"On that note, I have something for you." Hermione picked up a box and handed it to Luna. Inside a diamond, blue topaz, and sapphire snowflake glistened on a silvery chain. "This is like mine, strong enough to punch through any wards. It will take you to the guest room next to my room at Lestrange Hall. No one can get you there. Just grab it and say "Sanctuary." It is keyed to you and will only bring whatever you are holding, but not someone holding you."