She dropped her blood on the sapphire gem. The blood covered the gem for a moment before it was absorbed into the sapphire. She stepped back, quickly healing her palm with an  Episkey . Gingerly, I opened the cover and tweaked some of the runes that were on the other side of the gem. Now it will allow anyone of her bloodline to use the grimoire. There was a little added bit to ensure that she would have to properly give inheritance, so not just any child could use it. But they would be able to at least hold it.