Pausing for a moment, Sango did her best to think to herself. It had to do something with how the jewel was reformed, she supposed.<br/><br/>To be honest, Inuyasha didn't know what rule could have changed either, so he had just stayed silent when the time came for Shippo's question. He honestly simply didn't really even know what to say to her.<br/><br/>Then, however, she put forward the idea.<br/><br/>Naturally, Inuyasha looked toward her, thinking over the concept. The door between the two different eras had never been sealed, and that had allowed Naraku to get through.<br/><br/>He silently wondered if there were some way to make a key that would allow them to pass, but no one else. Nevertheless, he didn't say anything about this just yet.