They both became shocked at the revelation of a founder’s family relic being used for such a sinister use. Added onto the fact that I had been quite sure that he wouldn’t use the locket. Finding out that the diadem was, the chances of the others were highly likely. Godric’s was probably the only one not used since the sword was made of Goblin steel and just absorbed anything it cut through. Not only that, the Basilisk Venom that it absorbed would kill the soul fragment.