The Circle of Sapphire

Taco, you placed your palms on the cool, smooth surface of the glass where fandrel in one stood and you start to transmute it. And as you do a wave of energy travels across the circle, like ripples on water and the glass starts to change. It feels like it's draining every ounce of magical energy out of you as it goes. But then the ripple slows and it stops spreading and you feel yourself just empty. The transmutation reverts and you're left kneeling in front of the same black circle of glass, which is left unaltered. Should have rolled a 25 with a with a roll that good. You reach into your bag and retrieve the bag