IDLE SUGGESTION. IF YOU DON'T NEED TO USE IT, ENCASE IT IN CEMENT, DUMP IT IN THE FOUNDATION OF ANY RANDOM BUILDING THAT IS INTENDED TO BE HIGH SECURITY. PREFERABLY NEAR A POINT WHERE LEAD PIPING WILL BE INSTALLED. [This is said completely offhand. The fact that Kagura doesn't need to spend even a second to think of a way to store a magical artifact probably says a lot]