far more tame than his master..." Grindelwald looked at Lucius again