What other way was there to ensure their longevity other than creating Horcruxes for them? Lucio was out of the absolutely out of the question. The thought sickened her deeply—she knew she’d never be able to bring herself to do it, to sink them all to her level just for some peace of mind. First of all, she still didn’t know how it was done, and then there was the fact that there was no chance she’d be able to pull off the process three times without Draco noticing.