The stone and coin both fell to the floor and landed next to each other (touching, to be precise), then both objects began to glow together with a fierce intensity. Jon and Mikey felt compelled to turn away, and when they were able to look again, they saw their grandpa floating above the two objects of power. But he was translucent, as if a ghost or a hologram.
"Jon, Mikey. It's so good you're working together. Only because you worked together am I now able to tell you why I gave each of you your respective inheritances."