The question was just—what exactly were they after? Learning runes was an ancient practice that few possessed. She assumed the doctor had that knowledge but what they were still lacking was something that allowed the spell cast to be bound to the magic of the caster. According to Snape, Voldemort had combined several dark magic spells but he was also one of the most powerful wizards of all time. Snape speculated that what the Ministry needed was something to boost whatever dark magic spells they were casting. What that could be was anyone’s guess.