Karla shrugged, her relative strength a bit difficult to describe where no one really understood the individual Jewel ranks. "Our Jewels--" she tapped on her Sapphire again, its weight a familiar presence around her neck "--hold a reservoir of power that our bodies cannot contain. There are thirteen different Jewels that one might wear and that Jewel is an indicator of the strength of your Craft and the power at your disposal. The darker the Jewel rank, the more powerful." She took a bite of pizza, chewing and swallowing it completely before adding, "I wear the fifth-darkest Jewel, the Sapphire. In a few years, I will make the Offering and come away with an even darker Jewel, representing my mature strength."